ASN Wikibase Occurrence # 232811
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| Date: | Thursday 6 February 2020 |
| Time: | 12:30 |
| Type: |  Cessna 172F Skyhawk |
| Owner/operator: | Private |
| Registration: | N817PS |
| MSN: | 17252705 |
| Year of manufacture: | 1965 |
| Engine model: | Continental O-300 SER |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | ca 20 mi SE of Palmer, Knik Glacier, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Anchorage-Merrill Field, AK (MRI/PAMR) |
| Anchorage-Merrill Field, AK (MRI/PAMR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, while conducting a low-altitude pass over a frozen, snow-covered lake in his wheel-equipped airplane, he misjudged the airplane's height above the lake. The landing gear contacted snow, and subsequently, the left wing and propeller struck the ground, and the airplane came to rest upright. The left wing sustained substantial damage. The pilot reported there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot added that the accident may have been prevented if he had done a better job of evaluating the flight scenario and had properly addressed the risks involved with low-level flight over a snow-covered landscape, including the importance of recognizing visual illusions and depth perception issues associated with those conditions.
Probable Cause: The pilot's failure to maintain clearance from snow-covered terrain while maneuvering at low altitude.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N817PS
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Feb-2020 06:39 | gerard57 | Added |
| 07-Feb-2020 08:20 | RobertMB | Updated [Time, Location, Phase, Source, Narrative] |
| 07-Feb-2020 15:39 | TB | Updated [Aircraft type, Operator, Location] |
| 10-Feb-2020 14:59 | RobertMB | Updated [Time, Aircraft type, Registration, Cn, Operator, Source, Damage, Narrative] |
| 10-Feb-2020 15:20 | RobertMB | Updated [Operator, Narrative] |
| 20-Feb-2020 10:07 | Captain Adam | Updated [Narrative] |
| 05-Aug-2020 08:00 | ASN Update Bot | Updated [Time, Operator, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
| 05-Aug-2020 08:25 | harro | Updated [Departure airport, Destination airport, Source, Narrative, Accident report, ] |
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