ASN Wikibase Occurrence # 165921
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| Date: | Wednesday 30 April 2014 |
| Time: | 10:55 |
| Type: |  Aero Designs Pulsar XP |
| Owner/operator: | Private |
| Registration: | N452PC |
| MSN: | 452 |
| Year of manufacture: | 1998 |
| Total airframe hrs: | 811 hours |
| Engine model: | Rotax 912UL |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bremerton National Airport (KPWT), Bremerton, WA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Bremerton, WA (PWT) |
| Bremerton, WA (PWT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During takeoff, the builder/owner/pilot of the experimental kit-built airplane did not notice any abnormalities. While airborne, he received a radio call from personnel at the airport advising him that a nose landing gear wheel and tire assembly had been found on the runway; they stated that they believed it had separated from his airplane. The pilot flew back to the airport and conducted a low pass, and the airport personnel confirmed that the airplane was missing its nose gear wheel and tire assembly. After flying for about 30 minutes so appropriate emergency services preparations could be made, the pilot landed the airplane. During the landing roll, the airplane settled on its nose, which resulted in substantial damage to the firewall. Examination of the airplane revealed that the steel shaft that attached the nose gear fork to the gear leg and functioned as its pivot axis had failed in reverse (bi-directional) bending fatigue. The underlying reason(s) for the fatigue failure could not be not determined. The pilot reported that similar previous failures had occurred on this model airplane. Because the kit manufacturer was no longer in business, some airplane owners had developed their own modifications to the nose gear assembly, but the accident airplane’s nose gear had not been modified.
Probable Cause: Fatigue failure of the nose landing gear retention and pivot shaft, which resulted in the in-flight separation of the nose gear wheel and tire assembly.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-May-2014 00:26 | Geno | Added |
| 10-May-2014 03:03 | Geno | Updated [Time, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 14:03 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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