ASN Wikibase Occurrence # 298137
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| Date: | Friday 18 August 2017 |
| Time: | 10:45 LT |
| Type: |  Piper PA-18-150 |
| Owner/operator: | U.S. Department of Agriculture APHIS |
| Registration: | N82912 |
| MSN: | 18-7709195 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 10623 hours |
| Engine model: | Lycoming O-360-C4P |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sweetwater, TX -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Snyder-Winston Field, TX (SNK/KSNK) |
| Sweetwater Airport, TX (SWW/KSWW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot of the tailwheel-equipped airplane stated that he intended to make a wheel landing with the flaps fully extended following the positioning flight. He stated that he felt a "little bump" shortly after the airplane touched down on the right main landing gear (MLG), and the airplane began to swerve left. The pilot reported that he was unable to regain directional control with full right rudder and right brake inputs. The airplane continued to swerve left and departed the left runway edge; the right MLG collapsed after it entered soft terrain. The airplane came to rest heading about 180° opposite the intended runway heading. The airplane sustained substantial damage to the right wing, both main wing spars, and the right elevator.
Postaccident examination of the airplane revealed several damaged MLG components. Laboratory examination of the damaged MLG components did not identify any evidence of preexisting damage or cracks. The damaged MLG brace tubes and the piston inside the right hydrasorb shock unit had fractured from overstress. The overall damage to the MLG was consistent with a hard landing. It is likely that the internal piston shaft of the right hydrasorb shock unit failed first in bending overstress during the hard landing, which was followed by the overstress failure of both the left and right MLG brace tubes.
Probable Cause: The pilot's improper landing flare, which resulted in a hard landing and the overstress failure of the right main landing gear.
Accident investigation:
 |
|
Sources:
NTSB CEN17LA324
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 13:34 | ASN Update Bot | Added |
| 12-Nov-2022 02:13 | Ron Averes | Updated [Operator, Location, Narrative] |
Corrections or additions? ... Edit this accident description
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