Aviation Accident Summaries

Aviation Accident Summary ANC83LA099

(N) SKWENTNA, AK, USA

Aircraft #1

N3991Q

CESSNA 185

Analysis

THE ACFT WAS GROUND LOOPED INTENTIONALLY TO PREVENT A COLLISION WITH PEOPLE OR BOATS. THE PILOT SAID HE HAD NO BRAKING ACTION DURING LANDING. HE BELIEVES SOMEONE LOOSENED THE PLUGS IN THE BOTTOM OF BOTH BRAKE CYLINDERS AND THESE PLUGS DROPPED OUT IN FLIGHT. HE SAID BOTH PLUGS WERE IN PLACE DURING PREFLIGHT AND BRAKING WAS GOOD WHILE TAXING FOR TAKEOFF. THE TAPPED THREADS FOR THOSE PLUGS WERE CLEAN AND SHINY DURING POST-ACCIDENT EXAMINATION.

 

Source: NTSB Aviation Accident Database

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