NTSB investigations: Lycoming 0-320 series, WY
159 cases on aircraft whose registry engine model is Lycoming 0-320 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1964 | 3 |
|---|---|
| 1965 | 2 |
| 1966 | 4 |
| 1967 | 9 |
| 1968 | 4 |
| 1969 | 4 |
| 1970 | 2 |
| 1972 | 8 |
| 1973 | 7 |
| 1974 | 4 |
| 1975 | 7 |
| 1976 | 3 |
| 1977 | 3 |
| 1978 | 5 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 2 |
| 1982 | 5 |
| 1983 | 3 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 7 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 3 |
| 1992 | 2 |
| 1994 | 4 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 3 |
| 1999 | 2 |
| 2002 | 2 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 3 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB WPR25LA299Accident · Serious injuriesClass 3 · LimitedPreliminary reportVans RV3-A · Torrington, WYOn 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 WPR24LA187Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Garrett, WYThe pilot’s failure to maintain clearance from terrain while conducting low-level altitude operations, following an encounter with wake turbulence.NTSB ANC24LA035Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Afton, WYThe 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 WPR24LA095Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Casper, WYThe pilot’s failure to maintain directional control while taxiing with a crosswind.NTSB WPR23FA289Accident · Serious injuriesClass 3 · FieldFinal reportCessna 177 · Gillette, WYThe pilot's decision to depart the high-density-altitude airport with the airplane at the maximum gross weight limit.NTSB WPR23LA070Accident · Minor injuriesClass 4 · LimitedFinal reportVans RV6 · Afton, WYThe pilot’s failure to maintain control during landing on a contaminated runway.NTSB WPR22LA244Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7GCBC · Afton, WYThe pilot's inadequate flare and bounced landing which resulted in loss of directional control of the airplane during the landing roll.NTSB WPR22LA113Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Buffalo, WYThe pilot’s failure to compensate for a wind gust during the landing roll, which resulted in a loss of directional control and collision with terrainNTSB WPR21LA024Accident · No injuriesClass 4 · LimitedFinal reportBellanca 8KCAB · Rock Springs, WYThe separation of the control grip which resulted in the pilot’s inability to maintain directional control during takeoff, and collision with terrain.NTSB CEN19FA305Accident · 1 fatalClass 3 · FieldFinal reportChampion 7GCBC · Carpenter, WYThe 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 GAA19CA044Accident · No injuriesData collectionFinal reportStoddard Hamilton Glasair II · Laramie, WYThe pilot's failure to maintain a proper pitch attitude during landing at night, which resulted in a porpoised landing.NTSB WPR18LA241Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Afton, WYThe 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 GAA17CA019Accident · No injuriesData collectionFinal reportPiper PA18 · Hanna, WYThe pilot's failure to maintain directional control during the landing roll in shifting wind conditions.NTSB CEN16LA256Accident · No injuriesLimited investigationFinal reportGulfstream American AA 5 · Cheyenne, WYThe airplane’s encounter with low-level wind shear during takeoff, which resulted in an off-airport landing.NTSB WPR15LA058Accident · No injuriesLimited investigationFinal reportMcholland Glastar · Sheridan, WYA loss of engine power while maneuvering at low altitude for reasons that could not be determined during postaccident examination.NTSB WPR14CA344Accident · No injuriesData collectionFinal reportCessna 177 · Pine Bluffs, WYThe pilot's inadequate flare and failure to maintain aircraft control while landing.NTSB WPR14CA152Accident · No injuriesData collectionFinal reportPiper PA 18A · Wheatland, WYThe 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 WPR13CA225Accident · No injuriesData collectionFinal reportCessna 172N · Newcastle, WYThe student pilot's failure to attain the proper touchdown point, which resulted in an undershoot of the runway.NTSB WPR13FA138Accident · 1 fatalField investigationFinal reportCessna 172M · Saratoga, WYThe 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 WPR13CA114Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Worland, WYThe pilot's failure to maintain directional control during landing.NTSB WPR13CA067Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R22 Beta · Rawlins, WYThe pilot's failure to maintain main rotor rpm during takeoff, which resulted in a hard landing and subsequent rollover.NTSB WPR11LA463Accident · No injuriesLimited investigationFinal reportCessna 177 · Rock Springs, WYThe 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 WPR11LA233Accident · Serious injuriesLimited investigationFinal reportPalmer RV6A · Cody, WYThe 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 WPR11TA087Accident · No injuriesFinal reportPiper PA-18-180 · Shoshoni, WYA total loss of engine power for undetermined reasons.NTSB WPR10LA406Accident · Serious injuriesLimited investigationFinal reportBellanca 7GCBC · Douglas, WYThe pilot's failure to maintain clearance from the terrain while maneuvering during an aerial observation flight.NTSB WPR09CA348Accident · Serious injuriesData collectionFinal reportCessna 172M · Thermopolis, WYThe instructor pilot's failure to ensure that his dual student maintained clearance from the terrain during a dark night visual flight rules descent.NTSB WPR09CA193Accident · Minor injuriesData collectionFinal reportPiper PA-28-140 · Dubois, WYThe pilot's encounter with a windshear/downdraft that exceeded the climb performance capabilities of the airplane.NTSB WPR09CA162Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Jackson, WYThe pilot's failure to maintain directional control during the landing roll.NTSB DEN08LA049Accident · No injuriesLimited investigationFinal reportCessna 172M · Pine Bluffs, WYThe pilot's failure to maintain control of the airplane. Contributing factors in this accident were the unfavorable wind and the snow bank.NTSB DEN08CA019Accident · No injuriesData collectionFinal reportGrumman American AA-5 · Wheatland, WYThe pilot's improper decision to execute an off-airport landing on a dirt road. A contributing factor was the soft terrain.NTSB DEN07CA151Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Rawlins, WYthe pilot's failure to maintain directional control during landing. A contributing factor to the accident was the crosswind.NTSB DEN07LA127Accident · Serious injuriesLimited investigationFinal reportBellanca 7GCBC · Basin, WYThe 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 DEN07CA032Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Riverton, WYthe pilot's failure to maintain directional control during the landing roll, resulting in a ground loop.NTSB DEN06LA116Accident · 1 fatalLimited investigationFinal reportBaker RV-3AB · Laramie, WYThe 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 DEN06LA014Accident · No injuriesLimited investigationFinal reportCessna 172L · Rock Springs, WYthe 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 DEN05LA142Accident · Serious injuriesLimited investigationFinal reportShea Vans RV6A · Glendo, WYfailure of the nose gear during the landing roll.NTSB DEN05LA005Accident · No injuriesLimited investigationFinal reportCessna 172N · Casper, WYthe 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 DEN04CA099Accident · No injuriesData collectionFinal reportCessna 172N · Laramie, WYfuel 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 DEN03LA139Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Crowheart, WYThe 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 DEN03LA069Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Kemmerer, WYthe 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 DEN03LA061Accident · Serious injuriesLimited investigationFinal reportPiper PA-18A-150 · Newcastle, WYthe 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 DEN02GA097Accident · 1 fatalFinal reportArctic S-1B2 · Meeteetse, WYthe 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 DEN02LA027Accident · No injuriesLimited investigationFinal reportKnight BD-4 · Kemmerer, WYThe 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 DEN00LA018Accident · No injuriesLimited investigationFinal reportCessna 172N · Rawlins, WYThe 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 DEN99FA148Accident · 4 fatalField investigationFinal reportGrumman American AA-5 · Newcastle, WYThe pilot's inadequate visual lookout and inadequate altitude/clearance from the transmission wires.NTSB FTW98LA309Accident · Serious injuriesLimited investigationFinal reportOverton Mustang M-II · Hillsdale, WYThe 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 FTW98LA308Accident · No injuriesLimited investigationFinal reportPiper PA-20-160 · Kemmerer, WYThe 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 FTW98LA288Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Casper, WYThe 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 FTW98LA065Accident · No injuriesLimited investigationFinal reportArtic S-1B2 · Worland, WYloss of engine power for undetermined reason(s). A related factor was the rough and uneven terrain on which the forced landing was made.NTSB SEA97LA093Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Rawlins, WYThe 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.