Accident Cessna 170B N3158A, Thursday 4 July 1991

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Date:	Thursday 4 July 1991
Time:	13:30 LT
Type:	Cessna 170B
Owner/operator:	Private
Registration:	N3158A
MSN:	25400
Engine model:	FRANKLIN 6A-350-C
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Prospect Creek, AK - United States of America
Phase:	En route
Nature:	Private
Departure airport:	Fairbanks, AK (FAI)
Destination airport:	Crevice Creek, AK
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
IN THE AREA OF A MOUNTAIN PASS, THE PILOT ENTERED CONDITIONS OF RAIN THAT QUICKLY TURNED TO CLOUDS AND INSTRUMENT CONDITIONS. HE ATTEMPTED A 180 DEGREE TURN BACK TO VFR CONDITIONS, BUT ENCOUNTERED RISING TERRAIN WHILE FLYING ABOVE THE TREETOPS. SUBSEQUENTLY, THE AIRCRAFT MUSHED INTO TREES AND CRASHED.

Probable Cause: CONTINUED VFR FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC) BY THE PILOT, AND HIS DELAY IN REVERSING COURSE (REMEDIAL ACTION). THE TERRAIN AND WEATHER CONDITIONS WERE RELATED FACTORS.

Accident investigation: