ASN Wikibase Occurrence # 376947
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Date: | Saturday 22 June 1985 |
Time: | 08:30 LT |
Type: | Grumman G-164A Ag-Cat |
Owner/operator: | Private |
Registration: | N5337 |
MSN: | 628 |
Total airframe hrs: | 4102 hours |
Engine model: | P&W R-985-AN1 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Deming, NM -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | Deming, NM |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PLT TOLD FAA HE WAS SPRAYING A COTTON FIELD AND WAS TURNING AROUND FROM A SWATH RUN WHEN THE PROPELLER FEATHERED. THE PLT TOLD NTSB THAT THE ACFT 'PITCHED UPWARD AND LOST POWER.' ACFT TYPE CERTIFICATE SHOWS THAT A HAMILTON STANDARD PROPELLER M/N 2D30/6101A-12-13-14 IS INSTALLED. PROPELLER REMOVED FROM ACFT WAS A HARTZELL M/N HCB3W30-2B, AN UNAPPROVED INSTALLATION. PROP DISASSEMBLY REVEALED A SPACER HAD BEEN PLACED IN RING ASSEMBLY, MAKING IT IMPOSSIBLE FOR PROP TO FEATHER. BLADE CLAMPS INSIDE PROP HUB WEE BROKEN. NO. 1 BLADE WAS IN FEATHERED POSITION, NO. 2 BLADE WAS NEAR FEATHER, AND NO. 3 BLADE WAS PAST FEATHER. THERE WAS NO EVIDENCE OF AN OIL LOSS OR PROP GOVERNOR FAILURE/MALFUNCTION.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | DEN85LA173 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB DEN85LA173
Location
Revision history:
Date/time | Contributor | Updates |
30-Mar-2024 06:40 |
ASN Update Bot |
Added |
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