Contact

Aeronautical Information Management Department
222 Soi Vibhavadi Rangsit 28,
Vibhavadi Rangsit Rd., Chatuchak,
Chatuchak, Bangkok 10900 Thailand

Tel: +662 568 8831

Fax: +662 576 1903

AFS: VTBAYOYX

Email: [email protected]

Email: [email protected]

AIP Supplement for Thailand

AIP SUP

A 36/25

Effective from 09 SEP 2025

to 19 SEP 2025

Published on 24 JUL 2025

  JOINT MILITARY AIR EXERCISE IN BANGKOK FIR "THAI BOOMERANG 2025"

1  INTRODUCTION

Joint military exercise named THAI BOOMERANG 2025 will take place within the Bangkok FIR from 9 September - 18 September 2025 between 0130 - 0900 UTC. except Saturday and Sunday, details are as follows.

2  EXERCISE AREAS

The following area will be designated as a Temporary Reserved Area (TRA), an airspace temporarily reserved for military air exercises, where other traffic is restricted from transiting.

 Area (boundary)Vertical limits
2.1THAI BOOMERANG 1 (TB-1)An air space bounded by a line joining the following points: 163200N 1012700E, 161800N 1020600E, 151400N 1014600E, 154300N 1011100E then back to the point of origin.GND-UNL
Period of activity
9 SEP - 18 SEP 2025Between0130 - 0900 UTC(Except Saturday and Sunday)
2.2THAI BOOMERANG 2 (TB-2)An air space bounded by a line joining the following points:161800N 1020600E, 160300N 1024600E, 150900N 1022900E, 150700N 1022200E then along a 20 NM arc counter-clockwise around KHORAT TACAN (145606.0N 1020421.8E) to 151200N 1015100E, 151400N 1014600E, and then back to the point of origin.Vertical limits
GND-UNL
Period of activity
9 SEP - 18 SEP 2025between0130 - 0900 UTC(Except Saturday and Sunday)
2.3THAI BOOMERANG 3 (TB-3)An air space bounded by a line joining the following points:160300N 1024600E, 155200N 1031700E, 151300N 1031700E, 151100N 1023600E, 150900N 1022900E, then back to the point
of origin.Excluding : Buri Ram Terminal Control Area (TMA) Buri Ram Approach Freq 125.55 MHz		Vertical limits
GND-UNL
Period of activity
9 SEP - 18 SEP 2025between0130 - 0900 UTC(Except Saturday and Sunday)
 NOTE:Buri Ram TMAThe airspace enclosed by the following boundaries beginning at a point 152840N 1033030E then clockwise along 20 NM arc from BRM DVOR/DME (151422.4N 1031531.6E) 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 (145606.0N 1020421.8E) 151135N 1023700E, 151224N 1030024E then clockwise along 15 NM arc from BRM DVOR/DME to 152918N 1031751E, 154407N 1032620E then counter clockwise along 30 NM arc from ROT DVOR/DME (160700.6N 1034619.5E) then direct to starting point.Vertical limits: 11000 FT / 2000 FT AGL
2.4THAI BOOMERANG 4 (TB-4)An airspace bounded by a line joining the following points:

153700N 1010900E, 150700N 1014800E, then along a 20 NM arc counter-clockwise around KHORAT TACAN (145606.0N 1020421.8E) to 145500N 1014500E, 145500N 1005900E,
150700N 1005900E, and then back to the point of origin.		GND-UNL
Period of activity
9 SEP - 18 SEP 2025between0130 - 0900 UTC(Except Saturday and Sunday)
2.5Chandy RangeChandy Range is located on KRT R-274/68 DME.
Area bounded by a line joining the following points:
145500N 1005900E, 145500N 1005000E, 150700N 1005000E, 150700N 1005900E then back to the point of origin.		Vertical limits
GND - FL240
Period of activity
9 SEP - 18 SEP 2025between0130 - 0900 UTC(Except Saturday and Sunday)

3  KORAT RECOVERY/DEPARTURE CORRIDOR

 Area (boundary)Vertical limits
3.1TRANSITION AREA (TA)

A circle of 20 NM radius centred on KHORAT TACAN (145606.0N 1020421.8E) The primary purpose of TA is to provide a safe transition for aircraft transiting to/from one exercise area to another Aircraft transitioning from one area to another area via the TA utilize
appropriate altitude for direction of flight.

Note :

Northeast bound aircraft use FL130- FL150.

Southwest bound aircraft use FL140-FL160.		GND-FL160
Period of activity
9 SEP - 18 SEP 2025Between0130 - 0900 UTC(Except Saturday and Sunday)
3.2RECOVERY CORRIDOR (RC)

A 5 NM wide corridor bounded by a line joining points
150700N 1014715E, 153740N 1010900E, 154245N 1011100E, 151055N 1015040E then back to the point of origin.

The primary purpose of the recovery corridor is to provide a safe
departure/recovery Route for aircraft transiting to and from areas
TB-1, TB-2 and TB-3. Simultaneously the airspace include the
recovery corridor		Vertical limits
GND-UNL
Period of activity
9 SEP - 18 SEP 2025between0130 - 0900 UTC(Except Saturday and Sunday)

4  RELEASE OF AIRSPACE

4.1 Exercise activity in these TRA will be intensive throughout the exercise period.
4.2 When not required for exercise, TRA will be released to Bangkok Area Control Centre (BACC).
4.3 Civil and non-exercise state aircraft intending to operate into TRA must obtain permission from Live Fly Cell, OSCAR, and BACC.

5  List of Closed ATS Routes during exercise period

ATS
Routes		Closed PortionsClosed LevelsRemark
W21NOBER- CMPMFA - FL460-
R474BKK - CMPMFA - FL460-
Y1TERCO - UBLODMFA - FL460-
Y2KKN - UBLODMFA - FL460-
W6/Y23KRT - KKNMFA - FL460Route portion lies within TA area, closed level MFA-FL160
B460BODUR - KRTMFA - FL460Route portion lies within TA area, closed level MFA-FL160
W1/Y20RAMEI - UBLODMFA - FL160-
W38RAMEI-ANKIDMFA - FL460-
W8TL - KRTMFA - FL460-

6  Clearance Restrictions and Flight Planning Procedures

To improve safety, airspace capacity, and flight efficiency during the THAI BOOMERANG 2025 exercise, flights operating into the affected airspace must follow the clearance restrictions and flight planning procedures outlined in this AIP Supplement. For information not listed in this AIP SUP, follow the AIP ENR 1.10 FLIGHT PLANNING and related NOTAMs. For flight unable to comply to the mentioned procedure, coordinate with Live Fly Cell prior to submit the flight plan.

6.1 For RNAV capable Aircraft
6.1.1 Departure/Overfly flights from VTBD/VTBS/BKK to the following Destination airports:
Departure/OverflyDestination/OverflyFlight Planning
VTBD/VTBS/BKKVTPBY27 PIBAN Y29 PSL W26
VTUDY27 PIBAN Y29 PSL W26 CMP W21
VTUKA1 SANOT Y15 GRASO R345 ROT Y22
VTUIA1 SANOT Y15 GUROK DCT SKN
VTULY27 PIBAN Y29 PSL W27
VTUOA1 TOPER W42 RAMEI Y20 RAMBU DCT BRM
VTUWA1 SANOT Y15 GUROK DCT NKP
VTUVA1 SANOT Y15 GRASO R345
VLLB/VLVT/VTNY27 PIBAN Y29 PSL W26 CMP W21 UDN R470
LPBY27 IBUBU W25 NAN R215 TOMIP
SAGAGY27 IBUBU W25 NAN R215 TOMIP (OR)Y27 IKISU W22 CTR A581 PONUK
RYNSAVW42 TOPER A1 SANOT Y15 GUROK A202

Remark: All aircraft concerned are to expect RADAR vectoring or ATC instructions to suit the flow of traffic and/or avoid affected airspace.

6.1.2 Arrival/Overfly flight to VTBD/VTBS/BKK from the following Departure airports:
Departure/OverflyDestination/OverflyFlight Planning
VTPBVTBDW26 GOKON Y31 PEBLI Y28 BLAFF DCT NAKON
VTBSW26 GOKON Y31 PEBLI Y28 BLAFF DCT NORTA
BKKW26 GOKON Y31 PEBLI Y28
VTUDVTBDW21 CMP W26 GOKON Y31 PEBLI Y28 BLAFF DCT NAKON
VTBSW21 CMP W26 GOKON Y31 PEBLI Y28 BLAFF DCT NORTA
BKKW21 CMP W26 GOKON Y31 PEBLI Y28
VTUKVTBDY22 ROT R345 GRASO Y20 UBLOD DCT ENDUU
VTBSY22 ROT R345 GRASO Y13 RUKSA DCT EASTE
BKKY22 ROT R345 GRASO Y20
VTUIVTBDSKN DCT ROT R345 GRASO Y20 UBLOD DCT ENDUU
VTBSSKN DCT ROT R345 GRASO Y13 RUKSA DCT EASTE
BKKSKN DCT ROT R345 GRASO Y20
VTULVTBDY31 PEBLI Y28 BLAFF DCT NAKON
VTBSY31 PEBLI Y28 BLAFF DCT NORTA
BKKY31 PEBLI Y28
VTUWVTBDY23 SKN DCT ROT R345 GRASO Y20 UBLOD DCT ENDUU
VTBSY23 SKN DCT ROT R345 GRASO Y13 RUKSA DCT EASTE
BKKY23 SKN DCT ROT R345 GRASO Y20
VTUVVTBDR345 GRASO Y20 UBLOD DCT ENDUU
VTBSR345 GRASO Y13 RUKSA DCT EASTE
BKKR345 GRASO Y20
VTUOVTBDBRM DCT RAMBU Y20 UBLOD DCT ENDUU
VTBSBRM DCT RAMBU Y20 RAMEI W42 PAKRI Y13 RUKSA DCT EASTE
BKKBRM DCT RAMBU Y20
VTN/VLVT/
VLLB/LPB/
SAGAG		VTBDVTN R470 UDN W21 CMP W26 GOKON Y31 PEBLI Y28 BLAFF DCT NAKON
VTBSVTN R470 UDN W21 CMP W26 GOKON Y31 PEBLI Y28 BLAFF DCT NORTA
BKKVTN R470 UDN W21 CMP W26 GOKON Y31 PEBLI Y28
SAVVTBDA202 GUROK DCT RAMBU Y20 UBLOD DCT ENDUU
VTBSA202 GUROK DCT RAMBU DCT PAKRI Y13 RUKSA DCT EASTE
BKKA202 GUROK DCT RAMBU Y20
RYNA202 GUROK DCT RAMBU Y20 RAMEI W42

Remark: All aircraft concerned are to expect RADAR vectoring or ATC instructions to suit the flow of traffic and/or avoid affected airspace.

6.2 For Non-RNAV capable Aircraft
NON-RNAV capable aircraft shall operate at FL250 and below.
6.2.1 Departure/Overfly flights from VTBD/VTBS/BKK to the following Destination airports:
Departure/OverflyDestination/OverflyFlight Planning
VTBD/VTBS/BKKVTUDW21 NOBER W39 PCB W26 CMP W21 UDN
VTUKA1 SANOT DCT GRASO R345 ROT W5
VTUIA1 SANOT DCT GRASO DCT GUROK DCT SKN
VTUWA1 SANOT DCT GRASO DCT GUROK DCT NKP
VTUVA1 SANOT DCT GRASO R345
VTUOA1 SELKA DCT KRT W1 RAMBU DCT BRM
SAVA1 SANOT DCT GRASO DCT GUROK A202
RYNSAVW42 TOPER A1 SANOT DCT GRASO DCT GUROK A202

Remark: All aircraft concerned are to expect RADAR vectoring or ATC instructions to suit the flow of traffic and/or avoid affected airspace.

6.2.2 Arrival/Overfly flight to VTBD/VTBS/BKK from the following Departure airports:
Departure/OverflyDestination/OverflyFlight Planning
VTPBVTBDW26 PSL W9 BLAFF DCT NAKON
VTBSW26 PSL W9 BLAFF DCT NORTA
BKKW26 PSL W9
VTUDVTBDW21 CMP W26 PSL W9 BLAFF DCT NAKON
VTBSW21 CMP W26 PSL W9 BLAFF DCT NORTA
BKKW21 CMP W26 PSL W9
VTUKVTBDW5 ROT R345 GRASO W1 UBLOD DCT ENDUU
VTBSW5 ROT R345 GRASO DCT PAKRI DCT RUKSA DCT EASTE
BKKW5 ROT R345 GRASO W1
VTUIVTBDSKN DCT ROT R345 GRASO W1 UBLOD DCT ENDUU
VTBSSKN DCT ROT R345 GRASO DCT PAKRI DCT RUKSA DCT EASTE
BKKSKN DCT ROT R345 GRASO W1
VTULVTBDW27 PSL W9 BLAFF DCT NAKON
VTBSW27 PSL W9 BLAFF DCT NORTA
BKKW27 PSL W9
VTUWVTBDW6 SKN DCT ROT R345 GRASO W1 UBLOD DCT ENDUU
VTBSW6 SKN DCT ROT R345 GRASO DCT PAKRI DCT RUKSA DCT EASTE
BKKW6 SKN DCT ROT R345 GRASO W1
VTUVVTBDR345 GRASO W1 UBLOD DCT ENDUU
VTBSR345 GRASO DCT PAKRI DCT RUKSA DCT EASTE
BKKR345 GRASO W1
VTUOVTBDBRM DCT RAMBU W1 UBLOD DCT ENDUU
VTBSBRM DCT RAMBU W1 RAMEI W42 PAKRI DCT RUKSA DCT EASTE
BKKBRM DCT RAMBU W1
VTN/VLVT/
VLLB/LPB/
SAGAG		VTBDVTN R470 UDN W21 CMP W26 PSL W9 BLAFF DCT NAKON
VTBSVTN R470 UDN W21 CMP W26 PSL W9 BLAFF DCT NORTA
BKKVTN R470 UDN W21 CMP W26 PSL W9
SAVVTBDA202 GUROK DCT RAMBU W1 UBLOD DCT ENDUU
VTBSA202 GUROK DCT RAMBU W1 RAMEI W42 PAKRI DCT RUKSA DCT EASTE
BKKA202 GUROK DCT RAMBU W1
RYNA202 GUROK DCT RAMBU W1 RAMEI W42

Remark: All aircraft concerned are to expect RADAR vectoring or ATC instructions to suit the flow of traffic and/or avoid affected airspace.

7  ACTION IN EVENT OF EMERGENCY

In case of civil and non-exercise military aircraft experiencing and emergency which necessitates entering an active exercise area should immediately advise one of the following agencies:

UnitsFrequency
UHF (MHz)VHF (MHz)
OSCAR CONTROL331.1127.0
Bangkok Area Control Centre (BACC)Sector 1N256.3124.5
Sector 2N-126.5
Sector 3N263.8128.1
Sector 4N-120.95
Sector 5N268.5132.1
Sector 6N285.3133.1
Khorat Approach349.0129.75
Khorat Tower240.5129.75
Nakhon Ratchasima Tower236.6119.8
Udon Approach265.9126.2
Khon Kaen Approach240.0123.4
BIG SHELL/DRESSY LADY (Back up control agency)331.3127.0

Thai Boomerang 2025 aircraft experiencing an emergency and unable to contact their appropriate control agencies will contact OSCAR control or any other GCI facility on Primary Freq 331.3 MHz, 127.0 MHz Secondary 355.2 MHz or guard Freq 243.0 and 121.5 MHz.

8  ATFM Measures during Joint Military Exercise "THAI BOOMERANG 2025"

In response to the capacity constraint caused by the Military activities, the following ATFM measures will be implemented:

8.1 Ground Delay Program (GDP)

Ground Delay Program (GDP) will be implemented by Bangkok ATFM Unit (Bangkok ATFMU) during the traffic congestion period. ATFM procedure is published in AIP Thailand ENR 1.9

8.2 Temporary Flight Level orientation scheme

Flights operating on the following routes are requested to use the following flight level orientation scheme:

8.2.1  Northbound flight from VTBD, VTBS, BKK via A464 (Portion BKK CMA), Y26, or Y27 and

flight depart from VTPI, VTBL, VTBH, VTPP via W9. - Odd FL

8.2.2 Southbound flight to VTBD, VTBS, BKK via Y7, Y28 or W9. - Even FL

9  CONTACTS

UNITSCONTACT DETAILS
Live Fly Cell of Thai Boomerang 25SQN.LDR.WITSARAT POSARACHE-mail: [email protected]: +668 1251 9651
Bangkok Air Traffic Flow Management Unit
(Bangkok ATFMU)		Phone: +66 2287 8024, +66 2287 8025E-mail: [email protected]: http://atfm.aerothai.aero
Airspace Management Cell (Thailand) For AUP/UUPPhone: +662 307 2132Mobile: +666 1402 4966E-mail: [email protected]

Website: www.thaicmac.aerothai.aero

10  This AIP Supplement will remain current until 18 September 2025 at 0900 UTC Any changes to this supplement will be notified through NOTAM and/or official email from Bangkok Air Traffic Flow Management Unit (Bangkok ATFMU).

11  Exercise Area Map