ASN Wikibase Occurrence # 38266
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| Date: | Wednesday 25 May 1988 |
| Time: | 21:06 |
| Type: |  Cessna 402B |
| Owner/operator: | Napier Air Service |
| Registration: | N8493A |
| MSN: | 402B0236 |
| Total airframe hrs: | 5672 hours |
| Engine model: | CONTINENTAL TSIO-520-E |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | West Columbia, SC -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | |
| Atlanta, GA (ATL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE USED ABOUT 1/2 OF THE 8,602 FT RWY FOR THE T/O ROLL. AFTER T/O IT PITCHED NOSE-DOWN BRIEFLY OVER THE RWY DURING INIT CLIMB. THE PLT RADIOED THAT HE WAS HAVING A PROBLEM WITH THE ELEVATOR WHICH REQUIRED 'FULL BACK PRESSURE' TO KEEP THE NOSE UP, AND THAT HE WAS RETURNING TO LAND. AFTER MANEUVERING AROUND THE airport, THE ACFT PITCHED 70-80 DEG NOSE DN AND DOVE INTO TERRAIN OFF THE APPCH END OF THE RWY. THE WRECKAGE EXAM REVEALED THAT THE BOLT SECURING THE ELEVATOR TRIM TAB PUSHROD TO THE ACTUATOR WAS MISSING. THE ROD HAD BECOME WEDGED INSIDE THE ELEVATOR WHICH RESULTED IN AN EXTREME TAB UP (NOSE DN) CONDITION. THE ACFT UNDERWENT AN ANNUAL INSP 2 DAYS/5 FLT HRS EARLIER. THE IA MECH reported THAT NO MAINT WAS PERFORMED ON THE TAB SYS, AND THAT HE WAS CERTAIN THE BOLT WAS PROPERLY SAFETIED. ANOTHER PLT WHO FLEW THE ACFT THE DAY OF THE ACCIDENT reported THAT HE FOUND THE PUSHROD TO BE SECURE DURING HIS PREFLT INSP. THE 402B POH INDICATED THAT THE ACFT SHOULD HAVE REQ ABOUT 1,200 FT FOR THE T/O GROUND ROLL. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X25601
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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