ASN Aircraft accident Scottish Aviation Twin Pioneer 1 VR-OAE Sibu
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Date:Saturday 7 September 1963
Type:Silhouette image of generic TPIN model; specific model in this crash may look slightly different
Scottish Aviation Twin Pioneer 1
Operator:Borneo Airways
Registration: VR-OAE
MSN: 517
First flight: 1957-10-31 (5 years 10 months)
Engines: 2 Alvis Leonides 514
Crew:Fatalities: 0 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 13
Total:Fatalities: 0 / Occupants: 14
Aircraft damage: Damaged beyond repair
Location:5,6 km (3.5 mls) NE of Sibu (   Malaysia)
Phase: Approach (APR)
Nature:Scheduled Passenger
Departure airport:Sibu Airport (SBW/WBGS), Malaysia
Destination airport:Mukah Airport (MKM/WBGK), Malaysia
Flightnumber: 631
The Twin Pioneer took off from Sibu at 02:37 and climbed to about 50 feet when the starboard engine fire warning light came on. The pilot feathered the propeller and notified ATC that he was returning to land. The plane was not able to maintain terrain clearance and a forced landing on a clearing was made.

Probable Cause:

PROBABLE CAUSE: "The accident was a result of failure to obtain adequate height before returning to land, caused by the aircraft being outside the takeoff area and heading towards trees on rising ground; the initial turn to avoid these and subsequent alterations of heading to avoid further obstacles adversely affected the climb performance of the aircraft."

Forced landing outside airport

» The Straits Times 8 September 1963, p7


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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Sibu Airport to Mukah Airport as the crow flies is 72 km (45 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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