19 fatalities

Fatal aircraft impact near Puerto Aysén (953)

Puerto Aysén, ChileFlight

On June 16, 1963, a Douglas C-47 Skytrain (DC-3) (registration 953) operated by Chilean Air Force - Fuerza Aérea de Chile was involved in an aviation accident near Puerto Aysén, Chile in flight. 19 people were killed. Investigators recorded the probable cause as: The aircraft struck a mountainside while operating in marginal weather conditions during its descent. 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.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

An aircraft crashed into a mountainside during its descent to Puerto Aysén, resulting in 19 fatalities and one serious injury.

What happened

During an approach to Puerto Aysén, an aircraft traveling from Coihaique-Teniente Vidal Airport collided with the terrain. While the crew was performing a descent toward the destination, the flight encountered weather conditions that were considered marginal. During this phase of the flight, the aircraft struck the side of Mt Pérez, situated approximately 42 km away from the airport.

Findings

The accident resulted in a total of 19 fatalities and left one passenger with serious injuries. The primary factor contributing to the impact was the encounter with marginal weather conditions during the descent phase.

Probable cause

The aircraft struck a mountainside while operating in marginal weather conditions during its descent.