ASN Wikibase Occurrence # 327212
Date: | Thursday 9 May 1985 |
Time: | 08:44 |
Type: | Consolidated PBY-5A Catalina |
Owner/operator: | Drilling Muds |
Registration: | N84857 |
MSN: | 1522 |
Total airframe hrs: | 1481 hours |
Engine model: | Pratt & Whitney R-1830-94 |
Fatalities: | Fatalities: 1 / Occupants: 3 |
Aircraft damage: | Substantial, written off |
Category: | Accident |
Location: | Lewistown Municipal Airport, MT (LWT) -
United States of America
|
Phase: | Standing |
Nature: | Survey |
Departure airport: | Lewistown Municipal Airport, MT (LWT/KLWT) |
Destination airport: | Reno/Tahoe International Airport, NV (RNO/KRNO) |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:During taxi to takeoff the brakes failed. The pilot attempted to groundloop the aircraft, which rolled down hill and collided with a gully. During preflight the co-pilot inadvertently added hydraulic fluid in the alcohol tank. The hydraulic pump cavitated.
PROBABLE CAUSE:
aircraft preflight..inadequate..pilot in command
hydraulic system..pressure too low
brakes(emergency)..not used..pilot in command
aircraft service..improper..copilot/second pilot
safety system(other)..not engaged
emergency procedure..not followed..pilot in command
supervision..poor..pilot in command
CONTRIBUTING FACTORS:
fluid,hydraulic..inadequate
acft/equip inadequate,visual restriction..copilot/second pilot
hydraulic system,reservoir..low level
window,inspection/observation..blocked(partial)
crew/group coordination..poor..pilot in command
anti-ice/deice system,propeller..unmarked
Sources:
NTSB
Location
Revision history:
Date/time | Contributor | Updates |
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