Aviation Accident Summary DEN85FA131

LEWISTOWN, MT, USA

Aircraft #1

N84857

Consolidated-Vultee PBY-5A

Analysis

DURING TAXI TO TAKEOFF THE BRAKES FAILED. THE PLT ATTEMPTED TO GROUNDLOOP THE ACFT. THE ACFT ROLLED DOWN HILL AND COLLIDED WITH A GULLY. THE PLT WAS FATALLY INJURED. DURING PREFLIGHT THE CO-PLT INADVERTENTLY ADDED HYDRAULIC FLUID IN THE ALCOHOL TANK. THE HYDRAULIC PUMP CAVITATED. THE PLT FAILED TO USE THE HYDRAULIC EMERGENCY HAND PUMP OR THE A.C. ELECTRIC PUMP.

 

Source: NTSB Aviation Accident Database

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