# NTSB investigations: Bell 206B, UT NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB WPR14LA113](https://openairdocs.org/ntsb/WPR14LA113.md): Bell 206 · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Feb 5, 2014 · N3211N · Substantial damage > The pilots' inaccurate assessment of the snow depth on the landing zone, which resulted in a landing on snow deeper than that for which the helicopter was equipped and led to dynamic rollover. - [NTSB DEN05LA024](https://openairdocs.org/ntsb/DEN05LA024.md): Bell 206B3 · Eureka, UT · Accident · No injuries · Limited investigation · Final report · Nov 13, 2004 · N130JH · Substantial damage > the pilot's improper in-flight planning and decision making and failure to maintain obstacle clearance, resulting in contact with a power transmission line. Contributing factors include the intentional low-level maneuver, the power transmission line, and the… - [NTSB DEN02LA046](https://openairdocs.org/ntsb/DEN02LA046.md): Bell 206B-III · Moab, UT · Accident · No injuries · Limited investigation · Final report · May 24, 2002 · N191RH · Substantial damage > The pilot's failure to maintain rotor rpm during a forced landing. A contributing factor was fuel starvation. - [NTSB DEN02LA013](https://openairdocs.org/ntsb/DEN02LA013.md): Bell 206B · Bryce, UT · Accident · Serious injuries · Limited investigation · Final report · Dec 1, 2001 · N911KH · Substantial damage > loss of engine power for reasons undetermined. Contributing factors were the low airspeed and altitude at which to perform an autorotation. - [NTSB SEA94FA190](https://openairdocs.org/ntsb/SEA94FA190.md): Bell 206B III · Syracuse, UT · Accident · 1 fatal · Field investigation · Final report · Jul 24, 1994 · N820CW · Destroyed > Undetermined - [NTSB SEA93FA048](https://openairdocs.org/ntsb/SEA93FA048.md): Bell 206B3 · Ogden, UT · Accident · 4 fatal · Field investigation · Final report · Jan 3, 1993 · N1078V · Destroyed > The pilot's continuation of VFR flight into instrument meteorological conditions, and his decision to continue his landing attempts under the adverse weather conditions. Factors contributing to the accident were the low clouds, fog and mountainous terrain. - [NTSB SEA92FA045](https://openairdocs.org/ntsb/SEA92FA045.md): Bell 206B · Wellington, UT · Accident · 2 fatal · Field investigation · Final report · Feb 12, 1992 · N5003U · Destroyed > The pilot's continued flight into adverse weather conditions and an excessive rate of descent. Factors contributing to the accident were fog, rain, low ceilings, night conditions, snow covered terrain and pilot disorientation. - [NTSB SEA92FA016](https://openairdocs.org/ntsb/SEA92FA016.md): Bell 206B · Salt Lake City, UT · Accident · 1 fatal · Field investigation · Final report · Nov 8, 1991 · N5736B · Destroyed > The pilot failed to maintain directional control. Factors to the accident were: inadeqaute remedial action, over confidence in personal ability, and lack of recent expereince. - [NTSB DEN89FA175](https://openairdocs.org/ntsb/DEN89FA175.md): Bell 206B · Duchesne, UT · Accident · 3 fatal · Field investigation · Final report · Jul 18, 1989 · N1086C · Destroyed > The pilot failed to maintain clearance from the power line. Contributing factors were: lack of mission training provided by the company/operator, the pilot's lack of experience in this type of operation, his lack of familiarity with the geographic area, and… - [NTSB DEN89FA101](https://openairdocs.org/ntsb/DEN89FA101.md): Bell 206B-III · Park City, UT · Accident · No injuries · Field investigation · Final report · Apr 5, 1989 · N16733 · Substantial damage > An encounter with strong down-slope winds and gusts during a critiacal phase of flight which caused power required to exceed power available. Contributing factors to the accident was the downhill terrain and the downdraft conditions. - [NTSB DEN89LA059](https://openairdocs.org/ntsb/DEN89LA059.md): Bell 206B III · Park City, UT · Accident · No injuries · Limited investigation · Final report · Jan 8, 1989 · N16733 · Substantial damage > The selection of an unsuitable landing site by the pilot, resulting in tail rotor contact with the terrain and shearing of the tail rotor driveshaft. - [NTSB DEN85FA027](https://openairdocs.org/ntsb/DEN85FA027.md): Bell 206B-11 · Bingham Canyon, UT · Accident · 4 fatal · Field investigation · Final report · Nov 15, 1984 · N1077T · Destroyed > Pilot was taking passeengers on a sightseeng flight over the kennecott copper mine, largest open pit copper mine in the world. Helicopter collided with unmarked power lines approx 185 ft AGL. Power lines are supported by two unmarked towers on opposing hills… - [NTSB DEN84FA102](https://openairdocs.org/ntsb/DEN84FA102.md): Bell 206B-III · Coalville, UT · Accident · 1 fatal · Field investigation · Final report · Feb 25, 1984 · N16803 · Destroyed > The helicopter was equipped with 'bear paws'. Snowshoe-like devices on the skids to distribute weight on soft surfaces. The bear paws on this acft rotated freely around the skids, not tightened down as per design spec. Also, bear paws are not approved for… - [NTSB DEN82DTM06](https://openairdocs.org/ntsb/DEN82DTM06.md): Bell 206B · Fruitland, UT · Accident · No injuries · Closed · Dec 3, 1981 · N4717R · Substantial damage - [NTSB DEN81FA058](https://openairdocs.org/ntsb/DEN81FA058.md): Bell 206B · Escalante, UT · Accident · Minor injuries · Closed · Aug 18, 1981 · N206LC · Substantial damage - [NTSB DEN81FTM05](https://openairdocs.org/ntsb/DEN81FTM05.md): Bell 206B · Vernal, UT · Accident · Minor injuries · Closed · Jan 6, 1981 · N83243 · Substantial damage - [NTSB DEN76FTM39](https://openairdocs.org/ntsb/DEN76FTM39.md): Bell 206B · Coalville, UT · Accident · Minor injuries · Closed · Jul 14, 1976 · N49570 · Substantial damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181511')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=1181511&state=UT --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.