ASN Wikibase Occurrence # 361963
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| Date: | Wednesday 2 June 1993 |
| Time: | 15:55 LT |
| Type: |  Piper PA-32-300 |
| Owner/operator: | Skagway Air Service, Inc. |
| Registration: | N8127K |
| MSN: | 7940268 |
| Total airframe hrs: | 3266 hours |
| Engine model: | LYCOMING IO-540-K1G5 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Skagway, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ABOUT 15 MIN AFTER DEPARTING SKAGWAY, WHILE MANEUVERING OVER A GLACIER, THE PILOT NOTED DECREASING ENGINE OIL PRESSURE. SHORTLY THEREAFTER THE ENGINE BEGAN TO EMIT METALLIC SOUNDS, AND THEN THE ENGINE QUIT. AN EMERGENCY LANDING WAS MADE ON THE GLACIER. ON-SCENE EXAMINATION OF THE ENGINE REVEALED THAT THE #2 CYLINDER CONNECTING ROD HAD FAILED. SUBSEQUENT METALLURGICAL EXAMINATION BY THE SAFETY BOARD REVEALED THAT THE FRACTURE OF THE ROD THROUGH THE STRAP AREA ADJACENT TO THE HEAD OF THE ROD BOLT DISPLAYED FEATURES TYPICAL OF A FATIGUE FRACTURE.
Probable Cause: A TOTAL LOSS OF ENGINE POWER AS A RESULT OF A FATIGUE FAILURE OF THE #2 CONNECTING ROD. A FACTOR WHICH CONTRIBUTED TO THE ACCIDENT WAS THE LACK OF SUITABLE TERRAIN FOR THE EMERGENCY LANDING.
Accident investigation:
 |
|
Sources:
NTSB ANC93LA077
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 16:17 | ASN Update Bot | Added |
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