ASN Wikibase Occurrence # 352640
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| Date: | Sunday 12 September 1999 |
| Time: | 06:45 LT |
| Type: |  Cessna 182J |
| Owner/operator: | Private |
| Registration: | N3348F |
| MSN: | 18257348 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 3400 hours |
| Engine model: | Continental O-470-R |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Klamath, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Napa, CA (KAPC) |
| (S51) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot received a weather briefing from FSS the evening before departure and a friend at the destination told him that the area had been free of fog for the last several days. Upon descent to 1,500 feet at the destination, he could not spot the airport due to a fog layer. He decided to divert to his alternate. After turning toward the alternate airport, the engine began to run roughly. The pilot was unable to remedy the power loss by applying carburetor heat, switching fuel tanks, leaning the mixture, and checking the magnetos in the both position. As he turned back toward his original destination airport, the engine continued to run rough and he was unable to arrest the airplane's descent. He was just above the fog layer, saw the runway through the fog, and turned back to the runway. During the turn, he went into the fog and the airplane collided with treetops and lodged in branches. The occupants noticed fire in the floorboard area, exited through the pilot's door, and jumped to the ground. The fuselage was consumed by fire. Witnesses on the ground heard the airplane circle the area twice at a low altitude, but did not hear any change of engine sound. The temperature/dew point was in an area of a carburetor icing probability chart annotated, 'serious carburetor icing with cruise or climb power.' The FAA publication, 'Tips on Winter Flying,' recommends that carburetor heat be applied prior to reducing power.
Probable Cause: A loss of engine power due to carburetor icing and the pilot's failure to use carburetor heat in conditions conducive to icing.
Accident investigation:
 |
|
Sources:
NTSB LAX99LA305
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Mar-2024 12:37 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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