No fatalities

Aircraft Overruns Runway 24 and Comes to Rest in Gandaki River (9N-ACS)

Jomsom, NepalLanding (descent or approach)

On November 8, 1993, a Harbin Yunsunji Y-12 (registration 9N-ACS) operated by Nepal Airways was involved in an aviation accident near Jomsom, Nepal during landing or approach. No fatalities were reported. Investigators recorded the probable cause as: For unknown reasons, the crew landed 240 metres past the runway 24 threshold (runway 24 is 600 metres long). 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.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Source recordUpdated 2026-07-04Data APIEditorial standards

An aircraft overran runway 24 after landing, went down an embankment, and came to rest in the Gandaki River with its right wing torn off. All 19 occupants were rescued; two pilots and three passengers sustained injuries.

Incident Details

After touching down on runway 24, the aircraft was unable to stop within the remaining distance. It overran the runway, descended an embankment, and came to rest in the Gandaki River. The impact tore off the aircraft's right wing.

Rescue and Injuries

All 19 occupants were rescued from the aircraft. Among them, both pilots and three passengers sustained injuries; the condition of other occupants was not specified.

Probable Cause

According to the official investigation, the crew landed 240 metres past the runway 24 threshold for unknown reasons. Runway 24 has a total length of 600 metres.

Frequently asked questions

What happened in the 8 Nov 1993 Harbin Yunsunji Y-12 accident near Jomsom, Nepal?

An aircraft overran runway 24 after landing, went down an embankment, and came to rest in the Gandaki River with its right wing torn off. All 19 occupants were rescued; two pilots and three passengers sustained injuries.

Were there any fatalities in the 8 Nov 1993 Harbin Yunsunji Y-12 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 8 Nov 1993 involved a Harbin Yunsunji Y-12, registration 9N-ACS, operated by Nepal Airways, at Jomsom, Nepal.

What was the probable cause of the accident?

For unknown reasons, the crew landed 240 metres past the runway 24 threshold (runway 24 is 600 metres long).