ContactThe Civil Aviation Authority of Thailand Tel: +662 568 8831 Fax: +662 576 1903 AFS: VTBAYOYX E-mail: aisthai@caat.or.th E-mail: ais@caat.or.th | AIP Supplement for Thailand | AIP SUP A 18/21 Effective from 21 OCT 2021 to 30 NOV 2021 Published on 21 OCT 2021 |
This section supplements the following portion(s) of the AIP: AD
1 With effect from 21 October 202 1 at 0100 UTC to 30 November 2021 at 1000 UTC, the purpose of this AIP Supplement is to inform all concerned regarding closure of SSR RADAR Surat Thani Station for SSR Performance Improvement.
| SSR STATION | LATITUDE | LONGITUDE | RANGE | PERIOD |
|---|---|---|---|---|
| Surat Thani Station | 090800.92N | 0990843.58E | 256 NM | 21 October 2021 – 30 November 2021 |
3.1 Area Control shall provide radar en-route service using SSR coverage from Chumphon, Hat Yai and Phuket station.
3.2 Krabi Approach Control shall provide radar approach service using SSR coverage from Phuket station in the area shown in Table A.
Table A - Radar Approach Service (Krabi TMA) with Coverage from Phuket SSR
| Altitude (Feet) | Azimuth (degree) | Range (NM) |
|---|---|---|
|
2000 |
0 - 22 22 - 82 82 - 94 110 - 124 124 - 143 151 - 174 174 - 360 |
0 - 9, 13 - 25 0 - 12 0 - 20 0 - 26 14 - 26 0 - 22 0 - 23 |
| 3000 |
0 - 19 19 - 60 60 - 99 99 - 105 105 - 117 117 - 128 128 - 139 139 - 155 155 - 224 224 - 351 351 - 360 |
0 - 10, 15 - 30 0 - 17 0 - 20 0 - 17 0 - 20 0 - 27 0 - 25 0 - 32 0 - 22 0 - 20 0 - 30 |
| 4000 |
0 - 19 19 - 48 43 - 117 117 - 155 155 - 224 224 - 351 351 - 360 |
0 - 12, 13 - 20 0 - 14, 16 - 20 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
| 5000 |
0 - 19 19 - 44 43 - 117 117 - 155 155 - 224 224 - 351 351 - 360 |
0 - 30 0 - 14, 16 - 20 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
| 6000 |
0 - 19 19 - 117 117 - 155 155 - 224 224 - 351 351 - 360 |
0 - 30 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
| 7000 |
0 - 19 19 - 48 48 - 117 117 - 155 155 - 224 224 - 360 |
0 - 30 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
| 8000 |
0 - 19 19 - 48 48 - 117 117 - 155 155 - 224 224 - 360 |
0 - 30 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
| 9000 |
0 - 19 19 - 48 48 - 117 117 - 155 155 - 224 224 - 360 |
0 - 30 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
| 10000 |
0 - 19 19 - 48 48 - 117 117 - 155 155 - 224 224 - 360 |
0 - 30 0 - 20 0 - 32 0 - 22 0 - 20 0 - 30 |
3.3 Surat Thani Approach Control shall provide radar approach service using SSR coverage from Chumphon and Phuket station in the area shown in Table B.
Table B - Radar Approach Service (Surat Thani TMA) with Coverage from Chumphon and Phuket SSR
| Altitude (Feet) | Azimuth (degree) | Range (NM) |
|---|---|---|
| 3000 |
122 - 150 150 - 182 182 - 218 222 - 230 |
17 - 20 19 - 24 17 - 30 15 - 30 |
| 4000 |
0 - 50 75 - 101 101 - 154 154 - 220 220 - 250 332 - 360 |
17 - 30 5 - 8 4 - 29 10 - 30 5 - 24 22 - 25 |
| 5000 |
0 - 70 95 - 220 220 - 255 323 - 360 |
8 - 30 5 - 30 4 - 30 10 - 25 |
| 6000 |
0 - 87 87 - 222 222 - 263 293 - 360 |
0 - 25 5 - 30 4 - 30 16 - 25 |
| 7000 |
0 - 262 282 - 360 |
0 - 30 13 - 25 |
| 8000 | 0 - 360 | All of TMA |
| 9000 | 0 - 360 | All of TMA |
| 10000 | 0 - 360 | All of TMA |
3.4 Samui Approach Control shall provide radar approach service using SSR coverage from Chumphon station in the area shown in Table C.
Table C - Radar Approach Service (Samui TMA) with Coverage from Chumphon SSR
| Altitude (Feet) | Azimuth (degree) | Range (NM) |
|---|---|---|
| 2000 |
1 - 6 |
27 - 30 |
| 3000 |
0 - 28 277 - 360 |
13 - 30 13 - 21 |
| 4000 |
0 - 46 251 - 360 |
1 - 30 1 - 30 |
| 5000 |
0 - 63 63 - 228 228 - 360 |
0 - 30 0 - 7 0 - 30 |
| 6000 |
0 - 99 99 - 220 220 - 360 |
0 - 30 0 - 28 0 - 30 |
| 7000 | 0 - 360 | All of TMA |
| 8000 | 0 - 360 | All of TMA |
| 9000 | 0 - 360 | All of TMA |
| 10000 | 0 - 360 | All of TMA |
3.5 Procedural approach will be provided in areas without radar coverage.
Unit: Air Traffic Surveillance Systems Engineer Department, Aeronautical Radio of Thailand Ltd.
E-mail: wittawat.ka@aerothai.co.th, apichaitote@gmail.com
Telephone: +668 9113 1500 (Mr. Wittawat) or +669 5605 4447 (Mr. Apichai)
5 This AIP Supplement superseded NOTAM C3306/21 and will remain current until 30 November 2021 at 1000 UTC. Any changes to this AIP Supplement will be notified through NOTAM.