# NTSB investigations, WY: Loss of control - in flight

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 1 of 2 · 72 cases

## Latest cases

- [NTSB DEN07CA107](https://openairdocs.org/ntsb/DEN07CA107.md): Truitt Peter Zenair CH 701SP · Mountain View, WY · Accident · Minor injuries · Data collection · Final report · Jun 24, 2007 · N281Z · Destroyed
  > The pilot's failure to maintain aircraft control during cruise flight resulting in an impact with terrain. Contributing factors were the wind gust and high density altitude.
- [NTSB DEN07CA085](https://openairdocs.org/ntsb/DEN07CA085.md): Beech F-35 · Wheatland, WY · Accident · No injuries · Data collection · Final report · Apr 8, 2007 · N3329C · Substantial damage
  > The pilot's inadequate soft field takeoff procedures and the low airspeed resulting in the airplane settling back to the ground.
- [NTSB DEN06CA074](https://openairdocs.org/ntsb/DEN06CA074.md): Cessna 182Q · Fort Bridger, WY · Accident · No injuries · Data collection · Final report · May 8, 2006 · N759EF · Substantial damage
  > the pilot's failure to maintain aircraft control during the landing flare and touchdown. Contributing to the accident was the high, gusty crosswinds.
- [NTSB DEN06LA005](https://openairdocs.org/ntsb/DEN06LA005.md): Aviat A-1 · Kaycee, WY · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2005 · N6QR · Substantial damage
  > the pilot's improper decision to attempt a go-around and the pilot's failure to maintain airspeed resulting in an inadvertent stall. A contributing factor was the hard landing.
- [NTSB DEN05CA138](https://openairdocs.org/ntsb/DEN05CA138.md): Robinson R44 II · Jackson, WY · Accident · No injuries · Data collection · Final report · Sep 9, 2005 · N944U · Substantial damage
  > the pilot's failure to maintain aircraft control during initial takeoff climb resulting in an uncontrolled descent and impact with terrain. A contributing factor was the pilot's encounter in settling with power.
- [NTSB DEN05CA135](https://openairdocs.org/ntsb/DEN05CA135.md): Aviat A-1B · Sheridan, WY · Accident · Minor injuries · Data collection · Final report · Sep 7, 2005 · N477DK · Substantial damage
  > pilot's failure to maintain aircraft control during the aborted landing. A contributing factor was the pilot's failure to maintain airspeed which resulted in an inadvertent stall.
- [NTSB DEN05FA100](https://openairdocs.org/ntsb/DEN05FA100.md): CGS Hawk Two Place Arrow · Jackson, WY · Accident · 1 fatal · Field investigation · Final report · Jun 27, 2005 · UNREG · Destroyed
  > The loss of airplane pitch control resulting from the pilot/owner's improper reinstallation of the rear locking collar on the elevator control torque tube, which allowed the torque tube to move rearward during flight and loosen the elevator control cable…
- [NTSB DEN05LA059](https://openairdocs.org/ntsb/DEN05LA059.md): Bourgeois-Avid Flyer MK IV · Kaycee, WY · Accident · 1 fatal · Limited investigation · Final report · Feb 26, 2005 · N94B · Substantial damage
  > the pilot's failure to maintain airspeed which resulted in a stall.
- [NTSB DEN04LA130](https://openairdocs.org/ntsb/DEN04LA130.md): Bell 206B3 · Atlantic City, WY · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2004 · N2751U · Substantial damage
  > the pilot's inability to maintain aircraft control, improper in-flight planning and decision making, and failure to compensate for wind conditions, resulting in collision with terrain. Contributing factors were the intentional low-level maneuver, and the wind…
- [NTSB DEN04CA117](https://openairdocs.org/ntsb/DEN04CA117.md): Mooney M20K · Jackson Hole, WY · Accident · Minor injuries · Data collection · Final report · Aug 8, 2004 · N11640 · Substantial damage
  > the pilot's failure to maintain aircraft control resulting in a stall/mush. Contributing factors include the windshear, the crosswind and the runway light.
- [NTSB DEN04FA078](https://openairdocs.org/ntsb/DEN04FA078.md): Air Borne Windsports Pty. Edge Wing X · Carter, WY · Accident · 1 fatal · Field investigation · Final report · May 25, 2004 · UNREG · Destroyed
  > The non-certificated pilot's failure to maintain adequate airspeed resulting in a stall. Factors contributing to the accident include the non-certificated pilot's improper judgment and the his lack of experience.
- [NTSB DEN04MA015](https://openairdocs.org/ntsb/DEN04MA015.md): Cessna 208B · Cody, WY · Accident · 1 fatal · Major investigation · Final report · Oct 29, 2003 · N791FE · Substantial damage
  > the pilot's failure to maintain aircraft control. Contributing factors include the pilot's failure to divert to an alternate airport, an inadvertent stall, and the snow and icing conditions.
- [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 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 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 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 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 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 DEN00LA079](https://openairdocs.org/ntsb/DEN00LA079.md): Green GTX-SE-FI · Gillette, WY · Accident · 1 fatal · Limited investigation · Final report · Apr 30, 2000 · N2411V · Destroyed
  > The pilot's abruptly pulling the nose up at an excessive airspeed, resulting in the rotor blades striking the vertical stabilizer and a subsequent loss of aircraft control.
- [NTSB DEN00FA021](https://openairdocs.org/ntsb/DEN00FA021.md): Piper PA-18-125 · Afton, WY · Accident · 2 fatal · Field investigation · Final report · Nov 28, 1999 · N1132A · Destroyed
  > Failure of the pilot to remove frost from the wings prior to takeoff, causing an inadvertent stall/spin on initial climbout. Factors included exceeding the aircraft's certificated gross weight, and fog conditions.
- [NTSB DEN99LA112](https://openairdocs.org/ntsb/DEN99LA112.md): Mooney M20C · Big Piney, WY · Accident · No injuries · Limited investigation · Final report · Jul 3, 1999 · N6253U · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during landing touchdown. A related factor was the gusty crosswind.
- [NTSB DEN99FA109](https://openairdocs.org/ntsb/DEN99FA109.md): Boeing Stearman A75 · Carpenter, WY · Accident · 1 fatal · Field investigation · Final report · Jun 29, 1999 · N801RB · Destroyed
  > Pilot incapacitation for unknown reasons.
- [NTSB DEN99LA089](https://openairdocs.org/ntsb/DEN99LA089.md): Dehaan Challenger II · Douglas, WY · Accident · Minor injuries · Limited investigation · Final report · May 29, 1999 · N22FE · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft by not adequately correcting for torque/p-factor during initial climb following takeoff.
- [NTSB DEN99FA075](https://openairdocs.org/ntsb/DEN99FA075.md): Piper PA-11 · Lander, WY · Accident · 2 fatal · Field investigation · Final report · May 8, 1999 · N4582M · Destroyed
  > The pilot inadvertently stalling the airplane. Factors were his abrupt maneuvering of the airplane to avoid a powerline, and his attention being diverted.
- [NTSB SEA97LA056](https://openairdocs.org/ntsb/SEA97LA056.md): Piper PA-18-150 · Moorcroft, WY · Accident · No injuries · Limited investigation · Final report · Feb 2, 1997 · N83347 · Substantial damage
  > The pilot's failure to maintain adequate airspeed. A factor was the pilot's low altitude flight and maneuvering.
- [NTSB SEA96TA207](https://openairdocs.org/ntsb/SEA96TA207.md): Bell 206L-3 · Sheridan, WY · Accident · Minor injuries · Final report · Sep 4, 1996 · N253EV · Substantial damage
  > the pilot's improper in-flight planning/decision, concerning maneuvers to position the helicopter for aerial application; and inadvertent loss of tail rotor effectiveness, which resulted in loss of directional control and subsequent collision with the…
- [NTSB SEA96MA079](https://openairdocs.org/ntsb/SEA96MA079.md): Cessna 177B · Cheyenne, WY · Accident · 3 fatal · Class 1 · Major · Final report · Apr 11, 1996 · N35207 · Destroyed
  > the pilot-in-command's improper decision to take off into deteriorating weather conditions (including turbulence, gusty winds, and an advancing thunderstorm and associated precipitation) when the airplane was overweight and when the density altitude was…
- [NTSB SEA95LA150](https://openairdocs.org/ntsb/SEA95LA150.md): Cessna 170B · Afton, WY · Accident · No injuries · Limited investigation · Final report · Jul 17, 1995 · N3165B · Substantial damage
  > Directional control was not maintained. Factors to the accident were: inadequate remedial action and a stall not identified.
- [NTSB SEA95FA012](https://openairdocs.org/ntsb/SEA95FA012.md): United Consultant UC-1 · Pinedale, WY · Accident · 2 fatal · Field investigation · Final report · Oct 27, 1994 · N9501U · Substantial damage
  > Aircraft control was not maintained. Factors to the accident were: rough water and downdrafts.
- [NTSB SEA93LA107](https://openairdocs.org/ntsb/SEA93LA107.md): Robinson R-22B · Cody, WY · Accident · No injuries · Limited investigation · Final report · May 13, 1993 · N14NH · Substantial damage
  > The failure of the pilot to maintain directional control while hovering. Factors relating to the accident were the improper decision by the pilot, improper touchdown point selection, high density altitude, and wind gusts.
- [NTSB DEN92FA093](https://openairdocs.org/ntsb/DEN92FA093.md): Cessna 172M · Evanston, WY · Accident · 1 fatal · Field investigation · Final report · Sep 18, 1992 · N9632H · Destroyed
  > Loss of control for undetermined reasons.
- [NTSB SEA92LA169](https://openairdocs.org/ntsb/SEA92LA169.md): Greth Cirrus VK30 · Rawlins, WY · Accident · No injuries · Limited investigation · Final report · Jul 29, 1992 · N303VK · Substantial damage
  > The pilot in command's failure to maintain control of the aircraft. Factors contributing to the accident were: crosswinds and gusts.
- [NTSB SEA91LA164](https://openairdocs.org/ntsb/SEA91LA164.md): Piper PA-22-150 · Dayton, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 1991 · N5826D · Substantial damage
  > Severe down drafts. Factors to the accident were: terrain clearance was not maintained, and a poor weather evaluation, by the pilot.
- [NTSB SEA91LA111](https://openairdocs.org/ntsb/SEA91LA111.md): Piper PA-22 · Laramie, WY · Accident · Minor injuries · Limited investigation · Final report · May 22, 1991 · N2234A · Substantial damage
  > The pilot's failure to maintain an airspeed above the stall speed for the aircraft. Contributing to the accident was the high density altitude.
- [NTSB SEA91LA097](https://openairdocs.org/ntsb/SEA91LA097.md): Grumman AA-1B · Douglas, WY · Accident · 1 fatal · Limited investigation · Final report · May 2, 1991 · N1412R · Destroyed
  > An inadvertent stall with inadequate terrain clearance. Factors include flight in mountainous terrain at an altitude where remedial action was not possible.
- [NTSB SEA90LA178](https://openairdocs.org/ntsb/SEA90LA178.md): Cessna 170A · Elk Mountain, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 10, 1990 · N9157A · Substantial damage
  > The pilot's failure to maintain flying speed while at an altitude that did not provide adequate terrain clearance for a safe stall recovery.
- [NTSB DEN90FA172](https://openairdocs.org/ntsb/DEN90FA172.md): Aerospatiale SA316B · Meeteetse, WY · Accident · Serious injuries · Field investigation · Final report · Aug 20, 1990 · N83776 · Destroyed
  > A main rotor head blade dampener failure. A factor in the accident was the subsequent failure of a blade restraining cable.
- [NTSB SEA90FA146](https://openairdocs.org/ntsb/SEA90FA146.md): Wheeler Technology FT-210 · Linch, WY · Accident · 3 fatal · Field investigation · Final report · Jul 25, 1990 · N210EX · Destroyed
  > Failure of the pilot to maintain control of the aircraft and/or correct the stall/spin.
- [NTSB DEN90LA141](https://openairdocs.org/ntsb/DEN90LA141.md): Beech 23 · Wheatland, WY · Accident · No injuries · Limited investigation · Final report · Jun 24, 1990 · N2310J · Substantial damage
  > Permature liftoff.
- [NTSB DEN90LA123](https://openairdocs.org/ntsb/DEN90LA123.md): Piper PA-18-150 · Douglas, WY · Accident · No injuries · Limited investigation · Final report · Jun 4, 1990 · N4720A · Substantial damage
  > The accident to be improper installation of aileron control system by maintenance personnel, and failure to perform an aircraft preflight by the pilot in command.
- [NTSB DEN88LA195](https://openairdocs.org/ntsb/DEN88LA195.md): Piper PA-28-140 · Rawlins, WY · Accident · Serious injuries · Limited investigation · Final report · Aug 29, 1988 · N5873U · Substantial damage
  > Plt and pax were on a flight from milwaukee, WI, to las vegas, NV. The plt made an unscheduled stop at Rawlins due to poor vis and low fuel. The airplane was loaded with suit cases, camping gear, coolers and full fuel. The pilot and pax combined weight was…
- [NTSB DEN88FA193](https://openairdocs.org/ntsb/DEN88FA193.md): Mooney M20F · Jackson Hole, WY · Accident · 2 fatal · Field investigation · Final report · Aug 27, 1988 · N9528M · Destroyed
  > The pvt plt obtained his instrument rating 14 days prior to the accident. 12 hrs of actual instrument flt time was logged in March of 1987. The remaining instrument flt time was simulated. Visibility in the Jackson Hole area was reduced by smoke. The plt…
- [NTSB DEN88LA149](https://openairdocs.org/ntsb/DEN88LA149.md): Piper PA-28R-200 · Cheyenne, WY · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 1988 · N4329F · Substantial damage
  > The flight originated in omaha, NE. Three passengers and the commercial plt embarked on a fishing trip into Wyoming. The pilot departed Cheyenne after having several problems with the engine and correcting the problem by proper leaning. He said he took off…
- [NTSB DEN88FA114](https://openairdocs.org/ntsb/DEN88FA114.md): Beech D-17S · Wheatland, WY · Accident · 2 fatal · Field investigation · Final report · May 28, 1988 · N1038M · Destroyed
  > The witnesses said they saw the acft fly a pattern indicative of a base to final approach to rwy 35. The airstrip has a second runway oriented east and west. The wind was blowing from the east at 20 knots. The acft wreckage was found approximately 3/4 miles…
- [NTSB DEN88LA041](https://openairdocs.org/ntsb/DEN88LA041.md): Piper PA-18-125 · Riverton, WY · Accident · Serious injuries · Limited investigation · Final report · Dec 26, 1987 · N211T · Substantial damage
  > The instructor plt and student were practicing forced landings to an open field. The instructor stated that he descended to approx 50 to 75 ft AGL over the intended landing area. He initiated a go around, pulled up and banked left to go over powerlines. At an…
- [NTSB DEN86FTE03](https://openairdocs.org/ntsb/DEN86FTE03.md): Homebuilt Bushby Mustang · Casper, WY · Accident · 1 fatal · Final report · Sep 21, 1986 · N117RD · Destroyed
  > The Homebuilt acft crashed during low alt maneuvers from about 150 ft AGL. A witness who helped build the acft was taking pictures and recording data of the flt at the time of the accident. This witness stated that the plt attempted an aileron roll. The first…
- [NTSB DEN86FA213](https://openairdocs.org/ntsb/DEN86FA213.md): Thorp T-18 · Rawlins, WY · Accident · 2 fatal · Field investigation · Final report · Jul 31, 1986 · N85JJ · Destroyed
  > The accident acft, a Thorp T-18, was one of four acft (quickie ii, varieze, longeze) in a loose formation that was en route to the annual eaa convention at oshkosh, WI. The acft departed redding, CA, at 0500 PDT, refueled at wendover, UT, and departed there…
- [NTSB DEN86LA203](https://openairdocs.org/ntsb/DEN86LA203.md): Rotec Panther II Plus · Sundance, WY · Accident · No injuries · Limited investigation · Final report · Jul 20, 1986 · N990RE · Substantial damage
  > The plt said that on the first flight of N990RE, the vehicle revealed some undesirable flt control characteristics. He said that after landing he installed both doors and then attempted another take off. It was shortly after take off that the plt lost control…

Next page: https://openairdocs.org/ntsb.md?state=WY&occurrence=250&page=2

## 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'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=250&state=WY

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