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ASN Wikibase Occurrence # 34960
Last updated: 3 June 2020
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Type:Silhouette image of generic C320 model; specific model in this crash may look slightly different
Cessna 320C
Owner/operator:Northwest Aerial Photo
Registration: N78KA
C/n / msn: 320C0014
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Winslow, ME -   United States of America
Phase: En route
Departure airport:Old Towne, ME (OLD)
Destination airport:Syracuse, NY (SYR)
Investigating agency: NTSB
The airplane was cruising at 18,000 feet msl when radar and radio communication were lost. Radar data indicated the airplane made a 180 degree turn before impacting in a river. Witnesses reported that they heard the airplane, then saw it spiraling through the clouds. Postaccident examination of the airplane revealed no evidence of a preimpact anomaly. Weather data indicated a temperature of minus 9 to 10 degrees Celsius at 18,000 feet msl and a freezing level at 9,000 to 13,000 feet msl. An airmet (Zulu Update 3) was in effect for icing and freezing level conditions, which pertained to the route of flight, and there were numerous pilot reports of icing conditions in the vicinity of the accident. The pilot requested and obtained an abbreviated preflight weather briefing, and he was advised by ATC of information in the airmet. According to the owner's manual, pilots of this make/model airplane should avoid icing conditions whenever possible. The airplane was not equipped with deicing equipment, and the pitot heat switch was found in the off position. CAUSE: the pilot's continued flight into known adverse weather conditions, and his loss of aircraft control, which resulted in an uncontrolled descent into terrain (river). The known icing condition was a related factor.



Revision history:

24-Oct-2008 10:30 ASN archive Added

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