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6 fatalities

Collision between Porter and Bell AH-1G Cobra at Can Tho Airport (N393R)

Cần Thơ, VietnamLanding (descent or approach)

On March 17, 1971, a Pilatus PC-6 (Porter & Turbo Porter) (registration N393R) operated by Air America was involved in an aviation accident near Cần Thơ, Vietnam during landing or approach. 6 people were killed. 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

A midair collision occurred near Can Tho Airport when a Porter requested landing while a Bell AH-1G Cobra, registered 67-15676, was taking off. The helicopter struck the Porter, killing all eight occupants.

Incident Overview and Context On the day of the incident, a Porter aircraft was approaching Can Tho Airport from the north. The pilot of the Porter requested permission to land and was communicating on the VHF frequency. At the same time, a crew of two on board a Bell AH-1G Cobra, registered 67-15676, was given permission to take off. The helicopter was climbing when the collision occurred. The helicopter struck the Porter, causing both aircraft to crash. All eight occupants were killed. The source does not provide the date, operator, or specific cause of the collision. The registration of the helicopter is stated verbatim as 67-15676.

Midair collision

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