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| Date: | Thursday 13 July 1995 |
| Time: | 18:30 LT |
| Type: |  de Havilland Canada DHC-3 Otter |
| Owner/operator: | Taquan Air Service |
| Registration: | N472PM |
| MSN: | 419 |
| Total airframe hrs: | 4596 hours |
| Engine model: | P&W R-1340 |
| Fatalities: | Fatalities: 0 / Occupants: 8 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Ketchikan, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | , AK (KKTN) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT HAD JUST COMPLETED A CLIMBOUT AND WAS ADJUSTING THE TRIM FOR LEVEL FLIGHT, WHEN THE AIRPLANE BEGAN VIBRATING. HE LANDED IMMEDIATELY. EXAMINATION SHOWED THAT A PORTION OF THE ELEVATOR SERVO TAB HAD SEPARATED. EXAMINATION OF THE REMAINING SECTION OF THE SERVO TAB SHOWED THAT THERE WERE CRACKS IN THE TRAILING EDGE. THE DIRECTOR OF MAINTENANCE REPORTED THAT WHEN THE AIRCRAFT WAS PARKED, THE TAIL WAS ABOUT 10 TO 11 FEET ABOVE THE GROUND AND WOULD HAVE BEEN DIFFICULT TO INSPECT DURING PREFLIGHT.
Probable Cause: THE CRACKS IN THE TRAILING EDGE OF THE ELEVATOR SERVO TAB, WHICH RESULTED IN ITS SUBSEQUENT FAILURE AND PARTIAL SEPARATION.
Accident investigation:
 |
|
Sources:
NTSB ANC95LA103
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 16:47 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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