Accident Van's RV-4 N504JT, Thursday 6 April 1989

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Date:	Thursday 6 April 1989
Time:	19:15 LT
Type:	Van's RV-4
Owner/operator:	Jacob Thiessen
Registration:	N504JT
MSN:	RV-4
Total airframe hrs:	55 hours
Engine model:	Lycoming O-320-E2D
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Independence, OR - United States of America
Phase:	En route
Nature:	Unknown
Departure airport:	(7S5)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

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

Accident investigation: