5 fatalities

Training Flight Crashes After Striking Trees; Five Killed, One Survives (941)

Puerto Montt-El Tepual, ChileLanding (descent or approach)

On September 9, 1974, a De Havilland DHC-6 Twin Otter (registration 941) operated by Chilean Air Force - Fuerza Aérea de Chile was involved in an aviation accident near Puerto Montt-El Tepual, Chile during landing or approach. 5 people were killed. Investigators recorded the probable cause as: The pilot encountered marginal weather conditions with limited visibility and failed to realize his altitude was too low. 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)Source recordUpdated 2026-07-04Data APIEditorial standards

A training flight from Puerto Montt-El Tepual Airport struck trees and crashed in a wooded area during approach in marginal weather. Five occupants were killed; a crew member survived.

Flight and Occupants

The aircraft departed Puerto Montt-El Tepual Airport for a local training flight. The crew consisted of two pilots and a flight engineer. Additionally, three passengers—members of the flight engineer's family—were on board.

Accident Circumstances

While on approach, the pilot encountered marginal weather conditions with limited visibility. The pilot failed to realize that the aircraft's altitude was too low. During the final approach, the aircraft struck tree tops and subsequently crashed in a wooded area.

Aftermath

A crew member survived the accident, while the other five occupants were killed. The aircraft was destroyed in the crash.

Probable cause

The pilot encountered marginal weather conditions with limited visibility and failed to realize his altitude was too low.

Frequently asked questions

What happened in the 9 Sept 1974 De Havilland DHC-6 Twin Otter accident near Puerto Montt-El Tepual, Chile?

A training flight from Puerto Montt-El Tepual Airport struck trees and crashed in a wooded area during approach in marginal weather. Five occupants were killed; a crew member survived.

Were there any fatalities in the 9 Sept 1974 De Havilland DHC-6 Twin Otter accident?

The accident was fatal, resulting in 5 fatalities.

What aircraft was involved and where did it happen?

The accident on 9 Sept 1974 involved a De Havilland DHC-6 Twin Otter, registration 941, operated by Chilean Air Force - Fuerza Aérea de Chile, at Puerto Montt-El Tepual, Chile.

What was the probable cause of the accident?

The pilot encountered marginal weather conditions with limited visibility and failed to realize his altitude was too low.