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Last updated: 26 October 2021
Datum:Freitag 20 Juni 1969
Flugzeugtyp:Silhouette image of generic BE99 model; specific model in this crash may look slightly different
Beechcraft 99 Airliner
Fluggesellschaft:Cascade Airways
Kennzeichen: N2550A
Werknummer: U-106
Baujahr: 1969
Triebwerk: 2 Pratt & Whitney Canada PT6A-20
Besatzung:Todesopfer: 2 / Insassen: 2
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 2 / Insassen: 2
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Pasco-Tri-Cities Airport, WA (PSC) (   USA)
Flugphase: Anfangssteigflug (ICL)
Betriebsart:Inländischer außerplanmäßiger Passagierflug
Flug von:Pasco-Tri-Cities Airport, WA (PSC/KPSC), USA
Flug nach:Spokane International Airport, WA (GEG/KGEG), USA
The aircraft pitched up steeply after takeoff, lost control and crashed. The pitch trim was found in the full nose up position. The captain's seat was unlocked and fully aft.

Probable Cause:

pilot in command - inadequate preflight preparation and/or planning
copilot - improper operation of flight controls
copilot - failed to obtain/maintain flying speed



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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Pasco-Tri-Cities Airport, WA to Spokane International Airport, WA as the crow flies is 191 km (120 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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