ASN Wikibase Occurrence # 284468
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| Date: | Wednesday 8 August 2007 |
| Time: | 16:27 LT |
| Type: |  Cessna A185F Skywagon |
| Owner/operator: | U.S. Department of the Interior |
| Registration: | N720 |
| MSN: | 18504334 |
| Year of manufacture: | 1982 |
| Total airframe hrs: | 2754 hours |
| Engine model: | Continental IO-520D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bethel, AK -
 United States of America
|
| Phase: | Unknown |
| Nature: | Ferry/positioning |
| Departure airport: | Bethel Airport, AK (BET/PABE) |
| Bethel , AK (Z58) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was repositioning a float-equipped airplane to its mooring site after a 100-hour inspection. About 2 minutes after departure, the pilot reported a loss of engine power, and selected a small pond as a forced landing site. After touchdown on the pond, the airplane collided with the shoreline and nosed over. The airplane sustained substantial damage to the left wing, right wing lift strut, empennage, and fuselage. A postaccident inspection of the airplane revealed that the fuel selector handle had been inadvertently reinstalled incorrectly during the recent 100-hour inspection, and when the fuel tank selector handle was placed in the "Both" position, it actually turned the fuel supply off. Investigation revealed slight wear to the keyed cog of the fuel selector valve handle (female receptacle), as well as slight wear to the fuel selector valve connection point (male receptacle). The combined wear patterns of both the fuel selector valve handle and the fuel selector valve connection point allowed the installation of the fuel selector handle 180 degrees from its correct position. When a new fuel selector valve handle was fitted onto the valve connection point, it could only be installed in the correct position, and not 180 degrees from the correct installation.
Probable Cause: The improper [reversed] installation of the fuel selector handle by maintenance personnel.
Accident investigation:
 |
|
Sources:
NTSB ANC07LA077
History of this aircraft
Other occurrences involving this aircraft
| 5 October 2001 | N9344N | Office Of Aircraft Services | 0 | Bethel, Alaska | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Sep-2022 17:13 | ASN Update Bot | Added |
| 31-May-2023 09:37 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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