Biak - Biak

On August 30, 1957 at 10:08 AM, Biak - Biak experienced a crash involving Scottish Aviation Twin Pioneer, operated by NNGLM - Nederlands Nieuw Guinea Luchtvaart Maatschappij de Kroonduif, with the event recorded near Yapen Islands Special Region of Papua.

The flight was categorized as training and the reported phase was flight at a lake, sea, ocean, river crash site.

2 people were known to be on board, 2 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 2, crew fatalities: 2, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is technical failure. The crew departed Biak-Mokmer Airport at 0930LT for a local training flight. After he completed several touch and go, the captain requested the permission to modify the training program to perform other maneuvers. While performing a turn to the right off the Yapen coast, the airplane lost its right wing and crashed into the sea 13 km offshore and sank. The aircraft was lost and both pilots were killed.

Aircraft reference details include registration JZ-PPX, MSN 509, year of manufacture 1957.