ASN Wikibase Occurrence # 364821
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| Date: | Sunday 28 July 1991 |
| Time: | 11:00 LT |
| Type: |  Grumman G-164B Ag-Cat |
| Owner/operator: | W.m. Melancon Enterprises, Inc |
| Registration: | N573AF |
| MSN: | 573B |
| Year of manufacture: | 1979 |
| Engine model: | P&W R-1340-AN1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Donaldsonville, LA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT EXPERIENCED A SEVERE ENGINE VIBRATION WHILE CONDUCTING AERIAL APPLICATION. THE VIBRATION WAS DUE TO THE FAILURE OF A BLADE PITCH POSITIONING BOLT WHICH RENDERED THE PROPELLER UNCONTROLLABLE. THE PILOT EXECUTED A FORCED LANDING AND COLLIDED WITH A DRAINAGE DITCH DURING THE LANDING ROLLOUT.
Probable Cause: THE MECHANICAL FAILURE OF THE PROPELLER BLADE PITCH POSITIONING BOLT. A FACTOR WAS THE LACK OF SUITABLE TERRAIN AVAILABLE FOR THE FORCED LANDING.
Accident investigation:
 |
|
Sources:
NTSB FTW91DRD07
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 19:11 | ASN Update Bot | Added |
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