Incident Overview
On November 11, 2019, at approximately 0730 local time, an agricultural aircraft—a Grumman (Gulfstream American) Ag Cat G164A registered as RP-R1150—was involved in a runway overrun at Osmeña (Davao) Aerodrome in Barangay Osmeña, Compostela, Davao de Oro, Philippines. The aircraft was owned by Sumifru (Philippines) Corporation and operated by Airtrac Agricultural Corporation, which held an Agricultural Aircraft Operator Certificate (AAOC) for aerial agricultural operations.
Flight Details
The flight was the pilot's first load of spraying chemicals for the day. The aircraft was in the take-off roll when the event occurred. Visual meteorological conditions (VMC) prevailed at the time. The pilot, the sole occupant, did not sustain any injury.
Occurrence Sequence
After the rejected take-off, the aircraft departed the runway and came to rest at the end of runway 36 in a banana plantation canal measuring approximately 3 meters by 5 meters. The aircraft's final heading was 352 degrees, and its position was recorded at coordinates 7°38.882' N, 126°05.656' E. The aircraft sustained substantial damage.
Probable Cause
The probable cause of the accident was a runway overrun following a rejected take-off due to a partial loss of engine power.
Safety Recommendations
The engine examination and investigation of engine accessories conducted by Pratt & Whitney Canada suggested that the engine was producing low power during impact. However, that investigation could not confirm the root cause of the reported partial loss of engine power. Accordingly, no safety recommendations were proposed related to the event.