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ASN Wikibase Occurrence # 43086
Last updated: 26 November 2019
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Date:05-JAN-1995
Time:18:35
Type:Silhouette image of generic BE60 model; specific model in this crash may look slightly different
Beechcraft A60 Duke
Owner/operator:private
Registration: N3LP
C/n / msn: P-242
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Hurley, NM -   United States of America
Phase: En route
Nature:Executive
Departure airport:
Destination airport:
Investigating agency: NTSB
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

Safety recommendations:

Safety recommendation A-96-124 issued 14 November 1996 by NTSB to FAA
Safety recommendation A-96-125 issued 14 November 1996 by NTSB to FAA
Safety recommendation A-96-126 issued 14 November 1996 by NTSB to FAA
Safety recommendation A-96-127 issued 14 November 1996 by NTSB to FAA


Revision history:

Date/timeContributorUpdates
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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