ASN Wikibase Occurrence # 30753
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| Date: | Wednesday 24 February 1999 |
| Time: | 18:30 LT |
| Type: |  Bell 206L-1 LongRanger II |
| Owner/operator: | North Slope Borough |
| Registration: | N785SR |
| MSN: | 45526 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 4396 hours |
| Engine model: | Allison 250-C30P |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | about 4 miles south of Barrow, Alaska -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | , AK ( BRW) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the public use helicopter was being utilized to search for a missing person. He said that shortly after initiating the search, he was able to locate the missing person on a frozen lake. He indicated that as he approached the lake for landing, he became disoriented due to whiteout conditions. The helicopter struck the frozen lake, and rolled onto its right side. The helicopter sustained substantial damage to the fuselage, tail boom, and drive train components. The closest official weather observation station is Barrow, located about 4 nautical miles north of the accident site. On February 24, at 1753, an Aviation Routine Weather Report (METAR) was reporting in part: wind, 070 degrees at 13 knots; visibility, 3 miles with light snow; clouds, 2,400 feet scattered, 3,800 feet broken, 10,000 feet overcast; temperature, minus 7 degrees F; dew point, minus 13 degrees F; altimeter, 29.81 inHg. The pilot reported that there were no preaccident mechanical anomalies with the helicopter.
Probable Cause: The pilot's misjudged flare while landing. Factors associated with the accident were whiteout conditions, and the snow-covered terrain.
Accident investigation:
 |
|
Sources:
NTSB ANC99TA029
FAA register: NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001205X00121&key=1
FAA register: NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001205X00121&key=1
FAA register: NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001205X00121&key=1
FAA register: 2. http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=785SR
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 09-Apr-2015 20:00 | Dr. John Smith | Updated [Time, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Source, Damage, Narrative] |
| 09-Apr-2015 20:01 | Dr. John Smith | Updated [Phase] |
| 25-Nov-2017 17:50 | ASN Update Bot | Updated [Time, Operator, Total occupants, Nature, Departure airport, Source, Damage, Narrative] |
| 25-Nov-2017 21:05 | ASN Update Bot | Updated [Source] |
| 25-Nov-2017 21:06 | ASN Update Bot | Updated [Source] |
| 08-Apr-2024 09:25 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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