The aircraft went down in Ampatuan, a farming municipality in Maguindanao del Sur province on the island of Mindanao. Provincial safety officer Ameer Jehad Tim Ambolodto said recovery teams retrieved four bodies from the wreckage. The crash site was secured by police and soldiers to protect the area while investigators began their work.

Indo-Pacific Command described the flight as a routine mission providing intelligence, surveillance and reconnaissance support at the request of the Philippines. The aircraft was operating under a U.S. military contract rather than as a regular passenger service. Philippine officials and the U.S. Embassy confirmed that everyone on board died.

Witness accounts relayed through a provincial disaster official said residents saw smoke coming from the plane and heard an explosion before it fell less than a kilometer from a group of farmhouses. No people on the ground were reported injured. Local officials said the aircraft struck and killed a water buffalo when it crashed. These observations described the final moments but did not establish why the aircraft went down.

Both U.S. and Philippine authorities said the cause remained under investigation. The Civil Aviation Authority of the Philippines confirmed that a small fixed-wing aircraft had crashed in the province but did not initially release a detailed technical assessment. Police identified the tail number as N349CA. Flight-tracking information cited by ABC News Australia linked that registration to defense contractor Metrea and described the aircraft as a Beechcraft Super King Air B300.

The mission took place in a region where a limited number of American forces regularly rotate through Philippine facilities. U.S. personnel have for years provided training, advice and intelligence assistance to Philippine units confronting militant groups on Mindanao, including organizations linked to Islamic State. That security relationship supplied the context for the surveillance flight, though officials did not disclose the mission's specific target or operational route.

The confirmed facts therefore established the flight's support role, the identities of the victims by category and the location of the crash, while leaving the central technical question unresolved. Investigators still had to examine the wreckage and flight information before attributing the loss to mechanical failure, weather, human actions or any other cause. Until that examination was complete, witness reports of smoke and an explosion remained observations rather than proof of a particular failure or outside action.