Aviation Accident Summaries

Aviation Accident Summary SEA92LA131

CORBETT, OR, USA

Aircraft #1

N6470M

STINSON 108-3

Analysis

AFTER TAKING OFF FROM ROUGH WATER, AND CLIMBING TO ABOUT 200 FEET ABOVE THE RIVER, THE PILOT OF THE STINSON FLOATPLANE HEARD A LOUD POP IN THE RIGHT FRONT AREA OF THE AIRCRAFT. THIS WAS FOLLOWED BY A SEVERE VIBRATION, AND BY THE PILOT'S DECISION TO MAKE A PRECAUTIONARY LANDING. THE PILOT, WHO DID NOT REALIZE THAT THE FLOATS HAD SEPARATED FROM THE AIRPLANE, ATTEMPTED A NORMAL WATER LANDING, WHEREUPON THE AIRCRAFT FUSELAGE IMPACTED THE WATER AND ULTIMATELY SANK.

Probable Cause and Findings

THE FAILURE OF THE FLOAT ATTACH FITTING, AND THE SEPARATION OF THE FLOATS FROM THE AIRCRAFT.

 

Source: NTSB Aviation Accident Database

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