ASN Wikibase Occurrence # 134692
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Narrative:The pilot reported that he and pilot-rated passenger assessed the weather conditions before departing on the local night flight, and determined it was safe to fly. The pilot estimated the visibility to be 5 miles. Shortly after takeoff, both the pilot and pilot rated passenger lost sight of the ground and horizon. The pilot wrote, "I felt the passenger/pilot grab the [control] yoke. I asked what he was doing. He said he felt we were turning. I then noticed we were going down." The pilot-rated passenger said they were "disoriented. [The pilot] thought we should descend a little. That's what we were doing when we hit the lake. We didn't really see it coming." He made no mention of control interference. Neither pilot was instrument rated. The airplane impacted a frozen lake, skidded about 300 feet, and fell through the ice. A witness reported that the visibility was 2 miles in fog.
|Date:||Saturday 6 January 2001|
|Total airframe hrs:||8500 hours|
|Fatalities:||Fatalities: 0 / Occupants: 2|
|Aircraft damage:|| Written off (damaged beyond repair)|
|Location:||Spanish Fork, UT -
United States of America
|Phase:|| En route|
|Departure airport:||Spanish Fork, UT (U77)|
|Investigating agency: ||NTSB|
|Confidence Rating:|| Accident investigation report completed and information captured|
Probable Cause: Improper weather evaluation by both the pilot and pilot/passenger, and the pilot's inadvertent VFR flight into IMC resulting in his spatial disorientation. Factors were the pilot rated passenger's spatial disorientation, fog, and night conditions.
||ASN Update Bot
||Updated [Time, Damage, Category, Investigating agency]|
||ASN Update Bot
||Updated [Other fatalities, Departure airport, Source, Narrative]|
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