ASN Wikibase Occurrence # 77960
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| Date: | Sunday 26 September 2010 |
| Time: | 10:59 |
| Type: |  Cessna 150F |
| Owner/operator: | Doug Hair |
| Registration: | N7915F |
| MSN: | 15064015 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 3583 hours |
| Engine model: | Continental O-200 SERIES |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Monroe County near Sweetwater, Tennessee -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Marietta, GA (RYY) |
| Knoxville, TN (DKX) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot did not possess an instrument rating and had not logged any actual instrument experience. During the 2 days prior to the accident flight, the pilot had completed two cross-country flights uneventfully and he was returning home on the accident flight. The pilot did not contact the flight service station for a weather briefing. Visual meteorological conditions prevailed at the departure airport; however, instrument meteorological conditions were present along the route of flight and near the destination airport. About 1 hour into the cross-country flight, the airplane impacted hilly terrain about 1,300 feet mean sea level (msl). Radar data indicated that 1 minute prior to the accident, the airplane began a right turn, followed by a descending left turn, with the last recorded target at 1,600 feet msl about 1/4 mile from the accident site. One witness stated that it was foggy in the area at the time of the accident. The recorded weather at a nearby airport, located at 1,031 feet msl, included an overcast ceiling at 600 feet. Examination of the wreckage did not reveal any preimpact mechanical malfunctions. If neither horizon or surface references exist, the attitude of an airplane must be determined by artificial means from the flight instruments. However, during periods of low visibility, the supporting senses sometimes conflict with what is seen, and when this happens, a pilot is particularly vulnerable to spatial disorientation.
Probable Cause: The pilot's inadequate preflight weather planning and improper decision to continue a visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2010 14:59 | slowkid | Added |
| 28-Sep-2010 03:40 | slowkid | Updated [Aircraft type, Registration, Cn, Operator, Nature, Source] |
| 29-Sep-2010 10:40 | Alpine Flight | Updated [Damage] |
| 21-Nov-2010 09:26 | rvargast17 | Updated [Aircraft type] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 18:11 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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