Accident Beechcraft C90 King Air N74CC, Tuesday 18 January 2000
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Date:Tuesday 18 January 2000
Type:Silhouette image of generic BE9L model; specific model in this crash may look slightly different    
Beechcraft C90 King Air
Owner/operator:Hart Corp. Delaware Div.
Registration: N74CC
MSN: LJ-620
Year of manufacture:1974
Total airframe hrs:9118 hours
Engine model:P&W PT6A-20
Fatalities:Fatalities: 4 / Occupants: 4
Other fatalities:0
Aircraft damage: Destroyed
Location:Somerset, KY -   United States of America
Phase: Approach
Departure airport:Columbus, OH (OSU)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The pilot requested and received clearance to execute the SDF approach, and was instructed to maintain 4,000 feet until established on the approach. Radar data revealed the airplane was never established on the approach, and started to descend before reaching the IAF. The airplane passed the IAF at 2,900 feet, and continued in a descending left hand turn into unprotected airspace. The airplane disappeared from radar at 1,900 feet, as it completed 180 degrees of turn. The turn did not match any of the four instrument approaches to the airport. The airplane struck a guy wire on a lighted communications antenna 3.3 MN southeast of the airport on a heading of 360 degrees. No evidence of a mechanical failure or malfunction of the airplane or its systems was found. A flight check by the FAA confirmed no navigation signal was received for the approach, which had been turned off and listed as out of service for over 4 years. In addition, the pilot did not report the lack of a navigation signal to ATC or execute a missed approach. Interviews disclosed the ATC controller failed to verify the approach was in service before issuing the approach clearance.
Probable Cause: the failure of the pilot to follow his approach clearance, and subsequent descent into unprotected airspace which resulted in a collision with the guy wire. Factors were the failure of the air traffic controller to verify the approach he cleared the pilot to conduct was in service, and the clouds which restricted the visibility of the communications antenna.

Accident investigation:
Investigating agency: NTSB
Report number: NYC00FA067
Status: Investigation completed
Download report: Final report



Revision history:

24-Oct-2008 10:30 ASN archive Added
12-Dec-2017 18:18 ASN Update Bot Updated [Time, Operator, Destination airport, Source, Narrative, ]

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