ASN Wikibase Occurrence # 358924
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| Date: | Friday 2 June 1995 |
| Time: | 19:40 LT |
| Type: |  Piper PA-18-150 |
| Owner/operator: | State Of Alaska |
| Registration: | N125FG |
| MSN: | 317482 |
| Total airframe hrs: | 5382 hours |
| Engine model: | LYCOMING O-320-A2B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sand Point, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Port Moller, AK |
| (KSDP) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT REPORTED HE HAD LANDED THE 29' TUNDRA TIRE EQUIPPED TAIL WHEEL AIRPLANE ON THE HARD SURFACED RUNWAY AND WAS SLOWING TO TAXI SPEED WHEN THE AIRPLANE SUDDENLY VEERED TO THE RIGHT. HE APPLIED FULL LEFT BRAKE AND RUDDER, BUT WAS UNABLE TO STRAIGHTEN THE AIRPLANE BEFORE THE LEFT MAIN LANDING GEAR COLLAPSED. SUBSEQUENT EXAMINATION OF THE TAILWHEEL STEERING MECHANISM FOUND THE ANTI-CASTORING LIMITS WERE BELOW THE MANUFACTURER'S RECOMMENDED BREAK FREE FORCE, WHICH ALLOWED THE AIRPLANE TO TURN FASTER AND MORE FREELY TO THE RIGHT THAN COMMANDED BY THE RUDDER CONTROL INPUTS. CONVERSATIONS WITH PILOTS WHO HAVE EXTENSIVE EXPERIENCE WITH TUNDRA TIRES DISCLOSED THAT AIRPLANES SO EQUIPPED ARE MUCH MORE DIFFICULT TO HANDLE ON HARD SURFACED RUNWAYS THAN AIRPLANES WITH CONVENTIONAL TIRES.
Probable Cause: The premature castoring of the tailwheel steering mechanism. A factor associated the accident is the added degree of difficulty in handling airplanes equipped with oversize 'tundra' tires.
Accident investigation:
 |
|
Sources:
NTSB ANC95TA067
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 19:41 | ASN Update Bot | Added |
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