On 8 May 2019, a Bombardier DHC8-400 making its second approach to Yangon during a thunderstorm touched down over halfway along the runway after an unstabilised approach but then briefly became airborne again before descending very rapidly and sustaining extreme structural damage on impact before sliding off the end of the runway. The Investigation found that prior to the final rapid descent and impact, the Captain had placed the power levers into the beta range, an explicitly prohibited action unless an aircraft is on the ground. No cause for the accident other than the actions of the crew was identified.
Description
On 8 May 2019, the crew of a Bombardier DHC8-400 (S2-AGQ) being operated by Biman Bangladesh Airlines on a scheduled international passenger flight from Dhaka to Yangon as BF60 continued an unstabilised approach in day VMC which eventually ended with a very hard final touchdown which caused extensive structural damage to the aircraft and ended in a runway excursion. All 34 occupants survived with 12 sustaining serious injuries and 8 sustaining minor injuries.
Part of the aircraft in its final resting position. [Reproduced from the Official Report]
Investigation
An Investigation was carried out by the Myanmar Aircraft Accident Investigation Bureau (AAIB). The aircraft SSFDR and CVR were removed from the aircraft and sent to the Australian Transport Safety Bureau (ATSB) where their data were downloaded.
The 51 year-old Captain had a total of 9,646 flying hours experience which included 1,474 hours on type and the 25 year-old First Officer had a total 580 flying hours experience of which all except 175 hours were on type.
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