ASN Wikibase Occurrence # 155224
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| Date: | Sunday 14 April 2013 |
| Time: | 10:20 |
| Type: |  ERCO 415-C Ercoupe |
| Owner/operator: | Private |
| Registration: | N87114 |
| MSN: | 287 |
| Year of manufacture: | 1946 |
| Total airframe hrs: | 1800 hours |
| Engine model: | Continental C85 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Three miles from Mesquite airport - 67L, Mesquite, NV -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Mesquite, NV (67L) |
| Ely, NV (KELY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The propeller departed the airplane during the initial climb following takeoff, and the pilot performed a forced landing into a rocky field. The airplane sustained substantial damage to the right wing and firewall during the accident sequence; the pilot was not injured.
The propeller and its associated hub mounting hardware were not recovered. The threaded portion of the crankshaft had been flattened by the propeller’s hub, indicating that the hub nut was in place but had backed off during the flight. The nut had backed off most likely because the incorrect torque had been applied during its reinstallation, about 40 flight hours before the accident flight.
Probable Cause: Separation of the propeller from the engine during initial climb due to the incorrect torque applied to the propeller hub nut during maintenance.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Apr-2013 11:27 | gerard57 | Added |
| 16-Apr-2013 17:27 | harro | Updated [Aircraft type] |
| 16-Apr-2013 23:40 | Geno | Updated [Time, Registration, Cn, Location, Departure airport, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 14:31 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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