Flugunfall 09 JUL 1966 einer Martin 4-0-4 N40446 - Roanoke Municipal Airport, VA (ROA)
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Status:Accident investigation report completed and information captured
Datum:Samstag 9 Juli 1966
Flugzeugtyp:Silhouette image of generic M404 model; specific model in this crash may look slightly different
Martin 4-0-4
Fluggesellschaft:Piedmont Airlines
Kennzeichen: N40446
Werknummer: 14238
Baujahr: 1952
Besatzung:Todesopfer: 0 / Insassen: 4
Fluggäste:Todesopfer: 0 / Insassen: 38
Gesamt:Todesopfer: 0 / Insassen: 42
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Roanoke Municipal Airport, VA (ROA) (   USA)
Flugphase: Stehendes (STD)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Roanoke Municipal Airport, VA (ROA/KROA), USA
Flug nach:?
The landing gear retracted while parked on the apron.

Probable Cause:

personnel - maintenance,servicing,inspection: improper maintenance (maintenance personnel)
systems - hydraulic system: reservoir,lines,fittings
airframe - landing gear: switches,levers,cranking mechanism,etc.
miscellaneous acts, conditions - disregard of good operating practice

» NTSB File #1-0042


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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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