ASN Aircraft accident de Havilland Canada DHC-6 Twin Otter 100 N7705 Champaign-Willard University Airport, IL (CMI)
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Status:Accident investigation report completed and information captured
Date:Monday 26 March 1973
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 100
Operator:Air Central
Registration: N7705
MSN: 5
First flight: 1966
Engines: 2 Pratt & Whitney Canada PT6A-20
Crew:Fatalities: 1 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 1 / Occupants: 1
Aircraft damage: Damaged beyond repair
Location:Champaign-Willard University Airport, IL (CMI) (   United States of America)
Phase: Initial climb (ICL)
Departure airport:Champaign-Willard University Airport, IL (CMI/KCMI), United States of America
Destination airport:Chicago (unknown airport), IL, United States of America
The Twin Otter lost control and crashed shortly after takeoff. It appeared that the gust lock was still engaged.

Probable Cause:

pilot in command - inadequate preflight preparation and/or planning
miscellaneous acts,conditions - gust locks engaged
weather - unfavorable wind conditions
weather briefing - briefed by flight service personnel, by phone
weather forecast - forecast substantially correct

Locked rudders/ailerons/gustlock
Loss of control



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This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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