ASN Wikibase Occurrence # 44563
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| Date: | Wednesday 9 February 2005 |
| Time: | 11:10 |
| Type: |  Cessna U206 |
| Owner/operator: | Private |
| Registration: | N206AR |
| MSN: | U20604766 |
| Year of manufacture: | 1978 |
| Engine model: | Continental IO-520 |
| Fatalities: | Fatalities: 3 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Port Alsworth, AK -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Anchorage, AK (MRI) |
| Port Alsworth, AK (PALJ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was on a personal flight with his immediate family, returning to his home/business on the shore of a remote lake adjacent to an airport. He had received forecast and current weather reports indicating an approaching cold/occluded front and deteriorating VFR weather conditions. The pilot transited a mountain pass into an area of rapidly deteriorating weather surrounding the destination lake. He reported that he elected to fly along the north shore of the frozen, snow-covered lake in moderate falling and blowing snow in visibility he estimated as about 1 mile, at an altitude of approximately 400 feet . He said that he thought he saw the south shoreline, close to his destination, and initiated a left turn toward the shoreline and over the lake. He indicated that once he was over the snow-covered white lake, with the white falling snow and overcast sky, he lost sight of the shoreline and turned to the right to return to the north shore. During the turn, he lost depth perception, descended, and collided with the lake, about 6 miles north-northeast of the destination airport. The airplane sank almost immediately, and the pilot said he had to cut his seatbelt to get out. He said he was unable to rescue any of his 3 passengers, his juvenile daughters, before the airplane sank in about 800 feet of water. The pilot's wife was also able to get out of the airplane, and they both hiked to a remote, unoccupied cabin to await rescue. The reported weather at the destination airport, approximately 37 minutes after the accident, was: Wind, 320 at 12 knots; visibility, one-half mile in heavy snow; sky, vertical visibility 200 feet, ceiling indefinite. The elevation of Lake Clark is approximately 260 feet msl.
Probable Cause: The pilot's continued VFR flight into instrument meteorological conditions (IMC), his improper in-flight planning and decision making, and his failure to maintain clearance from terrain while maneuvering to reverse direction at a low altitude. Factors associated with the accident are snow, a low ceiling, whiteout conditions, and a low altitude maneuver initiated by the pilot.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20050222X00213&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 06-Dec-2017 07:01 | ASN Update Bot | Updated [Operator, Other fatalities, Source, Narrative] |
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