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Aircraft Collision with Mt Carpish Near Tingo María (OB-1559)

Mt Carpish, PeruFlight

On February 25, 1994, a Yakovlev Yak-40 (registration OB-1559) operated by Expresso Aéreo was involved in an aviation accident near Mt Carpish, Peru in flight. 31 people were killed. Investigators recorded the probable cause as: Controlled flight into terrain. 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)Primary reportUpdated 2026-06-11Data APIEditorial standards

An aircraft struck the slope of Mt Carpish about 45 km southwest of Tingo María Airport while flying in clouds at 13,000 feet. All 31 occupants were killed, and the wreckage was found on March 5.

Incident Overview Six minutes after departing Tingo María Airport, the aircraft encountered clouds at an altitude of 13,000 feet. During this phase of flight, it struck the slope of Mt Carpish, which is located approximately 45 km southwest of the airport. The impact resulted in the deaths of all 31 people on board. ## Search and Recovery The crash site was in an isolated area, which delayed the discovery of the wreckage. The remains of the aircraft were not located until March 5. ## Official Findings The investigation determined that the probable cause of the accident was controlled flight into terrain.

Controlled flight into terrain

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