ASN logo
ASN Wikibase Occurrence # 40558
Last updated: 31 August 2019
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Date:29-JAN-1983
Time:12:58
Type:Silhouette image of generic M20P model; specific model in this crash may look slightly different
Mooney M20A
Owner/operator:William Laine Hobbie Ii
Registration: N8146E
C/n / msn: 1417
Fatalities:Fatalities: 4 / Occupants: 4
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
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
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

Safety recommendations:

Safety recommendation A-84-87 issued 15 August 1984 by NTSB to FAA
Safety recommendation A-84-88 issued 15 August 1984 by NTSB to FAA
Safety recommendation A-84-89 issued 15 August 1984 by NTSB to FAA
Safety recommendation A-84-90 issued 15 August 1984 by NTSB to FAA
Safety recommendation A-84-91 issued 15 August 1984 by NTSB to FAA
Safety recommendation A-84-92 issued 15 August 1984 by NTSB to FAA


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

Corrections or additions? ... Edit this accident description