Riverton - Evanston

On July 30, 1978 at 10:00 AM, Riverton - Evanston experienced a crash involving Cessna 340, operated by Casper Air Service, with the event recorded near Riverton Wyoming.

The flight was categorized as charter/taxi (non scheduled revenue flight) and the reported phase was takeoff (climb) at a airport (less than 10 km from airport) crash site.

3 people were known to be on board, 0 fatalities were recorded, 3 survivors were identified or estimated. This corresponds to an estimated fatality rate of 0.0%.

Crew on board: 1, crew fatalities: 0, passengers on board: 2, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is technical failure. At liftoff, both engines lost power. The pilot elected to return but eventually decided to make an emergency landing. He was forced to make an evasive maneuver to avoid collision and completed a belly landing in an open field. The aircraft was destroyed and all three occupants were seriously injured.

Aircraft reference details include registration N1381G, MSN 340-0080, year of manufacture 1972.

Geospatial coordinates for this crash are approximately 43.0247°, -108.3807°.