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ASN Wikibase Occurrence # 43618
Last updated: 29 October 2019
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Date:16-JAN-2008
Time:19:22
Type:Silhouette image of generic BE58 model; specific model in this crash may look slightly different
Beechcraft 58
Owner/operator:Aitheras Aviation Group
Registration: N3217L
C/n / msn: TH-1927
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Cleveland, OH -   United States of America
Phase: Initial climb
Nature:Ferry/positioning
Departure airport:Cleveland, OH (BKL)
Destination airport:Niagara Falls, NY (IAG)
Investigating agency: NTSB
Narrative:
The pilot was hired by the airplane operator for a positioning flight. The pilot departed at night in a northerly right turn over Lake Erie from a lake shore airport. The moon and city associated with the airport were south of his flight path. The airplane was observed descending in the right hand turn and subsequently impacting the lake. An examination of the recovered wreckage revealed no preimpact anomalies, and an engine monitor recorded sensor readings consistent with both engines being at a high power until the recorded data stopped. The pilot had a history of back pain and had been regularly and recently using a potentially sedating muscle relaxant, which could cause impairment. He had heart disease identified during the autopsy that may have increased his risk of sudden cardiac death. He was also at high risk for obstructive sleep apnea, which commonly causes fatigue and cognitive impairment; however, the investigation could not conclusively identify that the pilot was impaired. The maneuvering of the aircraft and lack of outside visual references soon after takeoff made the situation conducive to spatial disorientation.
Probable Cause: The pilot experienced spatial disorientation during the inital climb causing him to lose control of the airplane.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20080122X00085&key=1


Revision history:

Date/timeContributorUpdates
28-Oct-2008 00:45 ASN archive Added
02-Feb-2010 10:58 PL Updated [Cn]
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
03-Dec-2017 09:26 ASN Update Bot Updated [Operator, Other fatalities, Destination airport, Source, Narrative]

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