| Name Lateral limits Vertical limits Class of airspace | Unit providing service | Call sign Language Area and conditions of use Hours of service | Frequency/Purpose | Remarks | 
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 
| 
            
              BANGKOK Flight information region
           A point on the Thai border at 100010.2N then along the national border between Thailand and Myanmar/Laos/Cambodia to the coast then to 
            100007.1N
              1021447.6E
           
            070000N
              1030000E
           
            064500N
              1024000E
           
            061500N
              1021500E -
           then westward along the national border between Thailand and Malaysia to 
            063007.9N
              0992948.9E
           
            071507.9N
              0975949.5E
           
            100006.9N
              0962950.1E
           then eastward along 100010.2N to the Thai border. UNL / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | ||
| 
            Width of airways
           
            AIRWAYS within BANGKOK FIR
          The lateral limits of airways commences from 5 NM either side of the centre line at the facility funnelling out on a 5 degrees (VOR) or 7.5 degrees (NDB) tolerance to a maximum width of 10 NM either side of the centre line. Airways within Bangkok Area of Responsibility The width of airways within Bangkok area of responsibility (AOR) is 50 NM CONTROL AREAS ALFA CONTROL AREAThe airspace within a circle of 50 NM  radius centred on 135452.0N1003620.0E. FL 460 / FL 285 Class of airspace:A BELOW FL 285 / ABOVE FL 160 Class of airspace:B VFR Flight in ALFA CONTROL AREA In order to avoid collision between aircraft in Control Area, all VFR aircraft before entering ALFA Control Area, must contact Bangkok Area Control by reporting position. | Bangkok ACC | Bangkok Control (English, Thai) H24 | Excluding VTD16, VTD19 and VTD47 | |
| 
            Bangkok Area Control Centre Sector  Organization  Bangkok Area Control Centre is divided into 12 sectors as follows: 
            
              SECTOR 1N
            
           An area bounded by 
            162305.20N
              0985436.80E -
           then clockwise along Bangkok/Yangon FIR boundary and Bangkok/Vientiane FIR boundary to 
            173356.83N
              1010000.00E
           
            170000.00N
              1004517.30E -
           then along the clockwise arc of 30 NM radius centred on PSL DVOR/DME (164613.34N 1001728.70E) to 
            163201.74N
              1004502.60E
           
            161748.43N
              1004455.31E
           
            162305.20N
              0985436.80E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 124.5 MHZ256.3 MHZ | |
| 
            
              SECTOR 2N 
           An area bounded by 
            161748.43N
              1004455.31E
           
            163201.74N
              1004502.60E -
           then along the clockwise arc of 30 NM radius centred on PSL DVOR/DME (164613.34N 1001728.70E) to 
            170000.00N
              1004517.30E
           
            173356.83N
              1010000.00E -
           then clockwise along Bangkok/Vientiane FIR boundary to 
            175851.00N
              1030000.00E 
           
            160948.00N
              1030000.00E 
           
            161329.40N
              1020259.40E 
           
            161748.43N
              1004455.31E 
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 126.5 MHZ | |
| 
            
              SECTOR 3N
            
           An area bounded by a straight lines joining the following points 
            135506.00N
              1003548.10E
           
            162305.20N
              0985436.80E
           
            161748.43N
              1004455.31E
           
            161329.40N
              1020259.40E
           
            135506.00N
              1003548.10E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 128.1 MHZ 263.8 MHZ | |
| 
            
              SECTOR 4N
            
           An area bounded by 
            133006.00N
              0991248.80E
           then clockwise along Bangkok/Yangon FIR boundary to 
            162305.20N
              0985436.80E
           
            135506.00N
              1003548.10E
           
            133006.00N
              0991248.80E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 120.95 MHZ | |
| 
            
              SECTOR 5N
            
           An area bounded by 
            141302.00N
              1030000.00E
           
            160948.00N
              1030000.00E
           
            175851.00N
              1030000.00E -
           then clockwise along Bangkok/Vientiane FIR boundary and Bangkok/Phnom Penh FIR boundary to 
            141302.00N
              1030000.00E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 132.1 MHZ 268.5 MHZ | |
| 
            
              SECTOR 6N
            
           An area bounded by 
            135506.00N
              1003548.10E
           
            161329.40N
              1020259.40E
           
            160948.00N
              1030000.00E
           
            141302.00N
              1030000.00E
           
            135506.00N
              1003548.10E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 133.1 MHZ 285.3 MHZ | |
| 
            
              SECTOR 1S
            
           An area bounded by 
            114006.50N
              0993448.70E - 
           then clockwise along Bangkok/Yangon FIR boundary to 
            133006.00N
              0991248.80E
           
            135506.00N
              1003548.10E
           
            132006.10N
              1004948.10E
           
            124106.30N
              1004948.10E
           
            122500.00N
              1005105.00E
           
            104130.00N
              1012502.00E
           
            110006.80N
              1005948.10E
           
            112906.60N
              0995948.50E
           
            114006.50N
              0993448.70E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 120.5 MHZ 256.6 MHZ | |
| 
            
              SECTOR 2S
            
           An area bounded by 
            102334.00N
              0984513.60E -
           then clockwise along Bangkok/Yangon FIR boundary to 
            114006.50N
              0993448.70E
           
            112906.60N
              0995948.50E
           
            110006.80N
              1005948.10E
           
            104130.00N
              1012502.00E
           
            100244.00N
              1013740.60E
           
            090239.80N
              1000012.90E
           
            102334.00N
              0984513.60E
           FL460 / FL270 | Bangkok ACC | Bangkok Control (English, Thai) H24 | 118.35 MHZ | |
| 
            
              SECTOR 3S
            
           An area bounded by 
            100006.90N
              0974918.00E
           
            100006.90N
              0983849.20E -
           then clockwise along Bangkok/Yangon FIR boundary to 
            102334.00N
              0984513.60E
           
            090239.80N
              1000012.90E
           
            064716.80N
              1000000.00E
           
            
              080654.83N
            
              0981822.69E (PUT DVOR/DME)
           
            100006.90N
              0974918.00E
           FL460 / GND and an area bounded by 
            102334.00N
              0984513.60E -
           then clockwise along Bangkok/Yangon FIR boundary to 
            114006.50N
              0993448.70E
           
            112906.60N
              0995948.50E
           
            090239.80N
              1000012.90E
           
            102334.00N
              0984513.60E
           up to but not including FL270 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 125.7 MHZ 268.5 MHZ | |
| 
            
              SECTOR 4S
            
           An area bounded by 
            100006.90N
              0962950.10E
           
            100006.90N
              0974918.00E
           
            
              080654.83N
            
              0981822.69E (PUT DVOR/DME)
           
            064716.80N
              1000000.00E
           
            063844.42N
              1001050.18E -
           then clockwise along Bangkok/Kuala Lumpur FIR boundary to 
            063007.90N
              0992948.90E
           
            071507.70N
              0975949.50E
           
            100006.90N
              0962950.10E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 133.9 MHZ | |
| 
            
              SECTOR 5S
            
           An area bounded by 
            100244.00N
              1013740.60E
           
            104130.00N
              1012502.00E
           
            122500.00N
              1005105.00E
           
            124106.30N
              1004948.10E
           
            132006.10N
              1004948.10E
           
            135506.00N
              1003548.10E
           
            141302.00N
              1030000.00E -
           then clockwise along Bangkok/Phnom Penh FIR boundary to 
            113654.00N
              1030000.00E
           
            100000.00N
              1021500.00E
           
            100244.00N
              1013740.60E
           FL460 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 135.5 MHZ 285.5 MHZ | |
| 
            
              SECTOR 6S
            
           An area bounded by 
            063844.42N
              1001050.18E
           
            064716.80N
              1000000.00E
           
            090239.80N
              1000012.90E
           
            100244.00N
              1013740.60E
           
            100000.00N
              1021500.00E
           
            070000.00N
              1030000.00E
           
            064500.00N
              1024000.00E
           
            061500.00N
              1021500.00E -
           then clockwise along Bangkok/Kuala Lumpur FIR boundary to 
            063844.42N
              1001050.18E
           FL460 / GND and an area bounded by 
            112906.60N
              0995948.50E
           
            110006.80N
              1005948.10E
           
            104130.00N
              1012502.00E
           
            100244.00N
              1013740.60E
           
            090239.80N
              1000012.90E
           
            112906.60N
              0995948.50E
           up to but not including FL270 / GND | Bangkok ACC | Bangkok Control (English, Thai) H24 | 123.95 MHZ 265.9 MHZ | |
| BANGKOK TERMINAL CONTROL AREA The airspace within a circle of 50 NM radius centred on VTBD ARP (135452N1003620E). FL 160 / 3000 FT Class of airspace:C Sectorization of air traffic the Bangkok TMA is divided geographically into east, south west and north sectors the details as follow: 
 | Bangkok APP | Bangkok Approach (English, Thai) H24 | 119.1 MHZ 119.25 MHZ 119.4 MHZ 120.3 MHZ 121.1 MHZ 122.35 MHZ 124.35 MHZ 125.2 MHZ 125.8 MHZ 126.3 MHZ 128.95 MHZ 133.0 MHZ 262.5 MHZ 121.5 MHZ/EMERG 243.0 MHZ/EMERG 119.4 MHz / 262.5MHZ 128.95 MHZ / 262.5MHZ 125.2 MHZ / 262.5MHZ 124.35 MHZ / 262.5MHZ 118.4 MHz / 262.5MHZ 122.35 MHZ / 262.5MHZ 119.25 MHZ 133.6 MHZ 133.4 MHZ 126.3 MHZ 133.0 MHZ / 262.5MHZ 118.1 MHZ / 236.6 MHZ 257.6 MHz 259.6 MHz | Excluding Bangkok CTR,Kamphaeng Saen CTR, VTR9 | 
| 
            
              BANGKOK CONTROL ZONE
            
          The airspace within a circle of 35 NM radius centred on VTBD ARP (1135452N1003620E) ALT 11000 FT / GND Class of airspace:C | Bangkok APP | Bangkok Approach (English, Thai) H24 | 119.1 MHZ 119.25 MHZ 119.4 MHZ 120.3 MHZ 121.1 MHZ 122.35 MHZ 124.35 MHZ 125.2 MHZ 125.8 MHZ 126.3 MHZ 128.95 MHZ 133.0 MHZ 262.5 MHZ 121.5 MHZ/EMERG 243.0 MHZ/EMERG 122.35 MHZ 124.35 MHZ 125.2 MHZ 128.95 MHZ 257.6 MHZ 262.5 MHZ 259.6 MHZ | Excluding 
            Bangkok CTR, Kamphaeng Saen CTR,  | 
| 
            BETONG Controlled Airspaces
           | ||||
| 
            A. BETONG CONTROL ZONE
           The airspace enclosed by the following boundary: Starting from a point located at 
            
              055646.66N
            
              1010551.38E
           then along Bangkok FIR/Kuala Lumpur FIR boundary to 
            
              054809.13N
            
              1011837.28E
           and then counter clockwise along 10 NM radius centred on BET DVOR/DME (054707.68N 1010838.65E) to the starting point. up to but not including 4000 FT AGL / GND Class of airspace:D | Hat Yai APP (Hat Yai Sector) | Narathiwat Approach (English, Thai) 2330-1130* | 125.55 MHZ** | *TWR hours of services: 0130-0930 other than this period and holiday 3 HR PN to Hat Yai Approach Control Centre via AFTN VTSSZAZX VTSYZTZX Tel: +667 323 4900 VTSSZTZX Tel: +667 425 1074 VTSCZTZX Tel: +667 356 5077 **RCAG lf unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
| 
            
              BURI RAM CONTROLLED AIRSPACES
            
           
            A. BURI RAM CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on BRMDVOR/DME (151422.43N1031531.59E) UP TO BUT INCLUDING 2000 FT AGL / GND Class of airspace:C | Bangkok APP (Ubon Sector) | Buri Ram Approach* (English, Thai) 2330-1430** | 123.6 MHZ*** | *Approach Control unit shall accordingly maintain close co-ordination with the appropriate military unit for activities that may affect controlled flight within the joint-use airspace **TWR hours of services: MON-FRI 0230-1030 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre (Ubon Sector) via AFTN VTBBZAZX Fax: +662 285 9610 VTBBZAZX Tel: +662 285 9695 VTBBZAZX Tel: +661 440 2915 ***RCAG lf unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
| 
            B. BURI RAM TERMINAL CONTROL AREA
           The airspace enclosed by the following boundaries beginning at a point 
            152840N
              1033030E
           then clockwise along 20 NM arc from BRM DVOR/DME (151422.43N1031531.59E) to 
            151633N
              1033522E
           then clockwise along 25 NM arc radius centred on 145209.4N 1032920.0E to 
            145132N
              1035548E
           
            144953N
              1035055E
           then clockwise along 20 NM arc radius centred on 145209.4N 1032920.0E to 
            143830N
              1031416E
           
            143652N
              1030924E
           then clockwise along 25 NM arc radius centred on 145209.4N 1032920.0E to 
            145620N
              1030434E
           
            145300N
              1024000E
           then counter clockwise along 35 NM arc from KHORAT TACAN (145606.0N1020421.8E) 
            151135N
              1023700E
           
            151224N
              1030024E
           then clockwise along 15 NM arc from BRM DVOR/DME (151422.43N1031531.59E) to 
            152918N
              1031751E
           
            154407N
              1032620E
           then counter clockwise along 30 NM arc from ROT DVOR/DME (160700.59N1034619.45E) then direct to starting point. ALT 11000 FT / 2000 FT AGL Class of airspace:C | Bangkok APP (Ubon Sector) | Buri Ram Approach* (English, Thai) 2330-1430** | 123.6 MHZ*** | |
| 
            
              CHIANG MAI Controlled Airspaces
           | ||||
| 
            a. CHIANG MAI CONTROL ZONE
           Starting from 
            184604.4N
              0984748.7E
           then clockwise along an arc of 10 NM radius from CMA DVOR/DME (184558.06N0985740.38E) to 
            185516.4N
              0985754.6E
           
            191204.3N
              0991048.5E -
           from this point make an arc of 30 NM radius from CMA DVOR/DME clockwise to 
            190640.4N
              0991848.4E
           
            184904.4N
              0990718.5E
           
            184958.4N
              0991754.4E -
           from this point make an arc of 20 NM radius from CMA DVOR/DME clockwise to 
            183216.5N
              0984248.7E
           then direct to the starting point. Excluding airspace extending upward from ground to and including 2 000 FT above mean sea level enclosed by boundaries beginning at 
            184206.71N
              0990436.34E
           
            184159.10N
              0991209.38E
           
            183648.33N
              0991108.95E
           
            183645.32N
              0990441.37E
           then direct to starting point. UP TO BUT NOT INCLUDING 5000 FT AGL / GND Class of airspace:C | Chiang Mai APP | Chiang Mai Approach (English, Thai) H24 | 129.6 MHZ 305.4 MHZ 121.5 MHZ/EMERG 243.0 MHZ/EMERG305.4 MHZ | |
| 
            b. CHIANG MAI TERMINAL CONTROL AREA
           The airspace enclosed by the following boundaries, beginning at 
            185355.53N
              0983239.89E
           then clockwise along an arc of 25 NM radius from CMA DVOR/DME (184558.06N0985740.38E) to 
            184832.29N
              0992353.72E
           
            184804.79N
              0993740.73E -
           from this point make an arc of 38 NM radius from CMA DVOR/DME clockwise to 
            181444.64N
              0983440.27E
           
            184604.43N
              0984748.53E -
           and direct to the starting point ALT 11000 FT / 2000 FT Class of airspace:C | Chiang Mai APP | Chiang Mai/Radar Approach (English, Thai) H24 | 129.6 MHZ 305.4 MHZ 121.5 MHZ/EMERG 243.0 MHZ/EMERG | |
| 
            Chiang Rai Controlled Airspaces
           | ||||
| 
            A. CHIANG RAI CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on CTR DVOR/DME (195653.65N0995300.12E) up to but not including 2000 FT AGL / GND Class of airspace:C B. CHIANG RAI TERMINAL CONTROL AREA The airspace enclosed by the following boundary: starting from a point 194456.49N  1002417.97E 193556.99N  1001551.49E - then clockwise along 30 NM arc radius centred on CTR DVOR/DME (195653.65N 0995300.12E) to 193515.48N  0993052.64E 194810.65N  0994001.50E - then clockwise along 15 NM arc radius centred on CTR DVOR/DME (195653.65N 0995300.12E) to 201155.25N  0995400.00E 202611.39N  0995400.00E - and then along BKK FIR to the starting point. ALT 11000 FT / 2000 FT AGL Class of airspace:C | Bangkok APP (Chiang Rai Sector) | Chiang Rai Approach (English, Thai) 2330-1430 | 
            120.05
             
            MHZ
             257.8 MHZ* 121.5 MHZ/EMERG | VTBBZAZX: Tel:  VTCTZTZX: Tel:  *RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
| 
            Chumphon Controlled Airspaces
           | ||||
| 
            A. CHUMPHON CONTROL ZONE
          A circle of 15 NM radius centred on CPN DVOR/DME (104240.21N0992156.03E) up to but not including 2000 FT AGL / GND Class of airspace:D B. CHUMPHON TERMINAL CONTROL AREA The airspace enclosed by the following boundary: Starting from a point 105612.7N  0994154.7E then clockwise along 25 NM arc radius centred on CPN DVOR/DME (104240.21N0992156.03E) to 101524.9N  0991500.9E 101324.9N  0991500.9E - then clockwise along 30 NM arc radius centred on CPN DVOR/DME (104240.21N0992156.03E) to 101718.9N  0990701.0E 102154.9N  0990842.9E - then clockwise along 30 NM arc radius centred on CPN DVOR/DME (104240.21N0992156.03E) to 110124.7N  0994530.6E then direct to the starting point. Excluding the portion of area protrude in Yangon FIR ALT 2000-7000 FT ALT 7000 FT / 2000 FT AGL Class of airspace:C | Bangkok APP (Samui Sector) | Chumphon Approach (English, Thai) 2330-1430* | 122.6 MHZ** | *TWR hours of services: 3 HR PN in advance to Bangkok Approach Control Centre (Samui Sector) via AFTN VTBBZAZX Fax: +662 285 9610 Refer AIP VTSE AD 2.3 page AD 2-VTSE-1-1 VTBBZAZX Tel: +662 285 9695 VTSEZTZX Tel: +661 833 4111 **RCAG, lf unable to contact Approach Control Centre/Office attempt to Contact tower on appropriate frequency. | 
| 
            Hat Yai Controlled Airspaces
           | ||||
| 
            A. HAT YAI CONTROL ZONE
          A Circle of 15 NM radius cent red on HTY DVOR/DME (065602.75N1002316.47E) up to but not including 3000 FT / GND Class of airspace:C B. HAT YAI TERMINAL CONTROL AREA The airspace enclosed by the following boundaries beginning at 070301.7N  0994912.7E then clockwise along 35 NM arc from HTY DVOR/DME (065602.75N1002316.47E) to 071507.7N  1005248.3E 065601.8N  1005248.3E then clockwise along 25 NM arc from HTY DVOR/DME to 064607.8N  0994630.8E 064655.8N  1004242.4E 063607.9N  1003848.4E 062737.9N  1003830.4E - then follow westward along the Bangkok FIR boundary to 064331.8N  1001148.6E 064507.8N  1000648.6E 070007.81N  1000448.6E then direct to the starting point. ALT 11000FT / 3000 FT Class of airspace:C | Hat Yai APP | Hat Yai / Radar Approach (English, Thai) H24 | 126.7 MHZ301.5 MHZ | Except the airspace overlapped VTD50 ALT 8000 FT / 3000 FT | 
| 
            Hua Hin Controlled Airspaces
           | ||||
| 
            A. HUA HIN CONTROL ZONE
          The airspace within a circle of 10 NM radius centre on HHN DVOR/DME (123804.04N0995704.23E) up to but not including 2000FT / GND Class of airspace:D B. HUA HIN TERMINAL CONTROL AREA The airspace enclosed by the following boundary: beginning at a point 124200N  1001200E from this point make an arc of 15 NM from HHN DVOR/DME (123804.04N0995704.23E) clockwise to 122444N  1000408E 121431N  1000515E - then clockwise along 25 NM from HHN DVOR/DME to 121316N  0995533E  122339N  0995332E - then clockwise along arc 15 NM from HHN DVOR/DME to 124300N  0994310E - then make a straight line north ward 125600N  0994100E - then make an arc of 25 NM from HHN DVOR/DME clockwise to 125000N  1001830E - then southward to the starting point. Excluding VTR3 and VTR8 and G458. ALT 11000FT / 2000FT Class of airspace:D | Hua Hin APP | Hua Hin Approach (English, Thai) 2300-1100 | 126.2 MHZ | RMK / Aircraft inadvertent penetrate R3 (Royal Palace) located at HHN 180R/ 3 NM have become a matter of serious concerned to alleviate the situation. All pilot are urged to anticipate his/her flight path and follow ATC instruction to avoid this area. VTPHZTZX Tel: +668 1572 4878 | 
| 
            
              KAMPHAENG SAEN CONTROL ZONE
            
          The airspace within a circle of 25 NM radius centred on KPS TACAN (channel 98, 140522N0995456E) ALT 6000 FT / GND Class of airspace:C | Kamphaeng Saen APP | Kamphaeng Saen Approach (English, Thai) H24 | 134.1 MHZ 308.6 MHZ | Excluding Bangkok Control Zone | 
| 
            Khon Kaen Controlled Airspaces
           | ||||
| 
            A. KHON KAEN CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on KKN DVOR/DME (162814.73N1024716.07E) up to but not including 2000 FT AGL / GND Class of airspace:C B. KHON KAEN TERMINAL CONTROL AREA The airspace enclosed by the following boundaries: Starting from a point 165549.06N  1025943.25E then clockwise along 30 NM arc radius centred on KKN DVOR/DME (162814.73N1024716.07E) to 162237.63N  1031752.28E 162204.42N  1031924.64E - then counter clockwise along 30 NM arc radius centred on ROT DVOR/DME (160700.59N1034619.45E) to 161241.05N  1031547.42E 161314.24N  1031415.12E - then clockwise along 30 NM arc radius centred on KKN DVOR/DME (162814.73N1024716.07E) to 165529.09N  1023401.97E - then counter clockwise along 30 NM arc radius centred on UDN DVOR/DME (172304.20N1024630.05E) to the starting point ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Khon Kaen Sector) | Khon Kaen Approach (English, Thai) 2330 - 1430 | 123.4 MHZ* | VTBBZAZX Tel: +662 285 9695 VTUKZTZX Tel: +668 9841 5374 *RCAG If unable to contact Khon Kaen Approach attempt to contact tower on appropriate frequency. | 
| 
            
              KHORAT CONTROL ZONE
            
           The airspace enclosed by the following boundaries beginning at a point 
            150735.7N
              1022135.3E
           
            151135.7N
              1023647.2E -
           and clockwise along a 35 NM arc radius centred on KRT TACAN (145606.0N1020421.8E) to 
            145305.8N
              1023947.2E
           
            145105.8N
              1022447.3E -
           and clockwise along 20 NM arc radius centred on KRT TACAN to 
            143605.8N
              1020147.5E
           
            143005.8N
              1014047.6E -
           and clockwise along a 35 NM arc radius centred on KRT TACAN to 
            144705.8N
              1012947.7E
           
            145353.7N
              1014347.6E -
           and clockwise along a 20 NM arc radius centred on KRT TACAN to the starting point. ALT 11000 FT / GND Class of airspace:C | Khorat APP | Khorat Approach (English, Thai) H24 | 134.1 MHZ 236.6 MHZ | All inbound traffic to Khorat CTR shall contact Khorat APP on freq 282.5 or 124.0 MHZ before entering CTR. | 
| 
            Krabi Controlled Airspaces
           | ||||
| 
            A. KRABI CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on KBI VOR/DME (080627.19N0985839.07E) up to but not including 2000 FT / GND Class of airspace:C B. Krabi Terminal Control Area  The airspace enclosed by the following boundaries: Starting from a point 073617.95N  0991303.04E 074956.18N  0984322.54E - then counter clockwise along 30 NM arc radius centred on PUT DVOR/DME (080654.83N0981822.69E) to 082115.49N  0984500.06E - then clockwise along 20 NM arc radius centred on KBI VOR/DME (080627.19N0985839.07E) to 082623.61N  0985605.57E 083636.11N  0985805.68E - then clockwise along 30 NM arc radius centred on KBI VOR/DME (080627.19N0985839.07E) to 083509.81N  0990754.38E 082507.75N  0990607.06E - then clockwise along 20 NM arc radius centred on KBI VOR/DME (080627.19N0985839.07E) to 075717.53N  0991636.23E 075117.86N  0992322.29E - then counter clockwise along 25 NM arc radius centred on TRN DVOR/DME (073032.17N0993733.67E) to the starting point ALT 11000 FT / 2000 FT Class of airspace:C | Phuket APP (Phuket Sector) | Krabi Approach* (English, Thai) H24 | 120.05 MHZ** | *Approach control unit shall accordingly maintain close co-ordination with the appropriate military unit for activities that  **RCAG, If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
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            Lampang Controlled Airspaces
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            A.LAMPANG CONTROL ZONE
          The airspace within a circle of 10 NM radius centre on LPN DVOR/DME (181635.87N0993008.40E) up to but not including 2000 FT / GND Class of airspace:C B. LAMPANG TERMINAL CONTOL AREAThe airspace enclosed by a circle of 25 NM radius centred on LPN DVOR/DME (181635.87N0993008.40E) excluding CHIANG MAI Terminal Control Area and ATS route A464 ALT 11000 FT / 2000 FT Class of airspace:C | Chiang Mai APP (Chiang Mai Sector) | Lampang Approach (English, Thai) 2330 - 1130* | 119.3 MHZ** 121.5 MHZ/EMERG | *TWR hours of services:  via AFTN VTCCZAZX VTCCZTZX Fax: +665 327 7897 VTCCZTZX Fax: +665 327 7776 VTCLZTZX Tel: +661 308 1938 **RCAG If unable to contact Approach Control | 
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            Loei Controlled Airspaces
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            A. LOEI CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on LOY DVOR/DME (172649.38N1014323.12E) up to but not including 2000 FT / GND Class of airspace:C B. LOEI TERMINAL CONTROL AREA The airspace enclosed by the following boundaries: Starting from a point 172903.41N  1012236.19E - and then clockwise along 20 NM arc radius centred on LOY DVOR/DME (172649.38N1014323.12E) to 173039.85N  1020354.41E 172957.00N  1021559.60E - then counter clockwise along 30 NM arc radius centred on UDN DVOR/DME (172304.20N1024630.05E) to 171956.38N  1021520.80E 172039.09N  1020316.26E - then clockwise along 20 NM arc radius centred on LOY DVOR/DME (172649.38N1014323.12E) to 171341.88N  1012734.57E 170942.48N  1011736.03E - then clockwise along 30 NM arc radius centred on LOY DVOR/DME (172649.38N1014323.12E) to 172734.43N  1011201.63E - then direct to the starting point ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Khon Kaen Sector) | Loei Approach* (English Thai) 2330 – 1430** | 122.55 MHZ *** | * Approach control unit shall accordingly maintain close co-ordination with the appropriate military unit for activities that may affect controlled flight within the joint use airspace. ** TWR hours of services: 3 HR PN in advance to Bangkok Approach Control Centre (Khon Kaen Sector) via AFTN VTBBZAZX Fax: 02-2859610 Refer AIP VTUL AD 2.3 page AD 2-VTUL-1-1 VTBBZAZX Tel: +662 287 3181 *** RCAG If unable to contact Loei Approach attempt to contact tower on appropriate frequency. | 
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            Mae Hong Son Controlled Airspaces
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            A. MAE HONG SON CONTROL ZONE
          The airspace within a circle of 10 NM radius on MHS DVOR/DME (191910.73N0975443.50E) up to but not including 2000 FT / GND Class of airspace:D B. MAE HONG SON TERMINAL CONTROL AREAThe airspace enclosed by a circle of 30 NM radius centred on MHS DVOR/DME (191910.73N0975443.50E) ALT 11000 FT / 2000 FT Class of airspace:D | Chiang Mai APP (Chiang Mai Sector) | Mae Hong Son Approach (English, Thai) 2330 - 1130* | 126.2 MHZ** 121.5 MHZ/EMERG | *TWR hours of services:  VTCCZTZX Fax: +665 327 7897 VTCCZTZX Tel: +665 327 7776 VTCCZTZX Tel: +661 988 3273 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Mae Sot Controlled Airspaces
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            A. MAE SOT CONTROL ZONE
           The airspace enclosed by the following boundary: Starting from a point 
            165147.0N
              0983218.9E
           and then clockwise along 10 NM arc radius centred on MST DVOR/DME (164152.13N  
            163205.1N
              0983612.9E
           and then along BKK FIR to the starting point. up to but not including 2000 FT / GND Class of airspace:C 
            B. MAE SOT TERMINAL CONTROL AREA
           The airspace enclosed by the following boundary: Starting from a point 
            170104.9N
              098249.0E
           and then clockwise along 20 NM arc radius centred on MST DVOR/DME (164152.13N  
            170134.9N
              0983118.9E
           
            171152.9N
              0983300.9E
           and then clockwise along 30 NM arc radius centred on MST DVOR/DME (164152.13N  
            170958.9N
              0984348.8E
           
            170005.0N
              0984148.80E
           and then clockwise along 20 NM arc radius centred on MST DVOR/DME (164152.13N  
            165205.0N
              0985048.8E
           
            165305.0N
              0985348.8E
           and then counter clockwise along 20 NM arc radius centred on TK NDB (165358.24N 0991507.91E) to 
            064305.1N
              0985648.7E
           
            164235.1N
              0985348.8E
           and then clockwise along 20 NM arc radius centred on MST DVOR/DME (164152.13N  
            162235.1N
              0983918.9E
           and then along BKK FIR to the starting point. ALT 11000 FT / 2000 FT Class of airspace:C | Chiang Mai APP | Mae Sot Approach* (English, Thai) 2330 - 1130** | 120.65 MHZ*** 121.5 MHZ/EMERG | *Approach control unit shall accordingly maintain close co-ordination  **TWR hours of services: MON-FRI 0030-0830 other than this period and holiday 3 HR PN to Chiang Mai Approach Control Centre via AFTN VTCCZAZX VTCCZTZX Fax: +665 327 7897 Refer AIP VTPM AD 2.3 page AD 2-VTPM-1-1 VTCCZTZX Tel: +665 327 7776 VTPMZTZX Tel: +661 308 1939 ***RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Narathiwat Controlled Airspaces
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            A. NARATHIWAT CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on NTW DVOR/DME (063138.24N1014442.48E) up to but not including 2000 FT AGL / GND Class of airspace:C B. NARATHIWAT TERMINAL CONTROL AREA1. A circle of 25 NM radius centred on NTW DVOR/DME (063138.24N1014442.48E) ALT 11000 FT / 2000 FT 2. The airspace enclosed by the following boundaries: Starting from a point located at 061836.84N  1012314.09E 061402.73N  1010630.29E then along Bangkok FIR/Kuala Lumpur FIR boundary to 055441.43N  1013651.39E 060745.40N  1013655.15E and then clockwise along 25 NM radius centred on NTW DVOR/DME (063138.24N1014442.48E) to the starting point. ALT 11000 FT / 4000 FT Class of airspace:C | Hat Yai APP (Hat Yai Sector) | Narathiwat Approach (English, Thai) 2330 – 1130* | 125.55 MHZ** | *TWR hours of services: 2300-1100 other than this period and holiday 3 HR PN to Hat Yai Approach Control Centre via AFTN VTSSZAZX VTSSZTZX Tel: +667 425 1074 VTSCZTZX Tel: +667 356 5077 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Nan Controlled Airspaces
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            A. NAN CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on NAN DVOR/DME (184832.76N1004657.31E) up to but not including 2000 FT AGL / GND Class of airspace:C B. NAN TERMINAL CONTROL AREA The airspace enclosed by the following boundary : Starting from a point 185713.85N  1011714.96E 182342.02N  1010448.43E then clockwise along 30 NM arc radius centred on NAN DVOR/DME (184832.76N1004657.31E) to 182234.95N  1003056.94E 181854.45N  1002738.69E from this point then counter clockwise along 20 NM arc radius centred on PAE DVOR/DME (180802.78N1000958.35E) to 182552.98N  1001937.46E 182915.55N  1002241.38E from this point clockwise along 30 NM arc radius centred on NAN DVOR/DME (184832.76N1004657.31E) to the starting point. ALT11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Chiang Rai Sector) | Nan Approach (English, Thai) 2330-1430* | 120.65 MHZ** | *TWR hours of services: MON-FRI 0200-1000 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre (Chiang Rai Sector) via AFTN VTBBZAZX Fax 02-2859610 VTBBZTZX Tel: +662 285 9695 VTCNZTZX Tel: +661 928 5014 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Nakhon Phanom Controlled Airspaces
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            A. NAKHON PHANOM CONTROL ZONE
           The airspace enclosed by the following boundary: Starting from a point 
            173305.2N
              1043846.1E
           
            171905.3N
              1044728E
           and then clockwise along 10 NM arc radius centred on NKP DVOR/DME (172317.87N1043818.01E) to the starting point up to but not including 2000 FT AGL / GND Class of airspace:C | Bangkok APP (Khon Kaen Sector) | Sakon Nakhon Approach* (English, Thai) 2330–1430* | 123.35 MHZ*** 284.0 MHZ | *Approach control unit shall accordingly maintain close co-ordination with the appropriate military unit for activities that may affect controlled flight within the joint-use airspace **TWR hours of services: MON-FRI 2330-0730 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre (Khon Kaen Sector) via AFTN VTBBZAZX Fax: +662 285 9610 VTBBZAZX Tel: +662 285 9695 VTUWZTZX Tel: +661 889 4013 ***RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Nakhon Si Thammarat Controlled Airspaces
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            A.NAKHON SI THAMMARAT CONTROL ZONE 
          The airspace within a circle of 10 NM radius centred on NKS DVOR/DME (083229.95N0995648.67E) up to but not including 2000 FT AGL / GND Class of airspace:C B.NAKHON SI THAMMARAT TERMINAL CONTROL AREA The airspace enclosed by the following boundary: Starting from a point 085315.48N  0993440.19E 084641.65N  0994230.63E - then clockwise along 20 NM arc radius centred on NKS DVOR/DME (083229.95N0995648.67E) to 084227.08N  1001421.39E 084227.57N  1002524.11E - then clockwise along 30 NM arc radius centred on NKS DVOR/DME (083229.95N0995648.67E) to 080526.44N  0994327.40E 081513.69N  0994629.07E - then clockwise along 20NM arc radius centred on NKS DVOR/DME (083229.95N0995648.67E) to 083729.54N  0993714.95E 084538.48N  0992840.93E - then counter clockwise along 30 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to the starting point. ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Samui Sector) | Nakhon Si Thammarat Approach* (English, Thai) 2330-1430** | 119.75 MHZPRI*** (PRI)*** 129.6 MHZ / 305.4 MHZ(SEC)*** | *Approach control unit shall accordingly maintain close co-ordination with the **TWR hours of services: 2300-1100 other than this period 3 HR PN to Bangkok Approach Control Centre via AFTN VTBBZAZX Fax: +662 285 9610 VTBBZAZX Tel: +662 285 9695 VTSFZTZX Tel: +661 308 1942 ***RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Pattani Controlled Airspaces
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            A. PATTANI CONTROL ZONE 
          The airspace within a circle of 10 NM radius centred on PT NDB (064718.45N1010852.51E) up to but not including 2000 FT AGL / GND Class of airspace:C B. PATTANI TERMINAL CONTROL AREA The airspace enclosed by the following boundary: Starting from a point 070819.7N  1005000.3E 065431.8N  1013524.0E 062807.9N  1011936.1E 064019.9N  1004018.4E - then direct to a starting point ALT 11000 FT / 2000 FTExcluding Hat Yai TMA, Narathiwat TMA Class of airspace:C | Hat Yai APP (Hat Yai Sector) | Pattani Approach* (English, Thai) 2330–1130* | 125.55 MHZ*** | *Approach control unit shall accordingly maintain close co-ordination with the appropriate military unit for activities that may affect controlled flight within **TWR hours of services: 3 HR PN in advance to Hat Yai Approach Control Centre via AFTN VTSSZAZX VTSSZTZX Fax: +667 425 1070 VTSSZTZX Tel: +667 425 1074 VTSKZTZX Tel: +661 988 3274 ***RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            Phetchabun Controlled Airspaces
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            A. PHETCHABUN  CONTROL ZONE 
          The airspace within a circle of 10 NM radius centred on PCB DVOR/DME (164033.66N1011148.12E) up to but not including 2000 FT AGL / GND Class of airspace:C B. PHETCHABUN TERMINAL CONTROL AREA  The airspace enclosed by the following boundary: 170242.63N  1004957.84E - then clockwise along 30 NM arc radius from PCB DVOR/DME (164033.66N1011148.12E) to 170819.51N  1005837.17E 165959.98N  1010427.29E - from this point clockwise along 20 NM arc radius centred on PCB DVOR/DME (164033.66N1011148.12E) to 170001.30N  1011857.39E 170823.73N  1012443.06E - then clockwise along 20 NM arc radius centred on PCB DVOR/DME (164033.66N1011148.12E) to 170255.62N  1013328.43E 165433.23N  1012742.93E - then clockwise along 20 NM arc radius centred on PCB DVOR/DME (164033.66N1011148.12E) to 161957.83N  1010934.85E 161031.71N  1010601.45E - then clockwise along 30 NM arc radius centred on PCB DVOR/DME (164033.66N1011148.12E) to 161357.78N  1005615.51E 162323.90N  1005948.97E - then clockwise along 20 NM arc radius from PCB DVOR/DME (164033.66N1011148.12E) to 163745.48N  1005031.20E 163801.69N   1004759.02E and counter clockwise along 30 NM arc radius centred on PSL DVOR/DME (164613.34N1001728.70E) to 164800.50N  1004907.60E 164744.29N  1005139.91E - then clockwise along 20 NM arc radius centred on PCB DVOR/DME (164033.66N1011148.12E) to 165423.10N  1005547.78E - then direct to the starting point. ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Chiang Rai Sector) | Phetchabun Approach* (English, Thai) 2330-1430** | 126.7 MHZ*** | *Approach control unit shall accordingly maintain close co-ordination with the appropriate military units for activities that may affect controlled flights within the joint-use airspace **TWR hours of services: MON-FRI 0300-1100 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre via AFTN VTBBZAZX Fax: +662 285 9610 VTBBZAZX Tel: +662 285 9695 VTPBZTZX Tel: +661 620 8068 ***RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
| 
            Phitsanulok Controlled Airspaces
           | ||||
| 
            A. PHITSANULOK CONTROL ZONE 
          The airspace within a circle of 15 NM radius centred on PSL DVOR/DME (164613.34N 1001728.70E) up to but not including 2000 FT AGL / GND Class of airspace:C B. PHITSANULOK TERMINAL CONTROL AREA The airspace enclosed by a circle of 30 NM radius centred on PSL DVOR/DME (164613.34N 1001728.70E) ALT 11000 FT / 2000 FT Class of airspace:C | Phitsanulok APP | Phitsanulok Approach (English, Thai) H24 | 120.7 MHZ / 284.0 MHZ | VTPPZTZX Tel: +661 928 5011 | 
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            Phrae Controlled Airspaces
           
            A. PHRAE CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on PAE DVOR/DME (180802.78N1000958.35E) up to but not including 2000 FT AGL / GND Class of airspace:C B. PHRAE TERMINAL CONTROL AREA  The airspace enclosed by the following boundary: 182634.6N  1000218.1E 183634.6N  0993948.1E - then clockwise along 30 NM arc radius centred on PAE DVOR/DME (180802.78N1000958.35E) to 183804.4N  1001048.0E 182804.6N  1001212.0E - then clockwise along 20 NM arc radius centred on PAE DVOR/DME (180802.78N1000958.35E) to 175704.8N  1002748.0E 174934.8N  1003447.9E - then clockwise along 30 NM arc radius centred on PAE DVOR/DME (180802.78N1000958.35E) to 173804.9N  1000718.1E 174822.8N  1000642.1E - and then clockwise along 20 NM arc radius the centred on PAE DVOR/DME (180802.78N1000958.35E) to the starting point ALT 11000 FT / 2000 FTExcluding LAMPANG TMA Class of airspace:C | Bangkok APP (Chiang Rai Sector) | Phrae Approach (English, Thai) 2330–1430* | 120.1 MHZ** | **TWR hours of services: MON-FRI 0200-1000 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre (Chiang Rai Sector) via AFTN VTBBZAZX Fax: +662 285 9610 VTBBZAZX Tel: +662 285 9695 VTCPZTZX Tel: +661 928 5017 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
| 
            Phuket Controlled Airspaces
           
            A. PHUKET CONTROL ZONE
          A circle of 10 NM centres on PUT DVOR/DME (080654.83N0981822.69E) up to but not including 2000 FT AGL / GND Class of airspace:C B. PHUKET TERMINAL CONTROL AREAThe airspace within a circle of 30 NM radius centres on PUT DVOR/DME (080654.83N0981822.69E) ALT 11000 FT / 2000 FT Class of airspace:C | Phuket APP | Phuket Approach (English, Thai) H24 | 124.7 MHZ 284.0 MHZ | |
| 
            Ranong Controlled Airspaces
           
            A. RANONG CONTROL ZONE 
          The airspace within a circle of 10 NM radius centred on RAN VOR/DME (094643.18N0983502.11E) up to but not including 2000 FT / GND Class of airspace:C B. RANONG TERMINAL CONTROL AREA  The airspace enclosed by the following boundaries: Starting from a point 093117.14N  0985500.96E 092955.95N  0985609.83E - then counter clockwise along 25 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to 092313.08N  0984808.19E 092434.24N  0984659.31E - then clockwise along 25 NM arc radius centred on RAN DVOR/DME (094643.18N0983502.11E) to the starting point. Excluding the portion of area produced in Yangon FIR. ALT 11000 FT / 2000 FT Class of airspace:C | Phuket APP (Phuket Sector) | Ranong Approach (English, Thai) 2330 – 1130* | 125.1 MHZ** | *TWR hours of services: 2330-1130, 0130-0930 other this period and holiday 3 HR PN to Phuket Approach Control Centre via AFTN VTSPZAZX VTSPZTZX Fax: +667 632 7195 VTSPZTZX Tel: +667 632 7195 VTSRZTZX Tel: +668 1935 1275 **RCAG If unable to contact Ranong Approach attempt to contact tower on appropriate frequency. | 
| 
            Roi Et Controlled Airspaces
           
            A. ROIET CONTROL ZONE 
          The airspace within a circle of 10 NM radius centred on ROT DVOR/DME (160700.59N1034619.45E) up to but not including 2000 FT / GND Class of airspace:C B. ROI ET TERMINAL CONTROL AREAThe airspace within a circle of 30 NM radius centred on ROT DVOR/DME (160700.59N1034619.45E) ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Ubon Sector) | Roi Et Approach (English, Thai) 2330-1430* | 125.4 MHZ** | **TWR hours of services: MON-FRI 0100-0900 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre (Ubon Sector) via AFTN VTBBZAZX Fax: +662 285 9610 Refer AIP VTUV AD 2.3 page AD 2-VTUV-1-5, AIP VTUV AD 2.18 page AD 2-VTUV-1-5 VTBBZAZX Tel: +662 285 9695 VTUVZTZX Tel: +661 928 5012 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
| 
            Sakon NakHon Controlled Airspaces
           
            A. SAKON NAKHON CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on SKN DVOR/DME (171250.89N1040812.34E) up to but not including 2000 FT / GND Class of airspace:C B. SAKON NAKHON TERMINAL CONTROL AREA The airspace enclosed by the following boundary: Starting from a point 174253.1N  1040758.4E 174253.1N  1042406.2E 164253.4N  1044446.1E 164253.4N  1040758.4E - then clockwise along 30 NM arc radius centred on SKN DVOR/DME (171250.89N1040812.34E) to the starting point. ALT 11000 FT / 2000 FTExcluding Nakhon Phanom Control Zone Class of airspace:C | Bangkok APP (Khon Kaen Sector) | Sakon Nakhon Approach* (English, Thai) 2330-1430* | 123.35 MHZ/ 284.0 MHZ *** 
 | *Approach control unit shall accordingly maintain close  **TWR hours of services: MON-FRI 2300-0700 other than this period and holiday 3 HR PN to Bangkok Approach Control Centre (Khon Kaen Sector) via AFTN VTBBZAZX Fax: +662 285 9695VTBBZAZX Tel: +662 285 9695 VTUIZTZX Tel: +668 1889 4013 ***RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
| 
            Surat Thani Controlled Airspaces
           
            A. SURAT THANI CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on STN DVOR/DME (090746.24N0990805.09E) up to but not including 3000 FT / GND Class of airspace:C B. SURAT THANI TERMINAL CONTROL AREA The airspace enclosed by the following boundary: Starting from a point 093307.1N  0991101.0E 093737.1N  0991230.9E - then clockwise along 30 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to 093443.1N  0992200.9E 093019.1N  0992030.9E - then clockwise along 25 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to 085607.3N  0993036.8E 085307.3N  0993418.8E - then clockwise along 30 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to 084031.3N  0991930.9E 084467.3N  0991706.9E - then clockwise along 25 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to 084549.3N  0985701.1E 084207.03N  0985349.1E - then clockwise along 30 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to 084837.3N  0984607.1E 085225.2N  0984925.1E - then clockwise along 25 NM arc radius centred on STN DVOR/DME (090746.24N0990805.09E) to the starting point. ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Samui Sector) | Surat Thani Approach (English, Thai) 2330-1430* | 129.6 MHZ / 305.4 MHZ(PRI)** 123.35 MHZ / 240.0 MHZ(SEC)** | *TWR hours of services: H24 VTBBZAZX Tel: +662 285 9695 Fax: +662 285 9610 VTSBZTZX Tel: +662 845 2758 (Mobile) **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
| 
            Samui Controlled Airspaces
           
            A. SAMUI AERODROME TRAFFIC ZONE
          A circle of 5 NM radius centred on SM  NDB (093314.01N1000335.65E) 2000 FT AGL / GND Class of airspace:D B.SAMUI CONTROL ZONEThe airspace within a circle of 10 NM radius centred of SM NDB (093314.01N1000335.65E) up to but not including 3000 FT AGL / GND Class of airspace:C C. SAMUI TERMINAL CONTROL AREA The airspace enclosed by the following boundary: starting from a point 100256.00N  1000511.00E then clockwise along 30 NM arc radius on SM NDB (093314.01N1000335.65E) to 093802N  1003338E 093300N  1002357E then clockwise along 20 NM arc radius on SM NDB (093314.01N1000335.65E) to 091346.00N  0995834.00E 090459.00N  0995306.00E - clockwise along 30NM arc radius centred on SM NDB (093314.01N1000335.65E) to 091000.00N  0994428.00E 091851.00N  0994940.00E - then clockwise along 20 NM arc radius centred on SM NDB (093314.01N1000335.65E) to 095256.00N  1000302.00E - then direct to starting point. Including B463 11000 FT AGL / 2000 FT AGL Class of airspace:C D. Transition Altitude: 11 000 FT | Samui TWR Bangkok APP (Samui Sector) Bangkok APP (Samui Sector) | Samui Approach (English, Thai) 2300-1500* | 129.6 MHZ / 305.4 MHZ(PRI)** 119.75 MHZ / 240.0 MHZ(SEC)** | *TWR hours of services: Daily 2330-1430 other than this period and holiday 3 HR PN to Bangkok APP (Samui Sector) via AFTN VTBBZAZX VTBBZAZX Tel: +662 285 9695 Fax +662 285 9610 VTBBZAZX Tel: +662 285 9695 VTSMZTZX Tel: +668 1308 1936 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
| 
            Sukhothai Controlled Airspaces
           
            A. Sukhothai Aerodrome Traffic Zone
          A circle of 10 NM radius centred on THS NDB (171406.81N0994919.23E) 2000 FT AGL / GND Class of airspace:C B. SUKHOTHAI CONTROL ZONEThe airspace within a circle of 10 NM radius centred on THS NDB (171406.81N0994919.23E) Excluding Phitsanulok TMA. up to but not including 2000 FT AGL / GND C. SUKHOTHAI TERMINAL CONTROL AREA The airspace enclosed by the follow boundaries beginning at 174029N  1000432E 172551N  0995909E then clockwise along 15 NM arc from THS NDB (171406.81N0994919.23E) to 170000N  0995100E 164454N  0995100E then clockwise along 30 NM arc from THS NDB (171406.81N0994919.23E) to 164648N  0993848E 170130N  0994154E then clockwise along 15 NM arc from THS NDB (171406.81N0994919.23E) to 171348N  0993412E 172442N  0992006E then clockwise along 30 NM arc from THS NDB (171406.81N0994919.23E) to the starting point. Excluding Phitsanulok TMA. ALT 11000 FT / 2000 FT Class of airspace:C D. Transition Altitude: 11 000 FT | Sukhotai TWR Phitsanulok APP | Sukhothai Approach (English, Thai) 2330-1130* | 120.7 MHZ** | *TWR hours of services: MON-FRI 0230-1030 other than this period and holiday 3 HR PN to Phitsanulok Approach Control Center via AFTN VTPPZAZX VPPZTZX Fax: +665 525 3016 VTPPZAZX Tel: +661 928 5011 (Mobile) VTPOZTZX Tel: +661 490 2275 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
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            Tak Controlled Airspaces
           
            A. TAK CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on TK NDB (165358.24N0991507.91E) up to but not including 2000 FT / GND Class of airspace:C B. TAK TERMINAL CONTROL AREA The airspace enclosed by the following boundaries: Starting from a point 165629.81N  0993550.14E 165553.24N  0994046.08E 164601.66N  0993836.55E 164632.03N  0993430.61E - then clockwise along 20 NM arc radius centred on TK NDB (165358.24N0991507.91E) to the starting point Excluding A464, G473, VTD33 and VT D 56 ALT 11000 FT / 2000 FT Class of airspace:C | Phitsanulok APP | Tak Approach* (English, Thai) 2330-1130** | 126.0 MHz | * Approach control unit shall accordingly maintain close co-ordination with the appropriate military units for activities that may affect controlled flight within the joint-use airspace. ** TWR hours of services: 3 HR PN in advance to Phitsanulok Approach Control Centre AFTN VTPPZAZX VTPPZTZX Fax: +665 530 1447 VTPPZAZX Tel: +668 1973 1481 VTPTZTZX Tel: +668 9856 3554 If unable to contact Tak Approach. | 
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              TAKHLI CONTROL ZONE
            
           The airspace enclosed by the following boundaries: beginning at 
            144511.7N
              1003309.1E
           and clockwise along a 35 NM arc radius from TKL TACAN (151629.13N1001756.62E) to 
            145805.7N
              1004848.0E
           then counter clockwise along a 12 NM arc radius from Khok Kathiam (centred on 145228.7N1003948.2E) to the starting point. ALT 11000 FT / 2000 Class of airspace:C | Takhli APP | Takhli Approach (English, Thai) H24 | 122.3 MHz 236.6 MHz 253.5 MHz | Conventional Approach (Secondary) Excluding Alfa Control Area, VTD31 and Nakhon Sawan Aerodrome Traffic Zone. | 
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            Trang Controlled Airspaces
           
            A. TRANG CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on TRN DVOR/DME (073032.17N0993733.67E) up to but not including 2000 FT / GND Class of airspace:C B. TRANG TERMINAL CONTROL AREAThe airspace enclosed by a circle of 25 NM radius centred on TRN DVOR/DME (073032.17N0993733.67E) Excluding Hat Yai TMA. ALT 11000 FT / 2000 FT Class of airspace:C | Hat Yai APP (Hat Yai Sector) | Trang Approach (English, Thai) 2330-1130* | 125.3 MHZ** | *TWR hours of service: MON-FRI 0030-0800 other than this period and holiday 3 HR PN to Hat Yai Approach Control Centre via AFTN VTSSZAZX VTSSZTZX Fax: +667 425 1074 VTSSZTZX Tel: +667 425 1074 VTSTZTZX Tel: +668 1485 3429 **RCAG If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency. | 
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            Trat Controlled Airspaces
           
            A. Trat Aerodrome traffic zone
          A circle of 5 NM radius centred on TRT NDB (121628.10N1021850.08E) ALT 2000 FT AGL / GND Class of airspace:D B. TRAT CONTROL ZONEThe airspace within a circle of 10 NM radius centred of TRT NDB (121628.10N1021850.08E) up to but not including 2000 FT / GND Class of airspace:C C. TRAT TERMINAL CONTROL AREA The airspace enclosed by the follow boundaries beginning at 123259.66N  1020609.45E then clockwise along 20 NM arc radius centred on TRT NDB to 115552.08N  1021639.12E 114625.74N  1021309.78E - then clockwise along 30 NM arc radius centred on TRT NDB to 114951.88N  1020334.90E 115918.21N  1020704.28E - then clockwise along 20 NM arc radius centred on TRT NDB to 122511.30N  1015943.07E 123130.69N  1015146.64E - then clockwise along 30 NM arc radius centred on TRT NDB to 123919.05N  1015812.68E - then direct to starting point ALT 11000 FT / ALT 2000 FT Class of airspace:C D. Transition Altitude: 11 000 FT | Trat TWR | Trat Approach (English, Thai) 2300-1100* UTC | 120.25 MHZ** | *TWR hours of service 2300 -1100 UTC Other than this period and holiday 3 HR PN to Bangkok Approach Control Centre via AFTN: VTBBZAZX Tel: +662 285 9613 VTBOZTZX Tel: +668 1936 7805 **RCAG If unable to contact approach control centre attempt to contact tower on appropriate frequency. | 
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            Ubon Controlled Airspaces
           
            A. UBON CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on UBL DVOR/DME (151442.71N1045157.30E) up to but not including 3000 FT AGL / GND Class of airspace:C B. UBON TERMINAL CONTROL AREAThe airspace enclosed by a circle of 30 NM radius centred on UBL DVOR/DME (151442.71N1045157.30E) FL 200 / 2000FT AGL Class of airspace:C | Bangkok APP (Ubon Sector) | Ubon Approach (English, Thai) 2330-1430* | 123.5 MHZ / 257.8 MHZ** | *TWR hours of services: H24 VTBBZAZX Tel: +662 285 9695 Fax: +662 285 9610 VTUUZTZX Tel: +661 308 1943 **RCAG | 
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            Udon Controlled Airspaces
           
            A. UDON CONTROL ZONE
          The airspace within a circle of 10 NM radius centred on UDN DVOR/DME (172304.20N1024630.05E) up to but not including 3000 FT AGL / GND Class of airspace:C B. UDON TERMINAL CONTROL AREA The airspace enclosed by a circle of 30 NM radius centred on UDN DVOR/DME (172304.20N1024630.05E) Except airspace overlapping Vientiane FIR ALT 11000 FT / 2000 FT Class of airspace:C | Bangkok APP (Khon Kaen Sector) | Udon Approach (English, Thai) 2330-1430* | 126.2 MHZ / 265.9 MHZ** 119.45 MHZ*** | *TWR hours of services: Daily 2300-1430 VTBBZAZX Tel: +662 285 9695 Fax: +662 285 9610 VTUDZTZX Tel: +668 1809 5016 **RCAG ***Backup frequency If unable to contact Approach Control Centre/Office attempt to contact tower on appropriate frequency | 
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            U–Tapao Controlled Airspaces
           
            A. U-TAPAO CONTROL ZONE
          The airspace within a circle of 5 NM radius centred on U-Tapao aerodrome (124046.6N1010017.7E) up to but not including 2000 FT AGL / GND Class of airspace:C B. U-TAPAO TERMINAL CONTROL AREA The airspace enclosed by a circle of 50 NM radius centred on U-Tapao aerodrome (124046.6N1010017.7E) 1. From 5 NM to 15 NM radius measured from the centre of the aerodrome, 700 FT above ground level to unlimited. 2. From 15 NM to 50 NM radius measured from the centre of the aerodrome, 2 000 FT above ground level to unlimited with the following exception: (i) U-Tapao Control Zone (ii) That portion overlapped by Bangkok Alfa Control Area and Hua Hin Terminal Control Area. (iii) All airspace on airways A464, R468, G463 and G458 from FL65 to FL460 | U-Tapao APP | U-Tapao Approach (English, Thai) H24 | 119.7 MHZ 134.5 MHZ273.3 MHZ | |
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            Area Outside Control Airspace
          The area outside control airspace (outside airways TMA and CTR), but within Bangkok FIR. Class of airspace:G | Bangkok ACC | Bangkok Control (English, Thai) H24 | See frequency in use at appropriate sectors |