 | This article relies largely or entirely on a single source. (August 2013) |
 The aircraft involved in the accident at Chiang Mai Airport in 1976. | |
| Accident | |
|---|---|
| Date | 27 April 1980 |
| Summary | Pilot error in thunderstorm |
| Site | 15 km north east of Bangkok, Thailand |
| Aircraft | |
| Aircraft type | Hawker Siddeley HS 748 |
| Operator | Thai Airways |
| Registration | HS-THB |
| Flight origin | Khon Kaen Airport, Thailand |
| Destination | Don Mueang International Airport, Bangkok, Thailand |
| Passengers | 49 |
| Crew | 4 |
| Fatalities | 44 |
| Injuries | 9 |
| Survivors | 9 |
Thai Airways Flight 231 was a scheduled passenger flight that crashed on 27 April 1980. The Hawker Siddeley HS 748 operating the flight, registration HS-THB, stalled and crashed after entering a thunderstorm on approach to Bangkok. The accident killed 44 out of 53 passengers and crew on board.