ASN Wikibase Occurrence # 43086
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Date: | Thursday 5 January 1995 |
Time: | 18:35 |
Type: | Beechcraft A60 Duke |
Owner/operator: | private |
Registration: | N3LP |
MSN: | P-242 |
Year of manufacture: | 1973 |
Fatalities: | Fatalities: 3 / Occupants: 3 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Hurley, NM -
United States of America
|
Phase: | En route |
Nature: | Executive |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DURING CLIMB TO CRUISE THE PILOT REPORTED A POWER LOSS ON ONE ENGINE AND RECEIVED VECTORS FOR A RETURN TO THE DEPARTURE AIRPORT. THE PILOT WAS SUBSEQUENTLY CLEARED FOR THE VOR-A APPROACH AND REPORTED INTERCEPTING THE INBOUND RADIAL. THE IMPACT SITE WAS RIGHT OF THE INBOUND RADIAL AND SHORT OF THE EXTENDED RUNWAY CENTERLINE. WEATHER AT THE AIRPORT WAS VFR. POST IMPACT FIRE DAMAGED THE AIRPLANE. THE LEFT ENGINE PROPELLER WAS IN THE FEATHER POSITION. VISUAL AND METALLURGICAL EXAMINATION CONFIRMED THE TURBOCHARGER SHAFT SEPARATED DUE TO FATIGUE. THE SHAFT CONTAINED CHROMIUM. THE AIRCRAFT OVERHAUL MANUAL STATES THAT 'CHROME PLATING...RESTORATION OF THE SHAFT...ARE NOT PERMITTED.' METALLOGRAHICS REVEALED A MICROSTRUCTURE OF GREY IRON (AUTOMOTIVE APPLICATION) IN THE CENTER HOUSING. THE TURBOCHARGER WAS OVERHAULED AND INSTALLED ON THE LEFT ENGINE IN OCTOBER 1989. CAUSE: The pilot's failure to maintain airspeed during a single engine approach resulting in an inadvertent stall. Factors were a fatigue separation of a shaft in the left engine turbocharger due to use of a Federal Aviation Administration approved overhaul procedure that was not consistent with the manufacturer's overhaul procedure, and the resultant loss of power to the left engine.
Sources:
NTSB:
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001207X02848 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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