Fatal mountain collision during uranium survey mission

3 fatalities • Manidar, Iran • Flight

A survey aircraft crashed into a mountainside during a low-visibility mission, resulting in the deaths of all three people on board.

What happened

During a geological survey operation intended to locate uranium deposits, an aircraft was navigating through a valley when it encountered deteriorating weather conditions. The crew faced significantly reduced visibility due to the presence of low-hanging clouds.

While operating in this environment, the pilot-in-command identified a mountain directly in the flight path and initiated a 180-degree turn to avoid the obstacle. During this maneuver, the aircraft type struck the terrain. The impact resulted in the total destruction of the plane. There were three fatalities among the occupants, with no survivors reported from the crew.

Findings

  • The mission was being conducted as a geo-survey for uranium.
  • Limited visibility caused by low clouds prevented the crew from maintaining safe clearance from terrain during the turn.

Probable cause

The aircraft struck a mountain while the pilot attempted an evasive maneuver in low-visibility conditions.

Frequently asked questions

What happened in the 1977-10-23 Douglas C-47 Skytrain (DC-3) accident near Manidar, Iran?

A survey aircraft crashed into a mountainside during a low-visibility mission, resulting in the deaths of all three people on board.

Were there any fatalities in the 1977-10-23 Douglas C-47 Skytrain (DC-3) accident?

The accident was fatal, resulting in 3 fatalities.

What aircraft was involved and where did it happen?

The accident on 1977-10-23 involved a Douglas C-47 Skytrain (DC-3), registration C-FSAW, operated by Geoterrex, at Manidar, Iran.

What was the probable cause of the accident?

The aircraft struck a mountain while the pilot attempted an evasive maneuver in low-visibility conditions.

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