ASN Wikibase Occurrence # 374191
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Date: | Wednesday 17 September 1986 |
Time: | 08:30 LT |
Type: | Piper PA-25-235 |
Owner/operator: | B & L Aviation, Inc. |
Registration: | N9513P |
MSN: | 257405600 |
Year of manufacture: | 1974 |
Total airframe hrs: | 1720 hours |
Engine model: | LYCOMING O-540-62C5 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Plymouth, NC -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | Plymouth, NC (KPMZ) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DURING A TURN TO REVERSE DIRECTION WHILE DISPERSING CHEMICALS OVER A PEANUT CROP, THE ENGINE LOST POWER. THE PILOT DUMPED THE LOAD OF CHEMICALS AND MADE A HARD FULL STALL FORCED LANDING IN THE PEANUT FIELD. INSPECTION OF THE ENGINE REVEALED THAT THE LEFT MAGNETO IMPULSE COUPLING HAD FAILED. THE COUPLING FRAGMENTS BECAME LODGED IN THE ACCESSORY CASE OF THE ENGINE AND SEPARATED THE CAMSHAFT DRIVE GEAR WHICH RENDERED THE ENGINE POWERLESS. AD78-09-07 R3 REQUIRES INSPECTION OF THE IMPULSE COUPLING AT INTERVALS NOT TO EXCEED 500 HOURS TIME IN SERVICE. AT THE TIME OF THE ACCIDENT THE SUBJECT MAGNETO HAD 576 HOURS TIME IN SERVICE AND HAD NOT BEEN INSPECTED.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ATL86LA261 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB ATL86LA261
Location
Revision history:
Date/time | Contributor | Updates |
28-Mar-2024 06:50 |
ASN Update Bot |
Added |
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