ASN Wikibase Occurrence # 355048
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| Date: | Friday 7 November 1997 |
| Time: | 18:15 LT |
| Type: |  Cessna 421A |
| Owner/operator: | Robert Henry Lussow |
| Registration: | N2957Q |
| MSN: | 421A00057 |
| Engine model: | Continental GTISO 520H |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tomahawk, WI -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | (WI46) |
| Poplar Grove, IL (C77) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On climb out at 11,000 feet at 700 feet per minute rate of climb on autopilot, the pilot heard a loud bang and felt a 'rapid vibration in the control yoke.' The pilot reported pitch trim was not available and said he checked the engines for proper operations. The flight landed without further incident. Examination of the aircraft revealed substantial damage to the right elevator and trim tab. The rear trim tab linkage bolt was missing and there was little damage to the yoke or trim tab bushing. Paint transfer marks were found on the trim tab from the elevator. An undersized cotter pin was found in the forward linkage bolt.
Probable Cause: the elevator trim tab bolt backed out, allowing the trim tab to flutter, and destroy the elevator. The factors involved were improper annual inspection by the maintenance personnel, and the inadequate aircraft preflight done by the pilot.
Accident investigation:
 |
|
Sources:
NTSB CHI98LA032
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 07:23 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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