ASN Wikibase Occurrence # 43918
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| Date: | Thursday 14 December 2006 |
| Time: | 13:10 |
| Type: |  Cessna 310Q |
| Owner/operator: | Private |
| Registration: | N8FH |
| MSN: | 310Q1035 |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 3950 hours |
| Engine model: | Continental IO-470 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Montgomery, NY -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Montgomery, NY (MGJ) |
| Morristown, NJ (MMU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The accident flight was the airplane's first flight after an annual inspection was completed. After takeoff, the airplane's pitch oscillated as it climbed approximately 200 to 500 feet agl. The airplane then made a left turn, descended, and impacted trees upright. Review of maintenance records, and an interview with a mechanic that worked on the airplane, revealed that the airplane's elevator trim actuator was removed and replaced as part of the maintenance associated with the annual inspection. In total, four mechanics worked on the airplane, one of which held and inspector authorization (IA), and endorsed the aircraft logbooks at the completion of the annual inspection. Examination of the right horizontal stabilizer revealed that the upper elevator trim cable crossed the lower elevator trim cable as they traveled from the elevator trim actuator, to the pulley located at the center of the empennage. Review of a Cessna Aircraft Company Illustrated Parts Catalog revealed that there should be no crossing of the elevator trim cables traveling from the elevator trim actuator, to the pulley at the center of the empennage. In addition, the elevator trim tab was found in the full (10-degree) nose down position.
Probable Cause: Improper maintenance performed on the airplane by maintenance personnel, and the failure of the mechanic with an inspection authorization (IA) to verify the maintenance work performed, which resulted in a reverse elevator trim system, and subsequent loss of control and collision with trees during the initial climb from takeoff.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20061221X01825&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 05-Dec-2017 09:30 | ASN Update Bot | Updated [Operator, Other fatalities, Source, Narrative] |
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