Accident Piper PA-25-260 Pawnee N4766Y,
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ASN Wikibase Occurrence # 40252
 
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Date:Friday 17 July 1992
Time:21:20 LT
Type:Silhouette image of generic PA25 model; specific model in this crash may look slightly different    
Piper PA-25-260 Pawnee
Owner/operator:Air Aid, Inc.
Registration: N4766Y
MSN: L-11951-40AC
Total airframe hrs:6001 hours
Engine model:Lycoming O-540-GIA5
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Decker, IN -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Agricultural
Departure airport:Patoka, IN (IN30)
Destination airport:(IN30)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
PILOT STARTED PULL UP FOR REVERSAL TURN IN AERIAL APPLICATION MANEUVER. THE RIGHT WING SEPARATED FROM THE AIRPLANE. AIRPLANE CRASHED IN FIELD AND WAS CONSUMED BY POST CRASH FIRE. METALLURGICAL EXAMINATION REVEALED PREEXISTING FATIGUE CRACKS IN LOWER SPAR CAP OF THE RIGHT WING ORIGINATING FROM TWO MISDRILLED HOLES. AIRWORTHINESS DIRECTIVE TO INSPECT FOR WING SPAR FATIGUE CRACKS HAD NOT BEEN COMPLIED WITH.

Probable Cause: FAILURE OF THE RIGHT WING SPAR, IMPROPER MAINTENANCE/MODIFICATION, AND FAILURE TO COMPLY WITH AN AIRWORTHINESS DIRECTIVE.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: CHI92DEX03
Status: Investigation completed
Duration: 1 year
Download report: Final report

Sources:

NTSB CHI92DEX03

Location

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]
20-Feb-2020 10:13 BEAVERSPOTTER Updated [Cn]
10-Apr-2024 19:28 ASN Update Bot Updated [Time, Cn, Operator, Other fatalities, Source, Narrative, Category, Accident report]

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