Accident Cessna 414 N1569T, Tuesday 23 October 1984

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Date:	Tuesday 23 October 1984
Time:	10:16 LT
Type:	Cessna 414
Owner/operator:	Medicla Air Rescue Co. Inc.
Registration:	N1569T
MSN:	414-0478
Year of manufacture:	1973
Total airframe hrs:	6200 hours
Engine model:	Lycoming TSIO-520NBCJ
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Cheyenne, WY - United States of America
Phase:	Approach
Nature:	Executive
Departure airport:	Rapid City, SD (KRAP)
Destination airport:	Cheyenne, WY (KCYS)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE ACFT COLLIDED WITH THE GROUND DURING A TURN TO FINAL FROM A CIRCLING APPROACH (IFR) AT CHEYENNE AIRPORT. ACCORDING TO ATC, THE ACFT WAS A VFR 'POP UP' & WAS SUBSEQUENTLY ISSUED AN IFR CLEARANCE FOR AN APPROACH INTO THE AIRPORT. EXAMINATION OF THE ACFT AT THE WRECKAGE SITE REVEALED A BUILD-UP OF MIXED RIME & CLEAR ICE ON THE ENG.

Probable Cause:

Accident investigation: