QUANTITY |
UNIT OF MEASUREMENT |
Distance used in navigation, position reporting, etc.-generally in excess of 2 to 3 nautical miles | NAUTICAL MILES (NM) |
Relatively short distances such as those relating to aerodrome (e.g. runway lengths) | METRES (M) |
Altitudes, elevations and heights | FEET (FT) |
Horizontal speed, including wind speed | KNOTS (KT) |
Vertical speed | FEET PER MINUTE (FT/MIN) |
Wind direction for landing and take-off | DEGREES MAGNETIC |
Wind direction except for landing and take-off | DEGREES TRUE |
Visibility | KILOMETRES (KM) |
Runway visual range | METRES (M) |
Altimeter setting | HECTOPASCALS (hPa) |
Temperature | DEGREES CELSIUS (°C) |
Mass (Weight) | KILOGRAMES (KG) or METRIC TON (T) |
Time | HOURS AND MINUTES, THE DAY OF 24 HOURS BEGINNING AT MIDNIGHT (UTC) |
Visibility of less than 5 km may be given in metres. |
Co-ordinated Universal Time (UTC) is used in the air traffic and communication services and in documents published by the Aeronautical Information Services. When reporting time, the nearest full minute is used, e.g., 12 hr 40 min 40 sec is reported as 1241. Time checks to aircraft are accurate within 30 sec.
VTUN — Nakhon Ratchasima / Khorat
VTSN — Nakhon Si Thammarat / Cha - Ian
The nationality mark for aircraft registered in Thailand consists of the letters HS. The nationality mark is followed by a Hyphen and a registration mark consisting of 3 letters, e.g., HS-TDD.
NAME | Date |
---|---|
New Year’s Day |
|
Substitution for New Year's Day |
|
Makha Bucha Day |
|
Chakri Memorial Day |
|
Songkran Festival Days |
13 - 15 April 2023
|
Substitution for Songkran Festival Days | 17 April 2023 |
National Labour Day |
1 May 2023
|
Substitution for National Labour Day | 2 May 2022 |
Royal Coronation Ceremony |
|
Visakha Bucha Day | 15 May 2022 |
Substitution for Visakha Bucha Day | 16 May 2022 |
Bucha Day |
3 June 2023
3 June 2022 |
Substitution for H.M. Queen Suthida Bajrasudhabimalalakshana's Birthday and Visakha Bucha Day |
5 June 2023
|
Buddhist Lent Day | 14 July 2022 |
Additional Special Holiday (added) | 15 July 2022 |
H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday |
28 July 2023
|
Additional Special Holiday (added) | 29 July 2022 |
Asarnha Bucha Day | 1 August 2023 |
Buddhist Lent Day | 2 August 2023 |
H.M. Queen Sirikit The Queen Mother’s Birthday and National Mother Day |
12 August 2023
|
Substitution for H.M. Queen Sirikit The Queen Mother's Birthday and National Mother Day | 14 August 2023 |
H.M. King Bhumibol Adulyadej The Great Memorial Day |
13 October 2023
|
Additional Special Holiday (added) | 14 October 2022 |
King Chulalongkorn Memorial Day |
|
Substitution for King Chulalongkorn Memorial Day | 24 October 2022 |
H.M. King Bhumibol Adulyadej The Great's Birthday, National Day and National Father Day |
5 December 2023
|
Constitution Day |
|
Substitution for Constitution Day |
11 December 2023
|
Additional Special Holiday (added) | 30 December 2022 |
New Year’s Eve |
31 December 2023
|