ASN Wikibase Occurrence # 37268
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Date: | Thursday 17 March 1988 |
Time: | 12:41 |
Type: | Beechcraft V35B Bonanza |
Owner/operator: | private |
Registration: | N4103A |
MSN: | D-9116 |
Total airframe hrs: | 2823 hours |
Engine model: | CONTINENTAL IO-520-BA |
Fatalities: | Fatalities: 1 / Occupants: 3 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Oildale, CA -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Ducor, CA |
Destination airport: | Fullerton, CA (FUL) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:AFTER DEPARTURE, UPON REACHING 6,500 FT MSL, A PROPELLER BLADE SEPARATED FOLLOWED BY THE ENTIRE PROPELLER ASSY. THE ENGINE MOUNTS BROKE MAKING CONTROL OF THE AIRPLANE DIFFICULT. THE AIRPLANE COLLIDED WITH THE SIDE OF A HILL DURING THE ENSUING FORCED LANDING. METALLURGICAL EXAMINATION OF THE SEPARATED PROPELLER BLADE DISCLOSED HIGH FREQUENCY, LOW AMPLITUDE FATIGUE. THE FATIGUE WAS NOT DUE TO ANY PRE-EXISTING CRACKS OR MATERIAL FAILURE. THE ENGINE MOUNTS WERE EXCEEDINGLY WORN. THE REMANUFACTURED ENGINE WAS INSTALLED IN THE AIRPLANE 1 YEAR BEFORE THE ACCIDENT AND HAD ACCUMULATED 108.6 HOURS. THE OWNER/PILOT DID NOT OVERHAUL THE PROPELLER ON THE ADVICE OF THE FBO CHIEF INSPECTOR. THE PROPELLER EXCEEDED THE MANUFACTURERS RECOMMENDED OVERHAUL PERIOD BY 5 YEARS AT THE TIME THE ENGINE WAS INSTALLED. CAUSE: IMPROPER MAINTENANCE GIVEN BY THE FIXED BASED OPERATOR.
Sources:
NTSB:
https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X25267 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:23 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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