ASN Wikibase Occurrence # 37633
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| Date: | Wednesday 16 August 1995 |
| Time: | 01:48 LT |
| Type: |  Cessna 310R |
| Owner/operator: | Voyager Aviation Croup |
| Registration: | N2640L |
| MSN: | 310R1677 |
| Total airframe hrs: | 3202 hours |
| Engine model: | Continental TSIO-520-BB |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Altoona, PA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Carlisle, PA (N95) |
| Detroit, MI (KDET) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While flying at night, about 10,000 feet msl, the flight reported an engine problem, declared an emergency, and requested vectors to the nearest airport for landing. When queried, the pilot stated, '...we got a fire in the right engine.' While diverting, the pilot was unable to maintain altitude (level flight) until the airplane descended to about 1700 feet. The tops of ridges in the area were about 2500 to 2800 feet. Subsequently, about 15 miles from the alternate airport, the airplane hit trees during darkness at an elevation of about 1720 feet and crashed. Examination of the right engine revealed that the last 8 to 12 inches of the right overboard tube had separated circumferentially from the exhaust system. A metallurgical examination of the exhaust stack revealed evidence of fatigue; there were numerous hot gas corrosion cracks that had originated at the interior surface and had propagated through the wall thickness of the stack. There was evidence that a breach of the right exhaust stack allowed hot, high velocity gases to escape and initiate a fire. The Altoon weather was in part: 8,000' scattered, 3 miles visibility with fog and haze.
Probable Cause: propagation of corrosion cracks in the right engine overboard exhaust stack and fatigue failure of the exhaust stack, which resulted in escape of hot/high velocity gases, in-flight fire, emergency descent, and subsequent collision with trees during an approach for a forced landing. Darkness and mountainous/hilly terrain were related factors.
Accident investigation:
 |
|
Sources:
NTSB NYC95FA195
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Apr-2024 12:50 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Destination airport, Source, Narrative, Category, Accident report] |
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