# NTSB investigations, WY: Collision with terr/obj (non-CFIT)

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 · 96 cases

## Latest cases

- [NTSB WPR26LA267](https://openairdocs.org/ntsb/WPR26LA267.md): Rans S7 · Kemmerer, WY · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 18, 2026 · N6133M · Substantial damage
  > The pilot’s decision to perform a take-off in high-density-altitude, gusting-crosswind conditions, which resulted in an aerodynamic stall, hard landing and subsequent nose-over.
- [NTSB WPR26LA253](https://openairdocs.org/ntsb/WPR26LA253.md): Cessna 180 · Marbleton, WY · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2026 · N3339D · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB WPR26LA250](https://openairdocs.org/ntsb/WPR26LA250.md): Aeronca 7AC · Buffalo, WY · Accident · No injuries · Class 4 · Limited · Final report · Jul 7, 2026 · N1097E · Substantial damage
  > The pilot’s improper flare and subsequent failure to maintain directional control of the airplane during the aborted landing.
- [NTSB WPR26LA084](https://openairdocs.org/ntsb/WPR26LA084.md): Maule M-7-235B · Cody, WY · Accident · No injuries · Class 4 · Limited · Final report · Jan 17, 2026 · N116G · Substantial damage
  > The pilot's failure to maintain directional control during landing roll.
- [NTSB WPR26LA048](https://openairdocs.org/ntsb/WPR26LA048.md): Aviat A1 · Evanston, WY · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 4, 2025 · N96WJ · Substantial damage
  > The airplane’s encounter with downdrafts in mountainous terrain, which resulted in a collision with terrain. Contributing to the accident was the pilot’s decision to continue the flight through mountainous terrain in marginal weather conditions.
- [NTSB WPR25LA201](https://openairdocs.org/ntsb/WPR25LA201.md): Lancair IV · Alpine, WY · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 30, 2025 · N124GH · Substantial damage
  > The pilot’s loss of visual reference during the landing approach which resulted in a collision with water.
- [NTSB WPR25LA029](https://openairdocs.org/ntsb/WPR25LA029.md): Daher TBM700 · Pinedale, WY · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 29, 2024 · N885CA · Substantial damage
  > The pilot’s failure to ensure that the airplane was free of snow contamination before takeoff and to follow the manufacturer’s anti-icing procedure during continued snowfall, which resulted in an aerodynamic stall and loss of control shortly after liftoff.…
- [NTSB WPR24FA291](https://openairdocs.org/ntsb/WPR24FA291.md): American Champion 8GCBC · Meeteetse, WY · Accident · 1 fatal · Class 3 · Field · Final report · Sep 1, 2024 · N23BD · Destroyed
  > The pilot’s decision to continue the flight over rising terrain at a low altitude in a high-elevation, high-density-altitude environment.
- [NTSB WPR24LA242](https://openairdocs.org/ntsb/WPR24LA242.md): Cessna 182A · Teton Village, WY · Accident · No injuries · Class 4 · Limited · Final report · Jul 10, 2024 · N4083D · Substantial damage
  > The pilot’s failure to maintain control of the airplane during the landing roll.improper compensation for the prevailing wind conditions, resulting in impact of the left wing on the runway surface.
- [NTSB WPR24LA187](https://openairdocs.org/ntsb/WPR24LA187.md): Piper PA-18-150 · Garrett, WY · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 7, 2024 · N40561 · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while conducting low-level altitude operations, following an encounter with wake turbulence.
- [NTSB WPR24LA148](https://openairdocs.org/ntsb/WPR24LA148.md): Kjelsrud Gary Kitfox · Powell, WY · Accident · No injuries · Class 3 · Limited · Final report · May 10, 2024 · N605GK · Substantial damage
  > The pilot’s adjustment of the carburetor to an incorrect setting, which resulted in partial loss of engine power during takeoff.
- [NTSB WPR23LA283](https://openairdocs.org/ntsb/WPR23LA283.md): Beech C35 · Rock Springs, WY · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2023 · N620D · Substantial damage
  > Maintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.
- [NTSB WPR23FA188](https://openairdocs.org/ntsb/WPR23FA188.md): Cessna T182T · Albany, WY · Accident · 2 fatal · Class 3 · Field · Final report · May 14, 2023 · N665B · Destroyed
  > The pilot’s decision to conduct flight into an area of icing in an airplane that was prohibited from such conditions, which resulted in exceedance of the airplane’s critical angle of attack, an aerodynamic stall/spin, and the pilot’s spatial disorientation…
- [NTSB WPR23LA016](https://openairdocs.org/ntsb/WPR23LA016.md): Quickie Q2 · Laramie, WY · Accident · No injuries · Class 3 · Limited · Final report · Oct 14, 2022 · C-GDHK · Substantial damage
  > The partial loss of engine power due to the seizure of the No. 1 cylinder exhaust valve in the valve guide.
- [NTSB WPR22LA334](https://openairdocs.org/ntsb/WPR22LA334.md): Buxbaum Mark Edward Long EZ · Medicine Bow, WY · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 5, 2022 · N444MR · Substantial damage
  > A partial loss of engine power due to the fatigue fracture of the No. 4 exhaust valve head.
- [NTSB CEN22FA216](https://openairdocs.org/ntsb/CEN22FA216.md): Express 2000RG · Cheyenne, WY · Accident · 1 fatal · Class 3 · Field · Final report · May 30, 2022 · N44508 · Destroyed
  > The pilot's inability to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack while managing a loss of engine power and inflight fire, which resulted in an aerodynamic stall. Contributing factors to the accident were the loss…
- [NTSB WPR21LA259](https://openairdocs.org/ntsb/WPR21LA259.md): Cessna 180J · Lander, WY · Accident · No injuries · Class 4 · Limited · Final report · Jul 4, 2021 · N7802K · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion and impact with a fence.
- [NTSB WPR20CA262](https://openairdocs.org/ntsb/WPR20CA262.md): Head AX8 88 · Jackson, WY · Accident · Serious injuries · Class 4 · Data collection · Final report · Aug 3, 2020 · N45303 · Minor damage
  > The balloon pilot’s inability to maintain altitude during un-forecasted weather, which resulted in a hard landing.
- [NTSB WPR20LA054](https://openairdocs.org/ntsb/WPR20LA054.md): Mitsubishi MU2B · Big Piney, WY · Accident · No injuries · Class 3 · Limited · Final report · Dec 30, 2019 · N43866 · Substantial damage
  > The failure of the right propeller position to correspond to the throttle change when moved to the beta position for reasons that could not be determined based on available evidence.
- [NTSB GAA19CA575](https://openairdocs.org/ntsb/GAA19CA575.md): Piper J3C · Lander, WY · Accident · Minor injuries · Data collection · Final report · Sep 26, 2019 · N33463 · Substantial damage
  > The pilot's failure to maintain lateral control during takeoff with a quartering tailwind, which resulted in the right wing striking the ground, a runway excursion, impact with a fence, and a subsequent noseover.
- [NTSB CEN19FA305](https://openairdocs.org/ntsb/CEN19FA305.md): Champion 7GCBC · Carpenter, WY · Accident · 1 fatal · Class 3 · Field · Final report · Sep 7, 2019 · N5502S · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb after takeoff, which resulted in an aerodynamic stall and loss of control at an altitude too low for recovery.
- [NTSB GAA19CA526](https://openairdocs.org/ntsb/GAA19CA526.md): Pietenpol Pietenpol Aircamper · Glendo, WY · Accident · No injuries · Data collection · Final report · Sep 5, 2019 · N14961 · Substantial damage
  > The pilot's overapplication of brakes during the landing roll, which resulted in a noseover.
- [NTSB GAA19CA394](https://openairdocs.org/ntsb/GAA19CA394.md): Merit CCX-2000 · Casper, WY · Accident · No injuries · Data collection · Final report · Jul 4, 2019 · N941DM · Substantial damage
  > The pilot's failure to maintain directional control during landing with a tailwind, which resulted in a ground loop.
- [NTSB GAA19CA384](https://openairdocs.org/ntsb/GAA19CA384.md): American AA5 · Cheyenne, WY · Accident · No injuries · Data collection · Final report · Jul 2, 2019 · N387G · Substantial damage
  > The pilot's failure to maintain a proper descent rate and landing flare during landing with a tailwind, which resulted in a hard landing and a subsequent loss of directional control, runway excursion, and collision with objects.
- [NTSB GAA19CA184](https://openairdocs.org/ntsb/GAA19CA184.md): Piper PA 16 · Afton, WY · Accident · No injuries · Data collection · Final report · Mar 31, 2019 · N676SC · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing and loss of directional control and the airplane’s subsequent impact with a snowbank and nose-over during an attempted go-around.
- [NTSB CEN18LA219](https://openairdocs.org/ntsb/CEN18LA219.md): Aston Kinsey Tercel · Cokeville, WY · Accident · No injuries · Limited investigation · Final report · Jun 11, 2018 · N640BE · Substantial damage
  > The loss of gyrocopter control for reasons that could not be determined because postaccident examination of the gyrocopter revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB CEN18FA217](https://openairdocs.org/ntsb/CEN18FA217.md): Let L 23 Super Blanik · Moose, WY · Accident · 2 fatal · Field investigation · Final report · Jun 9, 2018 · N317BA · Destroyed
  > The pilot's encounter with atmospheric conditions that resulted in a loss of lift and a subsequent loss of control near terrain that precluded recovery. Contributing to the accident was the pilot's failure to follow the operator's published tour flight…
- [NTSB GAA18CA330](https://openairdocs.org/ntsb/GAA18CA330.md): Sorensen Danny S BF9 2 · Evanston, WY · Accident · No injuries · Data collection · Final report · May 31, 2018 · N81973 · Substantial damage
  > The pilot’s failure to fuel the biplane’s main fuel tank before the flight and his inadequate preflight inspection, during which he did not verify the fuel quantity, which resulted in fuel exhaustion
- [NTSB CEN18FA101](https://openairdocs.org/ntsb/CEN18FA101.md): Socata TBM 700 · Evanston, WY · Accident · 2 fatal · Field investigation · Final report · Feb 18, 2018 · N700VX · Destroyed
  > The pilot's loss of control due to spatial disorientation.
- [NTSB GAA18CA098](https://openairdocs.org/ntsb/GAA18CA098.md): Swearingen SA227 · Rock Springs, WY · Accident · No injuries · Data collection · Final report · Jan 11, 2018 · N561UP · Substantial damage
  > The pilot's failure to maintain directional control while taxiing in gusting tailwind conditions.
- [NTSB CEN18LA032](https://openairdocs.org/ntsb/CEN18LA032.md): Cessna T207A · Rock Springs, WY · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 2017 · N9825M · Substantial damage
  > The pilot's improper in-flight fuel management and reliance on a faulty fuel gauge, which resulted in fuel starvation during approach for landing, and his failure to follow the emergency checklist after losing engine power.
- [NTSB GAA17CA518](https://openairdocs.org/ntsb/GAA17CA518.md): Croft Robert C Kitfox Super Sport · Afton, WY · Accident · No injuries · Data collection · Final report · Sep 2, 2017 · N429NC · Substantial damage
  > The pilot’s failure to maintain bank control during an attempted go-around.
- [NTSB GAA17CA512](https://openairdocs.org/ntsb/GAA17CA512.md): Aviat A 1 · Cody, WY · Accident · No injuries · Data collection · Final report · Aug 28, 2017 · N335SB · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB GAA17CA437](https://openairdocs.org/ntsb/GAA17CA437.md): Cessna 172 · Powell, WY · Accident · No injuries · Data collection · Final report · Jul 24, 2017 · N6470E · Substantial damage
  > The student pilot’s improper landing flare and subsequent failure to relinquish the flight controls, which resulted in a hard landing.
- [NTSB GAA17CA400](https://openairdocs.org/ntsb/GAA17CA400.md): Ritter John I S D S C · Kemmerer, WY · Accident · No injuries · Data collection · Final report · Jul 7, 2017 · N599JR · Substantial damage
  > The pilot’s improper landing flare, which resulted in a bounced landing, and his subsequent failure to maintain directional control during the landing roll.
- [NTSB GAA17CA251](https://openairdocs.org/ntsb/GAA17CA251.md): Bender Joseph KIT Rotoway · Wheatland, WY · Accident · No injuries · Data collection · Final report · Apr 30, 2017 · N164JB · Substantial damage
  > The pilot's decision to operate the helicopter in gusting wind and high-density altitude conditions and his positioning of the helicopter such that it resulted in a right quartering tailwind, which resulted in a loss of helicopter control due to a loss of…
- [NTSB GAA17CA192](https://openairdocs.org/ntsb/GAA17CA192.md): Cirrus Design SR22 · Laramie, WY · Accident · No injuries · Data collection · Final report · Mar 7, 2017 · N703TP · Substantial damage
  > The pilot’s decision to land with a crosswind that exceeded the airplane’s demonstrated capability, which resulted in the airplane banking left and the wing striking the ground.
- [NTSB CEN17FA050](https://openairdocs.org/ntsb/CEN17FA050.md): Cub Crafters PA18 · Basin, WY · Accident · 1 fatal · Field investigation · Final report · Dec 7, 2016 · N444GB · Substantial damage
  > The pilot exceeded the airplane's critical angle of attack while maneuvering at low altitude, which resulted in an inadvertent aerodynamic stall and subsequent impact with terrain.
- [NTSB CEN17FA035](https://openairdocs.org/ntsb/CEN17FA035.md): Stamper RV-10 · Dubois, WY · Accident · 1 fatal · Field investigation · Final report · Nov 5, 2016 · N924WY · Destroyed
  > The pilot's failure to maintain adequate airspeed after becoming distracted by the opening of the gull-wing cabin door during takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low…
- [NTSB CEN17LA025](https://openairdocs.org/ntsb/CEN17LA025.md): Cessna 182Q · Buffalo, WY · Accident · Serious injuries · Limited investigation · Final report · Oct 23, 2016 · N97878 · Substantial damage
  > The pilot’s failure to set the proper flap position before the short field takeoff, which resulted in a runway excursion and impact with terrain.
- [NTSB GAA17CA019](https://openairdocs.org/ntsb/GAA17CA019.md): Piper PA18 · Hanna, WY · Accident · No injuries · Data collection · Final report · Oct 6, 2016 · N4457Z · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in shifting wind conditions.
- [NTSB CEN16LA330](https://openairdocs.org/ntsb/CEN16LA330.md): Hiller UH 12D · Cokeville, WY · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 2016 · N97TH · Substantial damage
  > Failure of the control rotor cuff due to fatigue.
- [NTSB CEN16LA256](https://openairdocs.org/ntsb/CEN16LA256.md): Gulfstream American AA 5 · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · Jul 7, 2016 · N26908 · Substantial damage
  > The airplane’s encounter with low-level wind shear during takeoff, which resulted in an off-airport landing.
- [NTSB GAA16CA354](https://openairdocs.org/ntsb/GAA16CA354.md): Cessna 188 · Saratoga, WY · Accident · No injuries · Data collection · Final report · Jul 1, 2016 · N60691 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during the landing roll resulting in substantial damage.
- [NTSB CEN16LA019](https://openairdocs.org/ntsb/CEN16LA019.md): Quest Kodiak 100 · Sheridan, WY · Accident · Serious injuries · Limited investigation · Final report · Oct 9, 2015 · N153RW · Substantial damage
  > The loss of airplane control during takeoff for reasons that could not be determined based on the available information.
- [NTSB GAA15CA291](https://openairdocs.org/ntsb/GAA15CA291.md): Maule M 7-235C · Kemmerer, WY · Accident · No injuries · Data collection · Final report · Sep 30, 2015 · N4244L · Substantial damage
  > A hard landing which resulted in a loss directional control and ground loop.
- [NTSB GAA15CA264](https://openairdocs.org/ntsb/GAA15CA264.md): Aviat A1 · Rock Springs, WY · Accident · No injuries · Data collection · Final report · Sep 18, 2015 · N288MD · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB CEN15LA407](https://openairdocs.org/ntsb/CEN15LA407.md): Alon A2 · Laramie, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 11, 2015 · N6359V · Substantial damage
  > The pilot’s failure to use carburetor heat in cruise flight while operating in an area conducive to serious carburetor icing, which resulted in a loss of engine power and an off-airport landing. Contributing to the accident was the pilot's decision to…
- [NTSB CEN15FA310](https://openairdocs.org/ntsb/CEN15FA310.md): Aeronca 7BCM (L-16A) · Auburn, WY · Accident · 2 fatal · Field investigation · Final report · Jul 22, 2015 · N8362H · Destroyed
  > The pilot's failure to maintain airspeed while turning at low altitude, which resulted in the airplane exceeding its critical angle-of-attack and entering an aerodynamic stall.
- [NTSB CEN15FA307](https://openairdocs.org/ntsb/CEN15FA307.md): Cessna T310R · Cody, WY · Accident · 4 fatal · Field investigation · Final report · Jul 18, 2015 · N72TP · Destroyed
  > The pilot's loss of airplane control following the loss of power in the left engine; the reason for the loss of power could not be determined during postaccident engine examination.

Next page: https://openairdocs.org/ntsb-events/470/sequence.md?state=WY&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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?state=WY

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