On December 8, 1992, a De Havilland DHC-6 Twin Otter (registration PK-YPG) operated by Trigana Air Service was involved in an aviation accident near Pogapa, Indonesia during takeoff. No fatalities were reported. Investigators recorded the probable cause as: The crew failed to prepare the flight according to published procedures and failed to follow the pre-takeoff checklist as the takeoff maneuver was initiated with the parking brake still engaged. 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.
During takeoff roll at Pogapa Airfield, an aircraft deviated right, veered off the runway, went down an embankment, and came to rest in a ravine. Both pilots escaped uninjured; the aircraft was damaged beyond repair. Investigation found that the takeoff was initiated with the parking brake still engaged due to failure to follow pre-takeoff checklist.
Incident Overview
An aircraft experienced a loss of control during the takeoff roll at Pogapa Airfield. According to the official accident investigation source, the aircraft deviated to the right and then went out of control. It veered off the runway, proceeded down an embankment, and ultimately came to rest in a ravine.
Occupants and Damage
Both pilots escaped from the incident uninjured. However, the aircraft sustained damage beyond repair.
Probable Cause
The official findings state that the probable cause of the accident was the crew's failure to prepare the flight according to published procedures and their failure to follow the pre-takeoff checklist. Specifically, the takeoff maneuver was initiated with the parking brake still engaged.