On September 26, 1992, a Harbin Yunsunji Y-12 (registration 9N-ACI) operated by Nepal Airways was involved in an aviation accident near Lukla-Tenzing-Hillary, Nepal during takeoff. No fatalities were reported. Investigators recorded the probable cause as: The nose gear tyre burst after hitting stones coming from a pothole in the runway surface, causing the nose gear to collapse. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 related events involving the same aircraft type or operator are linked below.
During takeoff at Lukla-Tenzing-Hillary Airport, the nose gear collapsed at 85 knots, causing the aircraft to veer off the runway and come to rest in a ditch. All 14 occupants escaped uninjured; the aircraft was damaged beyond repair.
Incident Overview
On an unspecified date, an aircraft was undertaking a takeoff roll at Lukla-Tenzing-Hillary Airport. As the aircraft reached a speed of 85 knots, the nose gear collapsed. The loss of control caused the aircraft to veer off the runway and eventually come to rest in a ditch.
Occupants and Damage
All 14 occupants on board evacuated the aircraft without injury. The aircraft itself sustained damage beyond repair.
Official Findings
According to the investigation, the nose gear tyre burst after impacting stones originating from a pothole in the runway surface. This led to the collapse of the nose gear.
Probable cause
The nose gear tyre burst after hitting stones coming from a pothole in the runway surface, causing the nose gear to collapse.