Accident Cessna 421C N124RS, Saturday 16 November 1985

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Date:	Saturday 16 November 1985
Time:	15:45 LT
Type:	Cessna 421C
Owner/operator:	Recreational Sports & Imports
Registration:	N124RS
MSN:	421C0673
Total airframe hrs:	1170 hours
Engine model:	Continental GTSIO-520-L
Fatalities:	Fatalities: 0 / Occupants: 5
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Idaho Falls, ID - United States of America
Phase:	Approach
Nature:	Executive
Departure airport:	Seattle, WA (KBFI)
Destination airport:	Idaho Falls, ID (KIDA)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING INITIAL APCH INFLIGHT ICING WAS ENCOUNTERED. THE WINDSCREEN FAILED TO HEAT DUE TO AN INOPERATIVE INVERTER. A SMALL AREA ON THE RIGHT BOTTOM PORTION OF THE WINDSCREEN DE-ICED DUE TO DEFROST HEAT. THE PLT ELECTED TO LAND USING THE SMALL CLEAR AREA OF THE WINDSCREEN FOR OUTSIDE REFERENCE. A HARD LANDING RESULTED FROM A LOSS OF DEPTH PERCEPTION.

Probable Cause:

Accident investigation: