ASN Wikibase Occurrence # 355931
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| Date: | Saturday 3 May 1997 |
| Time: | 19:00 LT |
| Type: |  Avid Flyer |
| Owner/operator: | Robert Hammer |
| Registration: | N525BB |
| MSN: | 525 |
| Total airframe hrs: | 260 hours |
| Engine model: | Rotax 618 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chitina, AK -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (KCXC) |
| Mccarthy, AK (15Z) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was departing in a homebuilt airplane from a remote airstrip. After departure, the airplane climbed to about 250 feet above the ground, and then the engine suddenly lost power. The pilot performed a 180 degree turn back toward the runway, but landed in rough terrain, just short of the runway. The engine was overhauled 5 hours before the accident, and one piston was replaced with an oversize piston. Following the accident, an examination of the engine revealed the oversize piston was seized in the cylinder. The seized piston was found to be the same size as the cylinder bore.
Probable Cause: improper overhaul of the engine, which resulted in a seized piston and resultant loss of engine power. Rough terrain in the emergency landing area was a related factor.
Accident investigation:
 |
|
Sources:
NTSB ANC97LA068
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 17:12 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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