Accident Beechcraft C90 King Air N21SP,
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ASN Wikibase Occurrence # 17703
 
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Date:Friday 25 April 2008
Time:11:23
Type:Silhouette image of generic BE9L model; specific model in this crash may look slightly different    
Beechcraft C90 King Air
Owner/operator:United States Marine Corps (USMC)
Registration: N21SP
MSN: LJ-630
Year of manufacture:1974
Engine model:Pratt & Whitney PT-6A-20
Fatalities:Fatalities: 0 / Occupants: 6
Aircraft damage: Substantial
Category:Accident
Location:Baton Rouge Metropolitan Airport, Baton Rouge, Louisiana -   United States of America
Phase: Landing
Nature:Private
Departure airport:Baton Rouge Metropolitan Airport, LA (BTR/KBTR)
Destination airport:Baton Rouge Metropolitan Airport, LA (BTR/KBTR)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The private pilot was landing at the airport when the airplane's right main landing gear collapsed. A preexisting fracture with corrosion was discovered on the right main landing gear torque knee. The main landing gear upper and lower torque knees require an inspection every 1,000 hours by airworthiness directive. Compliance with the airworthiness directive was not maintained and the airplane was allowed to operate without an inspection.
Probable Cause: Structural failure of the right main landing gear torque knee. A contributing factor was the failure to inspect the torque knee at the designated interval.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: DFW08TA128
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB

Location

Revision history:

Date/timeContributorUpdates
07-May-2008 23:41 Fusko Added
21-Dec-2016 19:14 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:16 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:20 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
03-Dec-2017 10:44 ASN Update Bot Updated [Cn, Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]
12-Sep-2022 10:03 Nepa Updated [Operator, Departure airport, Destination airport, Operator]

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