Accident Boeing E75 N52124, Thursday 5 January 1989

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Date:	Thursday 5 January 1989
Time:	16:30 LT
Type:	Boeing E75
Owner/operator:	Private
Registration:	N52124
MSN:	75-8560
Engine model:	Continental W-670-6N
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Salisbury, NC - United States of America
Phase:	Landing
Nature:	Private
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING TAKEOFF FM A TOUCH-&-GO, THE ENG SPUTTERED, EMITTED BLACK SMOKE FM THE EXHAUST & HAD A PARTIAL PWR LOSS. THE PLT RPRTD THE ACFT WAS TOO FAR DOWN THE RWY TO ABORT, SO HE CONTD THE TAKEOFF. SUBSEQUENTLY, THE ACFT HIT A POLE NEAR THE DEP END OF THE RWY & WAS LANDED IN A FIELD. HARD BRAKING WAS USE TO AVOID OBJECTS WHILE LNDG & THE ACFT NOSED OVR. INV REVEALED A MIX OF AVGAS & AUTOGAS WAS USED. THE PLT SAID HE CLEARED THE ENG ON BASE LEG & THAT CARB HEAT WAS OFF MOMENTARILY WHEN HE APPLIED PWR FOR A GO-AROUND. SOOT WAS FND ON THE #3 & #5 SPARK PLUGS. ABT 60 MI WEST AT HICKORY, NC, THE 1400 EST TEMP & DEW POINT WERE 45 & 21 DEG. ACCORDING TO CARB ICE CHARTS, CONDITIONS WERE CONDUCIVE FOR CARB ICE WITH THE ENG OPERG AT GLIDE PWR. AN STC HAD BEEN DEVELOPED FOR USE OF AUTO FUEL IN W-670-6N ENGS.

Probable Cause: IMPROPER USE OF CARBURETOR HEAT BY THE PILOT, WHICH RESULTED IN CARBURETOR ICE. FACTORS RELATED TO THE ACCIDENT WERE: CARBURETOR ICING CONDITIONS AND OBSTRUCTION(S)/UTILITY POLE NEAR THE DEPARTURE END OF THE RUNWAY.

Accident investigation: