ASN Wikibase Occurrence # 382066
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| Date: | Thursday 5 May 1983 |
| Time: | 22:08 LT |
| Type: |  Beechcraft C50 |
| Owner/operator: | Private |
| Registration: | N322V |
| MSN: | CH-157 |
| Total airframe hrs: | 3800 hours |
| Engine model: | Lycoming GO-480-F1A6 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Nephi, UT -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Las Vegas, NV (KLAS) |
| Salt Lake City, UT (KSLC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACFT COLLIDED WITH ROCKS AND SAGEBRUSH DURING A FORCED LANDING AFTER THE ENGINE LOST POWER. THE ACFT ENCOUNTERED INDUCTION AND AIRFRAME ICING DURING CRUISE. THE PILOTS WEATHER BRIEFING FORECAST THE ICING WHICH HE ENCOUNTERED. THE BRIEFING TOOK PLACE ABOUT 12 HOURS BEFORE DEPARTURE. THERE IS NO RECORD OF ANOTHER BRIEFING PRIOR TO DEPARTURE. WHEN THEPILOT EXPERIENCED A REDUCTION IN MANIFOLD PRESSURE DURING CRUISE IN ICING CONDITIONS HE SUSPECTED INDUCTION ICING. THE ALTERNATE AIR DOORS WERE FROZEN. WHEN THE PILOT FREED THEM THERE WAS A SMALL BANGING SOUND IN THE ENGINES. HE RADIOED THE ARTCC AT SALT LAKE CITY THE HE HAD ICING AND WAS 'DROPPING LIKE A ROCK'. AN EMERGENCY LANDING WAS MADE IN A SAGE BRUSH CLEARING. THE PILOT SAID THE ACFT MANUAL SHOULD BE CHANGED. 'IT STATES THAT CARB ICE IS RARE AND IS CORRECTED BY ALTERNATE AIR. IT DOES NOT INDICATE THAT AFTER THE ICE FORMS IT IS TOO LATE TO RESTORE POWER'.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN83LA109
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 09:57 | ASN Update Bot | Added |
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