Accident Cessna 404 N409EX, Monday 12 February 1990

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Date:	Monday 12 February 1990
Time:	18:30 LT
Type:	Cessna 404
Owner/operator:	Casper Air Service
Registration:	N409EX
MSN:	404-0436
Total airframe hrs:	6560 hours
Engine model:	Continental GTSIO-520-M
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Englewood, CO - United States of America
Phase:	Take off
Nature:	Unknown
Departure airport:	(KAPA)
Destination airport:	Rifle, CO (KRIL)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PILOT REPORTED THE NOSE GEAR COLLAPSED DURING TAKEOFF GROUND RUN AT 85 KNOTS. THE AIRPLANE SKIDDED 2,500 FEET ON RUNWAY 17L, BEFORE COMING TO REST ON THE ASPHALT RUNWAY. A POST-ACCIDENT INVESTIGATION FAILED TO REVEAL ANY EVIDENCE TO EXPLAIN THE REPORTED NOSE GEAR COLLAPSE. REPEATED GEAR RETRACTION AND EXTENSION TESTS FAILED TO DUPLICATE THE MALFUNCTION.

Probable Cause: THE COLLAPSE OF THE NOSE GEAR ASSEMBLY FOR UNDETERMINED REASONS.

Accident investigation: