Aviation Accident Summaries

Aviation Accident Summary SEA89LA066

INDEPENDENCE, OR, USA

Aircraft #1

N504JT

THIESSEN RV-4

Analysis

THE PLT HAD INSTALLED A USED 'SCIMITAR' PROP WHILE WAITING FOR HIS TO BE REFINISHED. DURING A SPEED RUN AT 190 MPH, WITH ABOUT 2900 RPM, PART OF PROP SEPARATED. THE PLT SHUT DOWN THE ENG & INITIATED AN EMERGENCY LANDING. HOWEVER, WHILE MANEUVERING TO AVOID WIRES, AT ABOUT 25 TO 50 FT AGL, THE ACFT STALLED, THEN MUSHED INTO THE GROUND.

Probable Cause and Findings

FAILURE OF THE PROPELLER. A RELATED FACTOR WAS THE OBSTRUCTION (TRANSMISSION LINE) IN THE EMERGENCY LANDING AREA.

 

Source: NTSB Aviation Accident Database

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