10 fatalities

Twin-Engine Aircraft Crashes into Mt Guiting-Guiting (559)

Mt Guiting-Guiting (Sibuyan Island), PhilippinesFlight

On August 28, 1991, a Britten-Norman Islander (registration 559) operated by Philippine Air Force - Hukbong Himpapawid NG Pilipinas was involved in an aviation accident near Mt Guiting-Guiting (Sibuyan Island), Philippines in flight. 10 people were killed. Investigators recorded the probable cause as: Controlled flight into terrain. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-11Data APIEditorial standards

A twin-engine aircraft struck the slope of Mt Guiting-Guiting on Sibuyan Island in poor weather, killing all 10 occupants. The flight was en route to Mactan from Manila with an intermediate stop.

Accident Overview

A twin-engine aircraft operating a flight from Manila to Zamboanga with an intermediate stop in Mactan, Cebu, crashed into Mount Guiting-Guiting on Sibuyan Island. The accident occurred while the aircraft was cruising at an altitude of 5,000 feet en route to Mactan.

Weather Conditions

The pilot encountered poor weather conditions, including stormy weather and poor visibility, prior to the collision with the terrain.

Occupants and Damage

The aircraft was carrying all 10 occupants, none of whom survived the crash. The aircraft was destroyed upon impact with the mountain slope.

Location

Mount Guiting-Guiting is located in the center of Sibuyan Island, an island in the Philippines.

Official Findings

The official probable cause of the accident was determined to be controlled flight into terrain.