Four-Engine Aircraft Crash on Typhoon Relief Mission to Naga City (4761)

Incident Overview and Context A four-engine aircraft was conducting a typhoon relief mission to Naga City when it crashed during its final approach. The descent to Naga City Airport began in poor weather, with heavy rain limiting visibility. The aircraft struck the slope of Mount Manase, located 30 km from the airport, and disintegrated on impact. All 30 occupants were killed. ## Official Probable Cause The investigation determined that the accident resulted from controlled flight into terrain after the crew continued the approach below minimum safe altitude in below-minima weather conditions.