# NTSB investigations: Lycoming 0-320 series, 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 1 of 4 · 159 cases

## Latest cases

- [NTSB WPR25LA299](https://openairdocs.org/ntsb/WPR25LA299.md): Vans RV3-A · Torrington, WY · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Sep 27, 2025 · N16MR · Substantial damage
  > On September 27, 2025, about 1600 mountain daylight time, an experimental amateur-built Vans RV-3A, N16MR, sustained substantial damage when it was involved in an accident near Torrington, Wyoming. The pilot was seriously injured. The airplane was operated as…
- [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 ANC24LA035](https://openairdocs.org/ntsb/ANC24LA035.md): Piper PA-22-150 · Afton, WY · Accident · No injuries · Class 4 · Limited · Final report · May 17, 2024 · N9998D · Substantial damage
  > The commercial pilot’s failure to maintain directional control of the airplane during takeoff. Contributing was the student pilot’s application of brakes during the takeoff roll and the failure of both pilots to maintain a positive transfer of controls.
- [NTSB WPR24LA095](https://openairdocs.org/ntsb/WPR24LA095.md): Cessna 172N · Casper, WY · Accident · No injuries · Class 4 · Limited · Final report · Feb 26, 2024 · N739UE · Substantial damage
  > The pilot’s failure to maintain directional control while taxiing with a crosswind.
- [NTSB WPR23FA289](https://openairdocs.org/ntsb/WPR23FA289.md): Cessna 177 · Gillette, WY · Accident · Serious injuries · Class 3 · Field · Final report · Jul 29, 2023 · N3357T · Substantial damage
  > The pilot's decision to depart the high-density-altitude airport with the airplane at the maximum gross weight limit.
- [NTSB WPR23LA070](https://openairdocs.org/ntsb/WPR23LA070.md): Vans RV6 · Afton, WY · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 18, 2022 · N78HJ · Substantial damage
  > The pilot’s failure to maintain control during landing on a contaminated runway.
- [NTSB WPR22LA244](https://openairdocs.org/ntsb/WPR22LA244.md): Bellanca 7GCBC · Afton, WY · Accident · No injuries · Class 4 · Limited · Final report · Jul 10, 2022 · N50678 · Substantial damage
  > The pilot's inadequate flare and bounced landing which resulted in loss of directional control of the airplane during the landing roll.
- [NTSB WPR22LA113](https://openairdocs.org/ntsb/WPR22LA113.md): Piper PA-22-150 · Buffalo, WY · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2022 · N1799P · Substantial damage
  > The pilot’s failure to compensate for a wind gust during the landing roll, which resulted in a loss of directional control and collision with terrain
- [NTSB WPR21LA024](https://openairdocs.org/ntsb/WPR21LA024.md): Bellanca 8KCAB · Rock Springs, WY · Accident · No injuries · Class 4 · Limited · Final report · Oct 21, 2020 · N7654S · Substantial damage
  > The separation of the control grip which resulted in the pilot’s inability to maintain directional control during takeoff, and collision with terrain.
- [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 GAA19CA044](https://openairdocs.org/ntsb/GAA19CA044.md): Stoddard Hamilton Glasair II · Laramie, WY · Accident · No injuries · Data collection · Final report · Oct 27, 2018 · N505YR · Substantial damage
  > The pilot's failure to maintain a proper pitch attitude during landing at night, which resulted in a porpoised landing.
- [NTSB WPR18LA241](https://openairdocs.org/ntsb/WPR18LA241.md): Cessna 172 · Afton, WY · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 13, 2018 · N5660J · Substantial damage
  > The pilot’s failure to maintain terrain clearance after an encounter with a downdraft while maneuvering in a valley with a high-density altitude, which resulted in impact with trees and 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 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 WPR15LA058](https://openairdocs.org/ntsb/WPR15LA058.md): Mcholland Glastar · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Dec 10, 2014 · N16XP · Substantial damage
  > A loss of engine power while maneuvering at low altitude for reasons that could not be determined during postaccident examination.
- [NTSB WPR14CA344](https://openairdocs.org/ntsb/WPR14CA344.md): Cessna 177 · Pine Bluffs, WY · Accident · No injuries · Data collection · Final report · Aug 13, 2014 · N2830X · Substantial damage
  > The pilot's inadequate flare and failure to maintain aircraft control while landing.
- [NTSB WPR14CA152](https://openairdocs.org/ntsb/WPR14CA152.md): Piper PA 18A · Wheatland, WY · Accident · No injuries · Data collection · Final report · Mar 30, 2014 · N1952P · Substantial damage
  > The front seat pilot's excessive approach speed and subsequent brake application during the landing which resulted in a nose-over. Contributing to the accident was the instructor's failure to maintain situational awareness.
- [NTSB WPR13CA225](https://openairdocs.org/ntsb/WPR13CA225.md): Cessna 172N · Newcastle, WY · Accident · No injuries · Data collection · Final report · May 10, 2013 · N7610F · Substantial damage
  > The student pilot's failure to attain the proper touchdown point, which resulted in an undershoot of the runway.
- [NTSB WPR13FA138](https://openairdocs.org/ntsb/WPR13FA138.md): Cessna 172M · Saratoga, WY · Accident · 1 fatal · Field investigation · Final report · Mar 3, 2013 · N5129R · Substantial damage
  > The pilot’s decision to attempt flight into approaching adverse weather, which led to his low-level flight, encounter with mountain obscuration and moderate turbulence, and his subsequent loss of airplane control. Contributing to the severity of the pilot’s…
- [NTSB WPR13CA114](https://openairdocs.org/ntsb/WPR13CA114.md): Piper PA-18-150 · Worland, WY · Accident · No injuries · Data collection · Final report · Feb 1, 2013 · N83454 · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR13CA067](https://openairdocs.org/ntsb/WPR13CA067.md): Robinson Helicopter R22 Beta · Rawlins, WY · Accident · Minor injuries · Data collection · Final report · Dec 11, 2012 · N4073Q · Substantial damage
  > The pilot's failure to maintain main rotor rpm during takeoff, which resulted in a hard landing and subsequent rollover.
- [NTSB WPR11LA463](https://openairdocs.org/ntsb/WPR11LA463.md): Cessna 177 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Sep 23, 2011 · N3152T · Substantial damage
  > The pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.
- [NTSB WPR11LA233](https://openairdocs.org/ntsb/WPR11LA233.md): Palmer RV6A · Cody, WY · Accident · Serious injuries · Limited investigation · Final report · May 21, 2011 · N52VC · Substantial damage
  > The pilot’s failure to maintain sufficient altitude to avoid rising terrain. Contributing to the accident was the pilot’s visual illusion and disorientation due to the flat light conditions.
- [NTSB WPR11TA087](https://openairdocs.org/ntsb/WPR11TA087.md): Piper PA-18-180 · Shoshoni, WY · Accident · No injuries · Final report · Jan 2, 2011 · N6774B · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR10LA406](https://openairdocs.org/ntsb/WPR10LA406.md): Bellanca 7GCBC · Douglas, WY · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2010 · N5034K · Substantial damage
  > The pilot's failure to maintain clearance from the terrain while maneuvering during an aerial observation flight.
- [NTSB WPR09CA348](https://openairdocs.org/ntsb/WPR09CA348.md): Cessna 172M · Thermopolis, WY · Accident · Serious injuries · Data collection · Final report · Jul 16, 2009 · N5461Q · Substantial damage
  > The instructor pilot's failure to ensure that his dual student maintained clearance from the terrain during a dark night visual flight rules descent.
- [NTSB WPR09CA193](https://openairdocs.org/ntsb/WPR09CA193.md): Piper PA-28-140 · Dubois, WY · Accident · Minor injuries · Data collection · Final report · Apr 13, 2009 · N945RH · Substantial damage
  > The pilot's encounter with a windshear/downdraft that exceeded the climb performance capabilities of the airplane.
- [NTSB WPR09CA162](https://openairdocs.org/ntsb/WPR09CA162.md): Piper PA-18-150 · Jackson, WY · Accident · No injuries · Data collection · Final report · Mar 21, 2009 · N3920Z · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB DEN08LA049](https://openairdocs.org/ntsb/DEN08LA049.md): Cessna 172M · Pine Bluffs, WY · Accident · No injuries · Limited investigation · Final report · Jan 12, 2008 · N12606 · Substantial damage
  > The pilot's failure to maintain control of the airplane. Contributing factors in this accident were the unfavorable wind and the snow bank.
- [NTSB DEN08CA019](https://openairdocs.org/ntsb/DEN08CA019.md): Grumman American AA-5 · Wheatland, WY · Accident · No injuries · Data collection · Final report · Oct 24, 2007 · N5859L · Substantial damage
  > The pilot's improper decision to execute an off-airport landing on a dirt road. A contributing factor was the soft terrain.
- [NTSB DEN07CA151](https://openairdocs.org/ntsb/DEN07CA151.md): Piper PA-18-150 · Rawlins, WY · Accident · No injuries · Data collection · Final report · Aug 31, 2007 · N3914Z · Substantial damage
  > the pilot's failure to maintain directional control during landing. A contributing factor to the accident was the crosswind.
- [NTSB DEN07LA127](https://openairdocs.org/ntsb/DEN07LA127.md): Bellanca 7GCBC · Basin, WY · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 2007 · N88247 · Substantial damage
  > The carburetor icing causing a partial loss of engine power, and the pilot's failure to maintain aircraft control leading to the inadvertent stall. A factor contributing to the accident was the conditions conducive for carburetor icing.
- [NTSB DEN07CA032](https://openairdocs.org/ntsb/DEN07CA032.md): Piper PA-18-150 · Riverton, WY · Accident · No injuries · Data collection · Final report · Sep 3, 2006 · N82236 · Substantial damage
  > the pilot's failure to maintain directional control during the landing roll, resulting in a ground loop.
- [NTSB DEN06LA116](https://openairdocs.org/ntsb/DEN06LA116.md): Baker RV-3AB · Laramie, WY · Accident · 1 fatal · Limited investigation · Final report · Aug 24, 2006 · N43EM · Destroyed
  > The in-flight failure of the right wing spar during aerobatic flight. Contributing to the accident was the owner/operator's failure to comply with the service bulletin issued by the kit manufacturer.
- [NTSB DEN06LA014](https://openairdocs.org/ntsb/DEN06LA014.md): Cessna 172L · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Nov 16, 2005 · N2870Q · Substantial damage
  > the loss of engine power for reasons undetermined. Contributing to the accident was the dark night and lack of suitable terrain for a forced landing.
- [NTSB DEN05LA142](https://openairdocs.org/ntsb/DEN05LA142.md): Shea Vans RV6A · Glendo, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 18, 2005 · N985JS · Substantial damage
  > failure of the nose gear during the landing roll.
- [NTSB DEN05LA005](https://openairdocs.org/ntsb/DEN05LA005.md): Cessna 172N · Casper, WY · Accident · No injuries · Limited investigation · Final report · Oct 7, 2004 · N73764 · Substantial damage
  > the student pilot's improper flare resulting in a hard landing. A factor contributing to the accident was the student pilot's improper recovery from the bounced landing.
- [NTSB DEN04CA099](https://openairdocs.org/ntsb/DEN04CA099.md): Cessna 172N · Laramie, WY · Accident · No injuries · Data collection · Final report · Jul 5, 2004 · N737YJ · Substantial damage
  > fuel exhaustion due to the pilot's improper inflight decision not to stop and refuel. A contributing factor was the unsuitable terrain on which to make a forced landing.
- [NTSB DEN03LA139](https://openairdocs.org/ntsb/DEN03LA139.md): Piper PA-28-161 · Crowheart, WY · Accident · No injuries · Limited investigation · Final report · Aug 6, 2003 · N2973T · Substantial damage
  > The pilot's inadequate preflight planning (attempting to exceed aircraft's published certificated performance), the pilot not obtaining sufficient altitude to clear the terrain (not possible), and the pilot's inadequate in flight planning/decision making.…
- [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 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 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 DEN00LA018](https://openairdocs.org/ntsb/DEN00LA018.md): Cessna 172N · Rawlins, WY · Accident · No injuries · Limited investigation · Final report · Nov 12, 1999 · N5225D · Substantial damage
  > The pilot's inadequate preflight planning preparation which resulted in fuel exhaustion. Factors in the accident were the unsuitable terrain on which to make a forced landing and the pilot's lack of experience in aircraft type.
- [NTSB DEN99FA148](https://openairdocs.org/ntsb/DEN99FA148.md): Grumman American AA-5 · Newcastle, WY · Accident · 4 fatal · Field investigation · Final report · Aug 17, 1999 · N1370R · Destroyed
  > The pilot's inadequate visual lookout and inadequate altitude/clearance from the transmission wires.
- [NTSB FTW98LA309](https://openairdocs.org/ntsb/FTW98LA309.md): Overton Mustang M-II · Hillsdale, WY · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 1998 · N121GD · Substantial damage
  > The pilot's inadequate visual lookout and his failure to maintain adequate clearance from obstacles. Factors were an intentional low altitude flight maneuver, wires, and low light conditions.
- [NTSB FTW98LA308](https://openairdocs.org/ntsb/FTW98LA308.md): Piper PA-20-160 · Kemmerer, WY · Accident · No injuries · Limited investigation · Final report · Jul 2, 1998 · N8933D · Substantial damage
  > The pilot's failure to maintain directional control of the airplane, resulting in a ground loop. A factor was the pilot's lack of experience in a conventional landing gear type of airplane.
- [NTSB FTW98LA288](https://openairdocs.org/ntsb/FTW98LA288.md): Piper PA-23-160 · Casper, WY · Accident · No injuries · Limited investigation · Final report · Jun 26, 1998 · N4132P · Substantial damage
  > The pilot's improper in-flight planning and decision making by selecting an inadequate landing area for an emergency landing when a suitable landing area was available. Factors were fuel exhaustion, inaccurate preflight planning, and lack of recent experience.
- [NTSB FTW98LA065](https://openairdocs.org/ntsb/FTW98LA065.md): Artic S-1B2 · Worland, WY · Accident · No injuries · Limited investigation · Final report · Dec 6, 1997 · N71AT · Substantial damage
  > loss of engine power for undetermined reason(s). A related factor was the rough and uneven terrain on which the forced landing was made.
- [NTSB SEA97LA093](https://openairdocs.org/ntsb/SEA97LA093.md): Piper PA-28-140 · Rawlins, WY · Accident · No injuries · Limited investigation · Final report · Apr 26, 1997 · N6121J · Substantial damage
  > The pilot's inadequate preflight planning. Factors include high density altitude, downdrafts, and rough/uneven terrain in the area where the pilot attempted the emergency landing.

Next page: https://openairdocs.org/ntsb.md?engine=41508&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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41508&state=WY

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