ASN Wikibase Occurrence # 361922
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| Date: | Wednesday 9 June 1993 |
| Time: | 12:12 LT |
| Type: |  Cessna 172 |
| Owner/operator: | Private |
| Registration: | N6446B |
| MSN: | 17229646 |
| Total airframe hrs: | 6161 hours |
| Engine model: | CONTINENTAL O-300A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Canyon Lake, TX -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (34TS) |
| (34TS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT STATED THAT DURING THE RUN UP, HE MOVED HIS SEAT BACK TO SECURE ONE OF THE DOORS AND THEN READJUSTED HIS SEAT TO ITS ORIGINAL POSITION. SHORTLY AFTER LIFTOFF, THE SEAT TRAVELED AFT AND THE PILOT LOST CONTROL OF THE AIRPLANE. IT SUBSEQUENTLY IMPACTED TREES IN A NOSE DOWN ATTITUDE OFF ONE SIDE OF THE RUNWAY. EXAMINATION OF THE SEAT LATCHING MECHANISM REVEALED THAT IT WAS INTACT, AS WERE THE SEAT TRACKS. EXAMINATION OF THE LATCHING HOLES INDICATED THAT THEY WERE ELONGATED AND SCRAPE MARKS WERE EVIDENT BETWEEN THE HOLES. THE END OF THE LATCHING PIN WAS ROUNDED. THE SEAT LATCHING MECHANISM SUBSEQUENTLY OPERATED NORMALLY. THE SEAT LATCH AD INSPECTION HAD LAST BEEN PERFORMED TWO YEARS PRIOR TO THE ACCIDENT.
Probable Cause: THE MOVEMENT OF THE PILOT'S SEAT AFT WHICH RESULTED IN HIS LOSS OF CONTROL, HIS INABILITY TO REGAIN CONTROL, AND THE ENSUING INADVERTENT STALL. A FACTOR WAS THE INADEQUATE INSPECTION OF THE AIRPLANE.
Accident investigation:
 |
|
Sources:
NTSB FTW93LA184
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 15:52 | ASN Update Bot | Added |
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