Manila - mactan - Zamboanga

On August 28, 1991 at 12:00 AM, Manila - mactan - Zamboanga experienced a crash involving Britten-Norman Islander, operated by Philippine Air Force - Hukbong Himpapawid NG Pilipinas, with the event recorded near Mt Guiting-Guiting (Sibuyan Island) Romblon.

The flight was categorized as military and the reported phase was flight at a mountains crash site.

10 people were known to be on board, 10 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 1, crew fatalities: 1, passengers on board: 9, passenger fatalities: 9, other fatalities: 0.

The listed crash cause is human factor. The twin engine aircraft departed Manila on a flight to Zamboanga with an intermediate stop in Mactan, Cebu. En route to Mactan, the pilot encountered poor weather conditions with stormy weather. While cruising at an altitude of 5,000 feet in poor visibility, the aircraft struck the slope of Mt Guiting-Guiting located in the center of Sibuyan Island. All 10 occupants were killed.

Aircraft reference details include registration 559, MSN 559, year of manufacture 1977.