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Bangkok Airways Flight 125 was a scheduled domestic flight from Don Mueang International Airport to Koh Samui Airport. On 21 November 1990 the Dash 8-103 operating the flight crashed on approach to Koh Samui Airport during bad weather, five kilometres (3.1 mi; 2.7 nmi) southwest of the airport, killing all 33 passengers and 5 crew. Bangkok Airways Flight 125 was the first fatal accident of Bangkok Airways.[1]
 A Dash 8-100, similar to the accident aircraft. | |
| Accident | |
|---|---|
| Date | 21 November 1990 |
| Summary | Pilot error and spatial disorientation |
| Site | 5 km southwest of Koh Samui Airport 9°31′01″N 100°02′11″E / 9.5169°N 100.03631°E |
| Aircraft | |
| Aircraft type | de Havilland Canada Dash 8-103 |
| Operator | Bangkok Airways |
| IATA flight No. | PG125 |
| ICAO flight No. | BKP125 |
| Call sign | BANGKOK AIR 125 |
| Registration | HS-SKI |
| Flight origin | Don Mueang International Airport, Don Mueang, Bangkok, Thailand |
| Destination | Koh Samui Airport, Koh Samui, Surat Thani Province, Thailand |
| Occupants | 38 |
| Passengers | 33 |
| Crew | 5 |
| Fatalities | 38 |
| Survivors | 0 |
The subsequent investigation determined that the cause of the accident was the pilots suffering spatial disorientation that led to a loss of control.
Accident
editFlight 125 departed Don Mueang International Airport at 09:58 UTC. The flight was conducted under IFR and proceeded to climb to a flight level of 210 (21,000 feet (6,400 m)). At 10:45 as the aircraft approached Koh Samui Airport, the crew contacted the control tower and were informed that runway 17 was active. The tower also advised that the weather was mild with rain southeast of the airport. Due to changing wind conditions on the ground the crew was instructed to use runway 35. While attempting to line up for runway 35, errors caused the crew to perform a missed approach. The tower directed the aircraft to make left turn to avoid mountains and flight 125 started a left roll with flaps fully extended in heavy rain. The crew became disoriented and began descending while still in a left roll. The aircraft crashed into a coconut farm 5 km (3.1 mi; 2.7 nmi) southwest of Koh Samui Airport, with the loss of all 33 passengers and 5 crew. Bangkok Airways Flight 125 was the first fatal accident of Bangkok Airways.[1]
Aircraft
editThe aircraft involved was a De Havilland Canada Dash 8-103, MSN 172, registered as HS-SKI, that was manufactured by de Havilland Canada in 1989. It had logged approximately 3416 airframe hours and 2998 takeoff and landing cycles. It was also equipped with two Pratt & Whitney Canada PW120A engines[1]
References
edit- ^ a b c Ranter, Harro. "ASN Aircraft accident de Havilland Canada DHC-8-103 HS-SKI Koh Samui Airport (USM)". aviation-safety.net. Retrieved 2019-12-11.