Mid-air collision involving Porter aircraft and Bell AH-1G Cobra near Cần Thơ Airport

6 fatalities • Cần Thơ, Vietnam • Landing (descent or approach)

A mid-air collision between a Porter aircraft and a Bell AH-1G Cobra helicopter resulted in the deaths of all eight people on board during takeoff and landing operations.

What happened

While operating near Cần Thơ Airport, a collision occurred between two aircraft during simultaneous arrival and departure maneuvers. The pilot of a Porter aircraft was communicating via VHF frequency and had requested clearance to land while approaching the airport from the northern direction.

Concurrently, a Bell AH-1G Cobra helicopter, bearing registration 67-15676, was granted clearance to depart the airfield. As the crew of two on the helicopter began its ascent, the aircraft struck the incoming Porter plane. The impact caused both aircraft to crash at the scene.

Findings

  • The collision involved a total of eight fatalities.
  • The accident occurred as the helicopter was in its climbing phase and the fixed-wing aircraft was on final approach.
  • The primary factor in the accident was the mid-air contact between the ascending helicopter and the descending airplane.

Probable cause

The collision occurred when a climbing helicopter struck an approaching fixed-wing aircraft during simultaneous takeoff and landing operations.

Frequently asked questions

What happened in the 1971-03-17 Pilatus PC-6 (Porter & Turbo Porter) accident near Cần Thơ, Vietnam?

A mid-air collision between a Porter aircraft and a Bell AH-1G Cobra helicopter resulted in the deaths of all eight people on board during takeoff and landing operations.

Were there any fatalities in the 1971-03-17 Pilatus PC-6 (Porter & Turbo Porter) accident?

The accident was fatal, resulting in 6 fatalities.

What aircraft was involved and where did it happen?

The accident on 1971-03-17 involved a Pilatus PC-6 (Porter & Turbo Porter), registration N393R, operated by Air America, at Cần Thơ, Vietnam.

What was the probable cause of the accident?

The collision occurred when a climbing helicopter struck an approaching fixed-wing aircraft during simultaneous takeoff and landing operations.

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