XY-ABR
Flight / Schedule
XY-ABR
Aircraft
De Havilland DH.104 DoveRegistration
XY-ABR
MSN
04195
Year of Manufacture
1948
Operator
Union of Burma AirwaysDate
November 22, 1950 at 12:00 AM
Type
CRASHFlight Type
Scheduled Revenue Flight
Flight Phase
Takeoff (climb)
Crash Site
Airport (less than 10 km from airport)
Crash Location
Yangon Yangon Region
Region
Asia • Myanmar
Coordinates
16.8570°, 96.0883°
Crash Cause
Human factor
Narrative Report
On November 22, 1950 at 12:00 AM, XY-ABR experienced a crash involving De Havilland DH.104 Dove, operated by Union of Burma Airways, with the event recorded near Yangon Yangon Region.
The flight was categorized as scheduled revenue flight and the reported phase was takeoff (climb) at a airport (less than 10 km from airport) crash site.
0 people were known to be on board, 0 fatalities were recorded, 0 survivors were identified or estimated.
Crew on board: 0, crew fatalities: 0, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.
The listed crash cause is human factor. The aircraft commenced a normal take-off and when airborne, "wheels up" was selected. Since sticking of the undercarriage selector knob was experienced the radio operator was requested to operate the undercarriage safety switch. The undercarriage retracted normally and the aircraft immediately sank and struck the runway. The pilot shut off power and the aircraft slid at high speed for a considerable distance down the runway. The aircraft caught fire but all passengers and crew were evacuated safely before the aircraft was almost completely destroyed. The pilot-in-command stated in his evidence that he had no idea of the airspeed at the time he retracted the undercarriage but he was satisfied that he had the safety speed. Although 'Pilots notes' give 20 degrees of flap for take-off no flap was used in this case as the pilot felt that, in the event of engine failure after take-off, 20 degrees flap would make it more difficult to handle the aircraft on one engine. It was brought out in the evidence that in handling the undercarriage lever, which is at times awkward to operate in Dove aircraft, the attention of the pilot can be distracted from actual flight.
Aircraft reference details include registration XY-ABR, MSN 04195, year of manufacture 1948.
Geospatial coordinates for this crash are approximately 16.8570°, 96.0883°.
Fatalities
Total
0
Crew
0
Passengers
0
Other
0
Crash Summary
The aircraft commenced a normal take-off and when airborne, "wheels up" was selected. Since sticking of the undercarriage selector knob was experienced the radio operator was requested to operate the undercarriage safety switch. The undercarriage retracted normally and the aircraft immediately sank and struck the runway. The pilot shut off power and the aircraft slid at high speed for a considerable distance down the runway. The aircraft caught fire but all passengers and crew were evacuated safely before the aircraft was almost completely destroyed. The pilot-in-command stated in his evidence that he had no idea of the airspeed at the time he retracted the undercarriage but he was satisfied that he had the safety speed. Although 'Pilots notes' give 20 degrees of flap for take-off no flap was used in this case as the pilot felt that, in the event of engine failure after take-off, 20 degrees flap would make it more difficult to handle the aircraft on one engine. It was brought out in the evidence that in handling the undercarriage lever, which is at times awkward to operate in Dove aircraft, the attention of the pilot can be distracted from actual flight.
Cause: Human factor
Occupants & Outcome
Crew On Board
0
Passengers On Board
0
Estimated Survivors
0
Fatality Rate
—
Known people on board: 0
Operational Details
Operator
Union of Burma AirwaysFlight Type
Scheduled Revenue Flight
Flight Phase
Takeoff (climb)
Crash Site
Airport (less than 10 km from airport)
Region / Country
Asia • Myanmar
Aircraft Details
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