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Fatal Aircraft Crash Near Puerto Aysén Airport (CC-COA)

Puerto Aysén, ChileLanding (descent or approach)

On December 17, 1973, a Curtiss C-46 Commando (registration CC-COA) operated by Transportes Aéreos Suravia was involved in an aviation accident near Puerto Aysén, Chile during landing or approach. 3 people were killed. Investigators recorded the probable cause as: Failure of the left elevator that detached in flight, causing the airplane to become uncontrollable. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

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

An aircraft crashed near Puerto Aysén Airport after entering a dive during approach. The left elevator detached in flight, making the plane uncontrollable and killing all three occupants.

Incident Overview During its final approach to Puerto Aysén Airport, the aircraft experienced a sudden loss of control. The plane banked to the left and subsequently entered a steep dive, ultimately crashing a few kilometers from the airfield. The impact destroyed the aircraft, and all three people on board were killed. ## Probable Cause The official investigation determined that the crash was caused by the failure of the left elevator. The component detached while the aircraft was in flight, which rendered the airplane uncontrollable and led to the fatal accident. ## Outcome The incident resulted in the total loss of the aircraft and the deaths of all three occupants. No further details regarding the specific aircraft type, registration, operator, or exact date were provided in the source material.

Structural failure

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