ASN Wikibase Occurrence # 35544
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| Date: | Wednesday 9 December 1992 |
| Time: | 17:45 LT |
| Type: |  Beechcraft 35-33 Debonair |
| Owner/operator: | Porter, Howard K. |
| Registration: | N755AA |
| MSN: | CD-100 |
| Total airframe hrs: | 6472 hours |
| Engine model: | CONTINENTAL IO-470-J |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Riverton, UT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Salt Lake City, UT (U42) |
| Provo, UT (KPVU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
IT WAS REPORTED BY THE PILOT'S SON THAT PRIOR TO DEPARTING FOR THE FLIGHT, THE PILOT WAS AWARE OF THE POOR WEATHER CONDITIONS ALONG THE ROUTE OF FLIGHT. THE SON AND ANOTHER PILOT WERE FLYING IN A TWIN ENGINE AIRPLANE, AND THE FATHER WAS IN THE SINGLE ENGINE AIRPLANE. THE SON STATED THAT HIS FATHER TOOK OFF ABOUT EIGHT MINUTES BEFORE THEIR FLIGHT AND TURNED TOWARD THE NORTHWEST, WHILE THE SON TOOK OFF AND TURNED TO THE NORTHEAST TO FOLLOW THE VALLEY SOUTH. THE SON REPORTED THAT THE WEATHER FRONT WAS RUNNING ACROSS THE VALLEY AND THAT LIGHT SNOW WAS FALLING AND VISIBILITY WAS POOR AT THE TIME. THE WRECKAGE WAS FOUND ALONG THE WEST SIDE OF THE VALLEY NEAR ROLLING HILLS APPROXIMATELY SEVEN MILES SOUTH OF THE AIRPORT. A WITNESS REPORTED THAT HE HEARD THE CRASH BUT COULD NOT SEE IT DUE TO THE FALLING SNOW. POST CRASH INVESTIGATION DID NOT REVEAL EVIDENCE OF A MECHANICAL FAILURE OR MALFUNCTION.
Probable Cause: TERRAIN CLEARANCE WAS NOT MAINTAINED. FACTORS TO THE ACCIDENT WERE: SNOW AND FLIGHT INTO KNOWN ADVERSE WEATHER.
Accident investigation:
 |
|
Sources:
NTSB SEA93FA033
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 16:23 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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