Mooney M20M accident near Snoqualmie, WA
On October 28, 2021, a Mooney M20M (airplane) was involved in an accident near Snoqualmie, WA. 1 person died. Damage to the aircraft: substantial.
- Date
- October 28, 2021
- Place
- Snoqualmie, WA
- Aircraft
- Mooney M20M · Airplane
- Injuries
- 1 fatal, 0 serious, 0 minor
- Damage
- Substantial
- Position
- 47.592°N, 121.633°W
- NTSB ID
- 20211029104178
Official records · WPR22FA023
- Public docket: reports, statements and exhibits from the investigation
Air traffic control records
- N40ka Flight Track And Communication: Document (MP4), on ntsb.gov
NTSB summary
HISTORY OF FLIGHTOn October 28, 2021, about 0911 Pacific daylight time, a Mooney M20M, N40KA, was substantially damaged when it was involved in an accident near Snoqualmie, Washington. The private pilot sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. The pilot had purchased the airplane just days before the flight and was flying it from the purchase location of Arlington Municipal Airport (AWO), Arlington, Washington, to Magic Valley Regional Airport (TWC), Twin Falls, Idaho. The morning of the flight, the pilot filed an IFR flight plan from AWO to TWC, and he received a ForeFlight weather briefing that identified moderate icing conditions along the planned route of travel. The relative humidity during the planned time along the route of flight was 98%. The weather briefing indicated that during the planned flight time, the base freezing level was 5,000 ft msl and the top freezing level was 22,000 ft msl. A review of air traffic control (ATC) communications and radar data revealed that the airplane departed AWO about 0842. The pilot initiated an eastbound turn, which was abnormal for departures from AWO airport, and the controller questioned the pilot about the abnormal turn and subsequently issued the pilot a heading to the south. The pilot advised ATC that the turn was not intentional and that the autopilot may have been the issue. The pilot corrected course; however, at 0900, the airplane made a hard right turn to the northwest in the opposite direction of the planned route of flight. The airplane’s a
Probable cause
The pilot’s decision to fly the airplane into known icing conditions, which resulted in a loss of airplane control and collision with terrain.
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Browse: Washington · Mooney aircraft
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
