# NTSB investigations, WY

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.

Page 7 of 32 · 1,568 cases

## Cases, newest first

- [NTSB DEN03LA153](https://openairdocs.org/ntsb/DEN03LA153.md): Sharp Corben Baby Ace D · Wamsutter, WY · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 2003 · N794CH · Substantial damage
  > A loss of engine power due to carburetor icing. Contributing factors were weather conditions conducive to carburetor icing and unsuitable terrain available on which to make a forced landing.
- [NTSB DEN03LA098](https://openairdocs.org/ntsb/DEN03LA098.md): Helio H800 · Cody, WY · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 2003 · N4035K · Substantial damage
  > the pilot's improper preflight planning and his failure to maintain aircraft control when returning to the airport. Factors contributing to the accident were the oil leak, the attempted precautionary landing, and the downdraft.
- [NTSB DEN03LA092](https://openairdocs.org/ntsb/DEN03LA092.md): Hiller UH-12E · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · May 30, 2003 · N508SQ · Substantial damage
  > the pilot's failure to maintain aircraft control. A contributing to the accident was the sudden tailwind encountered.
- [NTSB DEN03LA091](https://openairdocs.org/ntsb/DEN03LA091.md): Champion 7GC · Casper, WY · Accident · No injuries · Limited investigation · Final report · May 30, 2003 · N5923L · Substantial damage
  > the pilot's failure to maintain directional control of the aircraft during the landing. Contributing factors include the inadequate remedial action by the pilot and the pilot's lack of experience in the aircraft.
- [NTSB DEN03LA089](https://openairdocs.org/ntsb/DEN03LA089.md): Beech A36 · Afton, WY · Accident · No injuries · Limited investigation · Final report · May 26, 2003 · N2106L · Substantial damage
  > the pilot's failure to achieve an adequate climb rate, resulting in an inflight collision with the sign. Contributing factors were the pilot's improper mixture leaning procedure, the high density altitude, his failure to abort the takeoff in a timely manner,…
- [NTSB DEN03LA069](https://openairdocs.org/ntsb/DEN03LA069.md): Piper PA-18-150 · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Apr 20, 2003 · N40520 · Substantial damage
  > the pilot's failure to maintain directional control and his inadequate compensation for wind during the landing roll which resulted in a ground loop/swerve and impact with terrain. Contributing factors include the wind gust and the ditch.
- [NTSB DEN03LA061](https://openairdocs.org/ntsb/DEN03LA061.md): Piper PA-18A-150 · Newcastle, WY · Accident · Serious injuries · Limited investigation · Final report · Apr 1, 2003 · N6883B · Substantial damage
  > the pilot's failure to maintain clearance from the terrain. Contributing factors include inadequate in-flight planning and decision making by the pilot, and the ground.
- [NTSB DEN03FA040](https://openairdocs.org/ntsb/DEN03FA040.md): Beech V35B · Rock Springs, WY · Accident · 1 fatal · Field investigation · Final report · Jan 30, 2003 · N935V · Destroyed
  > the pilot's failure to maintain adequate airspeed, resulting in a stall. Factors contributing to the accident were the icing conditions, low altitude, and the high gusting winds.
- [NTSB DEN03FA030](https://openairdocs.org/ntsb/DEN03FA030.md): Silvius Rans S-12XL · Laramie, WY · Accident · 1 fatal · Field investigation · Final report · Jan 6, 2003 · UNREG · Destroyed
  > the pilot's failure to maintain aircraft control, resulting in an inadvertent stall/mush. Contributing factors include the pilot's use of an over-the-counter antihistamine, and the pilot's inadequate in-flight decision to fly at low altitude.
- [NTSB DEN03FA002](https://openairdocs.org/ntsb/DEN03FA002.md): Cessna T210M · Laramie, WY · Accident · 1 fatal · Field investigation · Final report · Oct 1, 2002 · N210HC · Destroyed
  > the pilot's improper inflight planning/decision, and his failure to maintain terrain clearance while attempting a low altitude maneuver. Contributing factors were the mountainous terrain, the airplane’s low altitude, and the pilot's lack of total instrument…
- [NTSB DEN02FA105](https://openairdocs.org/ntsb/DEN02FA105.md): Piper PA-24-260 · Rock Springs, WY · Accident · No injuries · Field investigation · Final report · Sep 15, 2002 · N8822P · 2 aircraft · Substantial damage
  > the flight crew of the Beech and the pilot of the Piper's failure to attain proper clearance from the other during their respective landings. Factors contributing to the accident were the crew's and the pilot of the other airplane's inadequate visual lookout…
- [NTSB DEN02GA097](https://openairdocs.org/ntsb/DEN02GA097.md): Arctic S-1B2 · Meeteetse, WY · Accident · 1 fatal · Final report · Aug 16, 2002 · N71AT · Destroyed
  > the pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall/spin. A contributing factor was the intentional low pass/slow flight maneuver.
- [NTSB DEN02FA080](https://openairdocs.org/ntsb/DEN02FA080.md): Cessna 177B · Crowheart, WY · Accident · 2 fatal · Field investigation · Final report · Jul 27, 2002 · N34859 · Destroyed
  > the pilot's failure to maintain clearance of the high mountain terrain. Contributing factors were the high mountain terrain, and the high density altitude weather condition.
- [NTSB DEN02LA075](https://openairdocs.org/ntsb/DEN02LA075.md): American General AA5B · Worland, WY · Accident · Serious injuries · Limited investigation · Final report · Jul 13, 2002 · N28717 · Destroyed
  > the pilot's selection of an inadequate altitude for crossing mountainous terrain, resulting in a collision with trees. A contributing factor was the downdraft.
- [NTSB DEN02LA071](https://openairdocs.org/ntsb/DEN02LA071.md): Cessna T206H · Jackson, WY · Accident · No injuries · Limited investigation · Final report · Jul 6, 2002 · N2453V · Substantial damage
  > the engine failure for undetermined reasons and the pilot's failure to maintain aircraft control during the forced landing attempt. A factor contributing to the accident was the inadvertent stall.
- [NTSB DEN02LA067](https://openairdocs.org/ntsb/DEN02LA067.md): Schreder RS-15 · Jackson, WY · Accident · 1 fatal · Limited investigation · Final report · Jul 1, 2002 · N33515 · Destroyed
  > the pilot's failure to maintain adequate clearance from the mountain summit.
- [NTSB DEN02LA051](https://openairdocs.org/ntsb/DEN02LA051.md): Enstrom F-28C · Medicine Bow, WY · Accident · Serious injuries · Limited investigation · Final report · Jun 10, 2002 · N5694Z · Substantial damage
  > the unsuitable terrain encountered during the emergency autorotation, following a partial loss of engine power. Factors contributing to this accident were fuel contamination (water), the low altitude, the high winds, and the tailwind.
- [NTSB DEN02LA056](https://openairdocs.org/ntsb/DEN02LA056.md): Beech A35 · Newcastle, WY · Accident · No injuries · Limited investigation · Final report · Jun 7, 2002 · N8735A · Substantial damage
  > the pilot-in-command's failure to lower the landing gear prior to landing.
- [NTSB DEN02LA047](https://openairdocs.org/ntsb/DEN02LA047.md): Cessna 170B · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · May 30, 2002 · N4559C · Substantial damage
  > the pilot's failure to maintain aircraft control during initial takeoff climb. A contributing factor was the gusty crosswind.
- [NTSB DEN02LA048](https://openairdocs.org/ntsb/DEN02LA048.md): Helio H-391B · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · May 24, 2002 · N25BA · Substantial damage
  > the pilot's failure to maintain directional control.
- [NTSB DEN02FA043](https://openairdocs.org/ntsb/DEN02FA043.md): Cessna 170A · Casper, WY · Accident · 1 fatal · Field investigation · Final report · May 17, 2002 · N1211D · Destroyed
  > the pilot's inadvertent flight into adverse weather conditions and his subsequent failure to maintain aircraft control. A factor contributing to this accident was the fog.
- [NTSB DEN02LA032](https://openairdocs.org/ntsb/DEN02LA032.md): Boeing E75 · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · Apr 21, 2002 · N68463 · Substantial damage
  > the pilot's excessive use of the brakes, which resulted in a nose over.
- [NTSB DEN02TA037](https://openairdocs.org/ntsb/DEN02TA037.md): Douglas/Basler DC-3C · Casper, WY · Accident · No injuries · Final report · Apr 5, 2002 · N115Z · Substantial damage
  > The copilot's inadvertent retraction of the landing gear. A contributing factor was the use of inappropriate medication by the copilot.
- [NTSB DEN02LA027](https://openairdocs.org/ntsb/DEN02LA027.md): Knight BD-4 · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Feb 20, 2002 · N84RL · Substantial damage
  > The pilot's failure to maintain directional control during takeoff, which resulted in a collision with a snowbank. A contributing factor was the high crosswind.
- [NTSB DEN02LA024](https://openairdocs.org/ntsb/DEN02LA024.md): Aviat A-1A · Afton, WY · Accident · No injuries · Limited investigation · Final report · Feb 11, 2002 · N29HU · Substantial damage
  > The pilot's failure to maintain directional control, which resulted in a collision with a snow bank. Contributing factors were the icy runway and the snow bank.
- [NTSB DEN02TA011](https://openairdocs.org/ntsb/DEN02TA011.md): Cessna 206 · Casper, WY · Accident · No injuries · Final report · Nov 9, 2001 · N9582G · Substantial damage
  > failure to maintain aircraft control during landing. Contributing factors were the crosswind and gusting wind conditions.
- [NTSB DEN02LA006](https://openairdocs.org/ntsb/DEN02LA006.md): Pilatus PC-12 · Casper, WY · Accident · No injuries · Limited investigation · Final report · Oct 24, 2001 · N269AF · Substantial damage
  > The pilot's failure to maintain clearance from another parked airplane while taxiing. Contributing factors were the night light conditions, and the pilot's fatigue from a long day.
- [NTSB DEN01LA156](https://openairdocs.org/ntsb/DEN01LA156.md): Aerospatiale AS350BA · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Sep 6, 2001 · N57843 · Substantial damage
  > the loss of tail rotor effectiveness while air taxiing. Contributing factors were the high winds and gusts, and the pilot's limited experience in aircraft make/model.
- [NTSB DEN01LA154](https://openairdocs.org/ntsb/DEN01LA154.md): McDonnell Douglas 369E · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Sep 2, 2001 · N440TJ · Substantial damage
  > loss of tail rotor effectiveness while hovering. A contributing factor was the wind gust.
- [NTSB DEN01LA149](https://openairdocs.org/ntsb/DEN01LA149.md): Piper PA-32RT-300 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Aug 18, 2001 · N3015L · Substantial damage
  > the mechanic's failure to perform an airworthiness directive, which resulted in the loss of engine oil through a partially failed oil filter converter plate gasket, and subsequent failure of a connecting rod during cruise flight. A contributing factor was the…
- [NTSB DEN01LA145](https://openairdocs.org/ntsb/DEN01LA145.md): Eurocopter AS350 B-2 · Cody, WY · Accident · No injuries · Limited investigation · Final report · Aug 12, 2001 · C-FBTW · Substantial damage
  > the pilot's inadequate in-flight planning for an off site landing, which resulted in failure of the tail rotor drive shaft due to entanglement of his long-line in the drive shaft.
- [NTSB DEN01LA144](https://openairdocs.org/ntsb/DEN01LA144.md): Hughes 369FF · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Aug 12, 2001 · N530TJ · Substantial damage
  > fuel exhaustion due to the pilot's failure to refuel the aircraft, which resulted in a loss of engine power. A contributing factor was the unsuitable steep terrain on which to make a forced landing.
- [NTSB DEN01LA142](https://openairdocs.org/ntsb/DEN01LA142.md): Piper PA-60-602P · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Aug 9, 2001 · N44JH · Destroyed
  > the right main tire blowing out in flight, which resulted in a loss of directional control during landing.
- [NTSB DEN01FA135](https://openairdocs.org/ntsb/DEN01FA135.md): Beech V-35A · Lusk, WY · Accident · 1 fatal · Field investigation · Final report · Aug 3, 2001 · N7182N · Destroyed
  > the pilot's inadequate visual lookout, which resulted in an inadvertent collision with transmission wires.
- [NTSB DEN01TA134](https://openairdocs.org/ntsb/DEN01TA134.md): Bell 205A-1 · Jackson, WY · Accident · No injuries · Final report · Jul 31, 2001 · N205BR · 2 aircraft · Substantial damage
  > the Bell 212 helicopter pilot's inadequate visual lookout which resulted in a midair collision.
- [NTSB DEN01LA125](https://openairdocs.org/ntsb/DEN01LA125.md): Aerospatiale SA315B · Cody, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2001 · N2128Z · Substantial damage
  > the failure of the turbine assembly due to an over temperature condition. A contributing factor was the lack of suitable terrain for a forced landing.
- [NTSB DEN01LA084](https://openairdocs.org/ntsb/DEN01LA084.md): Bell 222UT · Alcova, WY · Accident · No injuries · Limited investigation · Final report · Apr 6, 2001 · N222LF · Substantial damage
  > the pilot's failure to maintain tail rotor clearance during a right pedal turn while hovering.
- [NTSB DEN01FA070](https://openairdocs.org/ntsb/DEN01FA070.md): Beech A36 · Jackson Hole, WY · Accident · 4 fatal · Field investigation · Final report · Mar 12, 2001 · N1080A · Destroyed
  > the pilot's continued VFR flight into instrument meteorological conditions which resulted in an inflight collision with terrain during cruise flight. Factors were the pilot's inadequate preflight planning in that he failed to familiarize himself with the…
- [NTSB DEN01LA067](https://openairdocs.org/ntsb/DEN01LA067.md): Robinson R22 Beta · Buffalo, WY · Accident · No injuries · Limited investigation · Final report · Mar 11, 2001 · N144MB · Substantial damage
  > failure of the rotor drive system clutch assembly which rendered the aircraft uncontrollable.
- [NTSB DEN01LA060](https://openairdocs.org/ntsb/DEN01LA060.md): Bell 407 · Jackson, WY · Accident · No injuries · Limited investigation · Final report · Mar 2, 2001 · N9HE · Substantial damage
  > The pilot's failure to maintain adequate lateral and vertical clearance during landing. Factors were the clouds and snow-covered high terrain.
- [NTSB DEN01LA057](https://openairdocs.org/ntsb/DEN01LA057.md): Eurocopter France AS-350-B2 · Powder River, WY · Accident · No injuries · Limited investigation · Final report · Feb 27, 2001 · C-GEYN · Substantial damage
  > The pilot's failure to maintain aircraft control during aircraft shut down procedures. Contributing factors were: the snow and ice covered field and the confined landing areas unsuitable obstacle clearance.
- [NTSB DEN01LA050](https://openairdocs.org/ntsb/DEN01LA050.md): Dassault-Breguet Mystere Falcon 900 · Pinedale, WY · Accident · No injuries · Limited investigation · Final report · Feb 7, 2001 · N59CF · Substantial damage
  > **This report was modified on 2/18/2016. Refer to the public docket for this accident for an explanation of the changes.** loss of directional control after touchdown for undetermined reasons.
- [NTSB DEN01FA030](https://openairdocs.org/ntsb/DEN01FA030.md): Hawker Siddeley HS-125-700 · Jackson, WY · Accident · No injuries · Field investigation · Final report · Dec 20, 2000 · N236BN · Substantial damage
  > The pilot's failure to follow IFR approach procedures and perform a missed approach when the runway was not in sight below approach minimums. Contributing factors were the copilot's failure to follow current ILS approach procedures and use the correct…
- [NTSB DEN01FA028](https://openairdocs.org/ntsb/DEN01FA028.md): Cessna 172 · Lusk, WY · Accident · 2 fatal · Field investigation · Final report · Dec 16, 2000 · N4223F · Substantial damage
  > the pilot's VFR flight into instrument meteorological conditions, and his subsequent failure to maintain terrain clearance, which resulted in an in-flight collision with terrain. Contributing factors were the pilot's failure to obtain a weather briefing, low…
- [NTSB DEN01LA002](https://openairdocs.org/ntsb/DEN01LA002.md): Hughes 369FF · Baggs, WY · Accident · Serious injuries · Limited investigation · Final report · Oct 10, 2000 · N82638 · Substantial damage
  > impact with terrain following a total loss of engine power due to fatigue failure of the turbine-to-compressor coupling. A contributing factor was the unsuitable terrain for a forced landing.
- [NTSB DEN00LA176](https://openairdocs.org/ntsb/DEN00LA176.md): Bell 206B · Rawlins, WY · Accident · No injuries · Limited investigation · Final report · Sep 22, 2000 · N32FR · Substantial damage
  > The company dispatching, and the pilot initiating, flight into known adverse weather with an aircraft which did not have the required anti-ice equipment installed. A factor was snow conditions.
- [NTSB DEN00LA170](https://openairdocs.org/ntsb/DEN00LA170.md): Piper PA-28-181 · Sheridan, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 15, 2000 · N6130H · Substantial damage
  > The pilot's improper inflight decision to enter a canyon at an altitude insufficient to clear rising terrain. A factor was the aircraft's climb performance being exceeded due to the rising terrain.
- [NTSB DEN00LA166](https://openairdocs.org/ntsb/DEN00LA166.md): Cessna 340A · Big Piney, WY · Accident · No injuries · Limited investigation · Final report · Sep 8, 2000 · N844YT · Substantial damage
  > Collision with animals during the takeoff roll.
- [NTSB DEN00LA165](https://openairdocs.org/ntsb/DEN00LA165.md): Gulfstream G-IV · Sheridan, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 6, 2000 · N1625 · No damage
  > the pilot's inadvertent flight into unforecasted turbulent weather conditions. A contributing factor was the turbulence.
- [NTSB DEN00LA162](https://openairdocs.org/ntsb/DEN00LA162.md): Aviat A-1 · Laramie, WY · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 2000 · N63FE · Substantial damage
  > The pilot's failure to maintain directional control. A factor was his improper inflight decision in selecting a less-than-favorable runway on which to land that resulted in a ground loop.

Next page: https://openairdocs.org/ntsb.md?state=WY&page=8

## 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" = 'WY' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=7&state=WY

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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.