Fatal NTSB investigations: Lycoming 0-235 series
356 cases on aircraft whose registry engine model is Lycoming 0-235 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 | 5 |
| 1968 | 4 |
| 1969 | 4 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 3 |
| 1975 | 2 |
| 1977 | 5 |
| 1978 | 13 |
| 1979 | 14 |
| 1980 | 11 |
| 1981 | 12 |
| 1982 | 15 |
| 1983 | 14 |
| 1984 | 14 |
| 1985 | 6 |
| 1986 | 8 |
| 1987 | 6 |
| 1988 | 7 |
| 1989 | 6 |
| 1990 | 11 |
| 1991 | 5 |
| 1992 | 5 |
| 1993 | 6 |
| 1994 | 5 |
| 1995 | 8 |
| 1996 | 3 |
| 1997 | 7 |
| 1998 | 8 |
| 1999 | 5 |
| 2000 | 6 |
| 2001 | 10 |
| 2002 | 8 |
| 2003 | 3 |
| 2004 | 5 |
| 2005 | 10 |
| 2006 | 4 |
| 2007 | 5 |
| 2008 | 6 |
| 2009 | 10 |
| 2010 | 2 |
| 2011 | 4 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 1 |
| 2025 | 4 |
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.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41505'))
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."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41505'))
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 WPR26FA051Accident · 2 fatalClass 3 · FieldPreliminary reportAmerican AA-1A · High Rolls, NMOn November 26, 2025, about 1145 mountain standard time, an American Aviation AA-1A airplane, N9439L was destroyed when it was involved in an accident near Alamogordo, New Mexico. The pilot and passenger were fatally injured. The airplane was operated as a…NTSB WPR25FA233Accident · 1 fatalClass 3 · FieldPreliminary reportCessna 152 · Hornell, NYOn August 1, 2025, about 1859 eastern daylight time, a Cessna 152, N6125B was destroyed when it was involved in an accident near Hornell, New York. The student pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…NTSB ERA25FA283Accident · 1 fatalClass 3 · FieldPreliminary reportPiper J5C · Rochester, NYOn August 1, 2025, about 1330 eastern daylight time, a Piper J5C, NC 28151, was substantially damaged when it was involved in an accident near Rochester, New York. The passenger was fatally injured, and the pilot was seriously injured. The airplane was…NTSB WPR25FA145Accident · 2 fatalClass 3 · FieldFinal reportChampion 7ECA · Cottonwood, CAThe flight instructor’s delayed response to an improper landing approach and runway overshoot, which resulted in an impact with an airport perimeter fence and trees.NTSB CEN23FA155Accident · 1 fatalClass 3 · FieldFinal reportJunior Ace · Mammoth Springs, ARThe pilot’s intentional flight into terrain as an act of suicide.NTSB ANC23FA004Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-18 · Chickaloon, AKThe pilot's decision to fly at low altitude, which resulted in a collision with a cable.NTSB WPR22FA309Accident · 3 fatalClass 3 · FieldFinal reportCessna 152 · Watsonville, CAThe failure of the pilot of the multi-engine airplane to see and avoid the single-engine airplane while performing a straight-in approach for landing.NTSB ANC22FA066Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-12 · Arctic Village, AKThe pilot’s decision to depart in turbulent and gusting wind conditions, which resulted in a loss of control and impact with terrain.NTSB WPR22FA198Accident · 1 fatalClass 3 · FieldFinal reportBeech 77 · Hemet, CAThe student pilot’s failure to maintain clearance from a cinderblock wall while performing a go-around.NTSB CEN22FA214Accident · 1 fatalClass 3 · FieldFinal reportCessna 152 · Wauwatosa, WIThe student pilot’s exceedance of the airplane’s critical angle of attack, which resulted in a stall from which the student pilot could not recover.NTSB CEN22FA203Accident · 1 fatalClass 3 · FieldFinal reportAmerican AA-1A · Cleburne, TXThe student pilot’s decision to operate the airplane after consuming alcohol, which led to an exceedance of the airplane’s critical angle of attack, an aerodynamic stall, and a subsequent loss of control at a low altitude.NTSB ERA22FA153Incident · 1 fatalClass 2 · FieldFinal reportAmerican AA-1 · Bay Minette, ALThe pilot’s loss of control during taxi, which resulted in a taxiway overrun and subsequent impact with terrain. Contributing to the incident were the low visibility conditions that existed at the airport around the time of the incident.NTSB WPR22LA061Accident · 1 fatalClass 3 · LimitedFinal reportMoul Willis RV-3 · Bermuda Dunes, CAThe pilot’s improper positioning of the fuel shutoff valve, which resulted in a loss of engine power, and the pilot’s subsequent exceedance of the airplane’s critical angle of attack, resulting in an aerodynamic stall and loss of control.NTSB CEN21FA380Accident · 1 fatalClass 3 · FieldFinal reportPiper J3C-65 · Adrian, MOThe pilot’s failure to maintain control of the airplane which resulted in an aerodynamic stall and impact with terrain.NTSB ERA21FA274Accident · 2 fatalClass 3 · FieldFinal reportCessna 152 · St. Augustine, FLThe flight instructor’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall during the landing approach.NTSB CEN21FA290Accident · 2 fatalClass 3 · FieldFinal reportAmerican AA-1A · Cleburne, TXThe canopy moving fully open during flight, which resulted in the pilot’s distraction and a subsequent aerodynamic stall/spin and loss of control.NTSB WPR21FA232Accident · 1 fatalClass 3 · FieldFinal reportKitfox Series 6 · Likely, CAThe pilot’s poor decision making in attempting a takeoff from a field with high vegetation and a high-density altitude, which resulted in decreased takeoff performance and impact with terrain.NTSB CEN21LA204Accident · 1 fatalClass 3 · LimitedFinal reportPiper J3C-65 · Slaughter, LAA total loss of engine power for reasons that could not be determined from the available evidence.NTSB CEN21LA070Accident · 2 fatalClass 3 · LimitedFinal reportPiper PA38 · Franklin, ARThe impairment of both pilots from carbon monoxide exposure due to a degraded muffler. Contributing to the accident was the inadequate maintenance inspection, which failed to detect the degraded muffler.NTSB WPR21FA044Accident · 1 fatalClass 3 · FieldFinal reportPiper PA38 · Grass Valley, CAA total loss of engine power due to the pilot’s improper fuel management, which resulted in fuel starvation.NTSB WPR21FA025Accident · 2 fatalClass 3 · FieldFinal reportLancair 235 · Cordes Lakes, AZThe pilot’s exceedance of the airplane’s critical angle of attack during an aerobatic maneuver, which resulted in an aerodynamic stall and spin and a loss of control. Contributing to the accident was the pilot’s lack of aerobatic experience in the accident…NTSB WPR19FA095Accident · 1 fatalClass 3 · FieldFinal reportNorth American T28 · Compton, CAThe failure of the T-28 pilot to see and avoid the Cessna while landing with reduced visibility due to sun glare, which resulted in a collision on the runway. Contributing to the accident was his failure to use the airport's common traffic advisory frequency…NTSB ANC18FA071Accident · 2 fatalField investigationFinal reportPiper PA-12-150 · Healy, AKAn impact with terrain for reasons that could not be determined based on the available information.NTSB CEN18FA277Accident · 1 fatalClass 2 · FieldFinal reportCessna 152 · Fort Rice, NDThe pilot's failure to use carburetor heat in conditions that were conducive to serious carburetor icing, which resulted in a loss of engine power, an exceedance of the airplane's critical angle of attack, and an aerodynamic stall. Contributing to the…NTSB WPR18FA075Accident · 1 fatalField investigationFinal reportCessna 152 · Concord, CAA loss of control for reasons that could not be determined based on the available information.NTSB WPR18FA035Accident · 1 fatalField investigationFinal reportCessna 152 · Tehachapi, CAThe pilot's loss of situational awareness shortly after takeoff over a sparsely lit area in dark night conditions, which resulted in a rapid descent to ground impact.NTSB ERA17FA299Accident · 2 fatalField investigationFinal reportGrumman AA1 · Portland, TNThe pilot's improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ERA17FA231Accident · 1 fatalField investigationFinal reportCessna 152 · Homestead, FLThe pilot's loss of control due to spatial disorientation while maneuvering in night conditions over an area devoid of ground reference lights.NTSB ERA17FA148Accident · 1 fatalField investigationFinal reportPiper PA 12 · Sanford, FLThe incorrect rigging of the elevator control cables, which resulted in a reversal of elevator control inputs applied by the pilot during the takeoff, an excessive nose-high pitch, and subsequent aerodynamic stall after takeoff. Also causal was the inadequate…NTSB ERA17FA112Accident · 1 fatalField investigationFinal reportPiper PA38 · East Haven, CTThe failure of the fuel selector valve in a position that restricted fuel flow to the engine, resulting in a total loss of engine power during initial climb due to fuel starvation. Also causal was the operator's failure to effectively detect and resolve the…NTSB CEN16FA346Accident · 2 fatalField investigationFinal reportBellanca 7ECA · Moss Hill, TXThe pilot's loss of control attempting to recover from a low-level aerobatic maneuver. Contributing to the accident was the pilot's decision to attempt the low-level maneuver which significantly reduced any margin for error.NTSB ANC16FA057Accident · 1 fatalField investigationFinal reportChampion 7ECA · Chugiak, AKThe pilot's failure to maintain proper airspeed and his exceedance of the airplane's critical angle of attack during a steep low-altitude turn following a loss of engine power, which resulted in an aerodynamic stall and subsequent loss of control at too low…NTSB CEN16FA220Accident · 1 fatalField investigationFinal reportPiper PA-38-112 · Madison, INThe pilot’s failure to maintain a proper climb rate after takeoff and the subsequent collision with transmission line structures.NTSB WPR16FA124Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA 1B · Hawthorne, CAThe failure of both pilots to land the airplane on the remaining runway when a sufficient rate of climb could not be attained. Contributing to the accident was a reduction of available engine power due to severe camshaft lobe wear.NTSB CEN16FA087Accident · 1 fatalField investigationFinal reportPiper PA 22-108 · Garden City, TXThe pilot's failure to maintain clearance with terrain during a low altitude flight.NTSB ERA16FA005Accident · 1 fatalField investigationFinal reportPiper PA 38-112 · Jasper, GAThe student pilot's failure to accurately determine the airplane's fuel state, subsequent fuel exhaustion, and a total loss of engine power during initial climb. Contributing to the accident was the flight instructor's inadequate oversight of the student…NTSB WPR16FA002Accident · 2 fatalField investigationFinal reportCessna 152 · Cedar City, UTThe failure of the pilots to maintain control of the airplane while maneuvering, which resulted in an aerodynamic stall from which they did not recover.NTSB CEN15FA362Accident · 2 fatalField investigationFinal reportZenair CH 2000 · McAllen, TXThe flight instructor's loss of airplane control while departing in gusting wind conditions that were conducive to low-level wind shear.NTSB CEN15FA189Accident · 1 fatalField investigationFinal reportCessna 152 · Batesville, ARThe noninstrument-rated pilot's controlled flight into terrain due to an inadvertent encounter with clouds in dark night conditions. Contributing to the accident was the pilot's decision to fly at night in marginal visual meteorological conditions without the…NTSB ERA15FA099Accident · 1 fatalField investigationFinal reportCessna 152 · New Smyrna Beach, FLThe pilot's failure to maintain control of the airplane while operating under visual flight rules (VFR) in night, instrument meteorological conditions, likely due to spatial disorientation. Contributing to the outcome was the radar controller's failure to…NTSB ANC14FA050Accident · 1 fatalField investigationFinal reportPiper PA 12 · Anchorage, AKThe incorrect (reverse) rigging of the elevator control cables, and the pilot’s inadequate preflight inspection, which failed to detect the misrigging.NTSB WPR14FA239Accident · 2 fatalField investigationFinal reportAmerican AA-1A · El Mirage, CAThe pilot's loss of airplane control while intentionally maneuvering close to the ground, which resulted in the airplane exceeding its critical angle of attack in a steep bank and entering an accelerated stall.NTSB ERA14FA260Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA1B · Chester, SCThe pilot's inadequate inflight fuel monitoring, which resulted in fuel exhaustion and the subsequent total loss of engine power. Contributing to the accident was the loose fuel cap, which allowed fuel to syphon out in flight.NTSB CEN14FA057Accident · 2 fatalField investigationFinal reportCessna 152 · Spring, TXThe flight instructor's failure to maintain airspeed following a partial loss of engine power for reasons that could not be determined during postaccident examination, which resulted in an aerodynamic stall and subsequent loss of airplane control.NTSB ANC13FA090Accident · 2 fatalField investigationFinal reportChampion 7ECA · Sutton, AKThe pilot’s failure to maintain airplane control while maneuvering at low altitude, which resulted in an aerodynamic stall/spin and collision with terrain. Contributing to the accident was the pilot’s use of marijuana, which likely degraded his psychomotor…NTSB WPR13FA388Accident · 2 fatalField investigationFinal reportAmerican AA-1A · Desert Center, CAThe pilot's abrupt maneuver, which resulted in an accelerated stall and a loss of airplane control at low altitude.NTSB CEN13FA214Accident · 1 fatalField investigationFinal reportCessna 152 · Hawley, MNThe noninstrument-rated pilot’s improper decision to conduct a flight into known instrument meteorological conditions, which resulted in a loss of control.NTSB WPR13FA118Accident · 1 fatalField investigationFinal reportCessna 152 · Tucson, AZThe pilot's incapacitation due to his preexisting cardiac disease, which resulted in his degraded or complete loss of ability to control the airplane.NTSB CEN13FA060Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA-1B · Burlington, WIThe pilot’s failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in an inadvertent stall and spin.NTSB WPR13FA041Accident · 1 fatalField investigationFinal reportAmerican AA-1 · Morgan, UTThe pilot's inadequate preflight inspection, which resulted in frost remaining on the airplane's surfaces and led to its inability to produce enough lift to clear rising terrain.