Bangkok Airways Flight 125

Bangkok Airways Flight 125 was a scheduled domestic flight from Don Mueang International Airport to Koh Samui Airport. On 21 November 1990 the De Havilland Canada Dash 8 operating the flight crashed on approach to Koh Samui Airport during bad weather, 5 km (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]

Bangkok Airways Flight 125
A De Havilland Canada DHC-8-103, similar to the accident aircraft.
Accident
Date21 November 1990 (1990-11-21)
SummaryPilot error and spatial disorientation
Site5 km southwest of Koh Samui Airport
Aircraft
Aircraft typeDe Havilland Canada DHC-8-103
OperatorBangkok Airways
IATA flight No.PG125
ICAO flight No.BKP125
Call signBANGKOK AIR 125
RegistrationHS-SKI
Flight originDon Mueang International Airport, Don Mueang, Bangkok, Thailand
DestinationKoh Samui Airport, Koh Samui, Surat Thani Province, Thailand
Occupants38
Passengers33
Crew5
Fatalities38
Survivors0

The accident was investigated by the International Civil Aviation Organization (ICAO) and the probable cause was determined to be spatial disorientation leading to a loss of control.

Accident

Flight 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 21,000 feet (FL210). 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 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

The aircraft was a two-year-old De Havilland Canada DHC-8-103, registered HS-SKI, msn:172, first flown in 1989. At the time of the accident the aircraft had accumulated 3,416 flight hours and 2,998 take-off/landing cycles.

See also

References
  1. Ranter, Harro. "ASN Aircraft accident de Havilland Canada DHC-8-103 HS-SKI Koh Samui Airport (USM)". aviation-safety.net. Retrieved 2019-12-11.
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