ASN Wikibase Occurrence # 40558
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Date: | Saturday 29 January 1983 |
Time: | 12:58 |
Type: | Mooney M20A |
Owner/operator: | William Laine Hobbie Ii |
Registration: | N8146E |
MSN: | 1417 |
Year of manufacture: | 1959 |
Total airframe hrs: | 2352 hours |
Fatalities: | Fatalities: 4 / Occupants: 4 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Prattville, AL -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Private |
Departure airport: | Auburn, AL |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE LEFT WING SEPARATED AS THE PLT BEGAN A PULL-UP AFTER A LOW PASS. THE SEPARATION POINT WAS IN THE WING ROOT WHERE THEMAIN SPAR HAD BEEN SECURED TO THE FUSELAGE WITH A METAL BRACKET. A BUTT SPLICE HAD BEEN MADE TO THE BOTTOM OF THE WING SPAR. THE FRACTURE AREA AT THE ROOT END OF THE MAIN WING SPAR WAS SOFT, DAMP & DISCOLORED COMPARED TO OTHER WOOD IN THE AREA. THE BUTT JOINT WAS LATER DETERMINED AS HAVING NO CAPABILITY FOR TRANSFERRING AXIAL STRESSES. THIS REPAIR WAS NOT DONE UNDER SUPERVISION OF A LICENSED MECHANIC. THE ACFT HAD OPERATED 40 HRS SINCE THE ANNUAL INSPECTION DATED 6/8/82. AD76-15-1 (INSPECTION OF THE WOOD WING) REQUIRES THAT THE WOOD WING BE INSPECTED IAW MOONEY SB M20-170A. CAUSE:
Sources:
NTSB:
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X41922 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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