Fatal NTSB investigations: Lycoming 0-360-A1D
34 cases on aircraft whose registry engine model is Lycoming 0-360-A1D. 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
| 1982 | 1 |
|---|---|
| 1985 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 7 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 3 |
| 2012 | 2 |
| 2015 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 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.\"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 ('41504'))
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 ('41504'))
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 CEN25FA248Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-25 · Hot Springs, SDOn July 12, 2025, about 1322 mountain daylight time, a Piper PA-25, N8186K, was substantially damaged when it was involved in an accident near Hot Springs, South Dakota. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR22LA192Accident · 1 fatalClass 3 · LimitedFinal reportMaule MX-7-180C · Willits, CAAn uncommanded descent during a go-around maneuver for undetermined reasons.NTSB ERA21FA165Accident · 1 fatalClass 3 · FieldFinal reportAviat A-1 · Cave Spring, GAThe pilot's inadequate visual lookout and failure to maintain clearance from a power line.NTSB ERA21LA080Accident · 1 fatalClass 3 · LimitedFinal reportSocata TB10 · Pembroke Pines, FLThe pilot’s failure to use carburetor heat in environmental conditions favorable for serious carburetor ice during a prolonged wait with the engine at a low power setting before takeoff, which resulted in a partial loss of engine power due to carburetor ice.…NTSB CEN18FA389Accident · 1 fatalClass 2 · FieldFinal reportVans RV 4 · Austin, ARThe pilot's failure to maintain airplane control while maneuvering which resulted in the airplane exceeding its critical angle of attack and an accelerated stall.NTSB ANC18FA045Accident · 1 fatalField investigationFinal reportCessna 175 · Anchorage, AKThe failure of both pilots to see and avoid the other airplane while in level cruise flight, which resulted in a midair collision.NTSB WPR15FA238Accident · 1 fatalField investigationFinal reportAviat A 1 · Compton, CAThe pilot's failure to maintain adequate airspeed and/or appropriate pitch attitude during a banner pickup, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall/spin at too low an altitude to allow…NTSB WPR12FA420Accident · 3 fatalField investigationFinal reportPiper PA-28-181 · Strawberry, AZThe flight instructor's and the evaluator's failure to divert at an appropriate time during cruise flight, which resulted in the airplane's inability to maintain a sufficient altitude to clear rising terrain. Contributing to the accident was the flight…NTSB ERA12FA514Accident · 2 fatalField investigationFinal reportSocata TB 10 · Shirley, NYThe pilot/owner's operation of the airplane with known deficiencies, and the mechanic's failure to reattach the mixture control cable to the mixture control arm following maintenance of the carburetor.NTSB CEN09LA311Accident · 2 fatalLimited investigationFinal reportThornton RV-6A · Plainwell, MIThe pilot's failure to maintain aircraft control for undetermined reasons.NTSB WPR09LA153Accident · 1 fatalLimited investigationFinal reportHowes RV-6 · Paulden, AZA total loss of engine power due to oil starvation as a result of a leak from the inadequate weld repair of a high-pressure oil line. Also causal was the pilot's failure to maintain adequate airspeed while maneuvering that resulted in a stall during an…NTSB CEN09FA147Accident · 1 fatalField investigationFinal reportMooney M20C · Elbert, COThe pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall and subsequent loss of control.NTSB WPR09LA032Accident · 1 fatalLimited investigationFinal reportUniversal Globe · Wallace, CAThe pilot's incapacitation during cruise for unknown reasons that resulted in a loss of aircraft control.NTSB MIA08FA001Accident · 2 fatalField investigationFinal reportPiper PA-28-181 · Walthourville, GAThe non-instrument rated pilot's loss of control at night in marginal night VFR operations due to spatial disorientation. A factor in the accident was the pilot's improper decision to continue the flight.NTSB DFW07LA124Accident · 1 fatalLimited investigationFinal reportAdams RV-6A · Boerne, TXThe pilot's failure to maintain the best angle of climb speed resulting in an inadvertent stall. A contributing factor was the high density altitude.NTSB SEA07LA249Accident · 1 fatalLimited investigationFinal reportCessna 177 · Pinecliff, WAThe pilot's failure to maintain clearance from the trees while maneuvering in mountainous terrain. Factors include the mountainous terrain, low ceilings, and trees in the area where the pilot was maneuvering.NTSB ATL06LA110Accident · 1 fatalLimited investigationFinal reportArter RV6 · Hartselle, ALThe pilot's failure to maintain airspeed while maneuvering resulting in an inadvertent stall and collision with trees and the ground. Factor in the accident were the pilot's ostentatious display and impairment due to alcohol.NTSB LAX04LA041Accident · 2 fatalLimited investigationFinal reportDaughters T18C · Needles, CAthe pilot's continuation of a visual flight rules (VFR) flight into an area of adverse weather, which resulted in an encounter with moderate to severe turbulence and in-flight breakup of the airplane.NTSB LAX04FA037Accident · 2 fatalField investigationFinal reportRobinson R22 Beta II · Torrance, CAthe failure of the pilot of the R22 to comply with an ATC clearance.NTSB DEN03FA111Accident · 1 fatalField investigationFinal reportHammond Vans RV-6A · La Junta, COthe pilot's failure to maintain airspeed resulting in a stall during the turn from base leg to final approach.NTSB SEA03FA100Accident · 2 fatalField investigationFinal reportAviat A-1 · Atlanta, IDClearance from trees was not maintained during the initial climb. A proper touchdown point was not attained, the pilot's lack of familiarity with the geographic area and trees were factors.NTSB SEA03FA096Accident · 1 fatalField investigationFinal reportAviat A-1A · Sandpoint, IDThe pilot's failure to maintain adequate airspeed during a low pass maneuver which resulted in a stall. A related factor was the trees.NTSB ATL03FA104Accident · 3 fatalField investigationFinal reportPiper PA-44-180 · Battleboro, NCThe certified flight instructor's (CFI) failure to maintain flying speed that resulted in a stall/spin and the uncontrolled collision with the ground.NTSB CHI03LA133Accident · 1 fatalLimited investigationFinal reportAir & Space 18A · South Shore, SDThe pilot's failure to maintain clearance from the terrain. The pilot's lack of experience, the rain, the dark night, the low ceiling, and the rising terrain were contributing factors to the accident.NTSB LAX02FA288Accident · 3 fatalField investigationFinal reportMooney M-20E · Carlsbad, CAfailure of the pilots of both airplanes to maintain an adequate visual lookout and to see and avoid each other. A contributing factor was the failure of the controller to detect and resolve the conflict between the airplanes.NTSB NYC02FA082Accident · 2 fatalField investigationFinal reportPiper PA-28-181 · Gardiner, NYThe pilot-in-command's failure to maintain sufficient altitude while maneuvering in a mountainous area, which resulted in a collision with terrain. Factors in the accident were, mountainous terrain, clouds, and the pilot's decision to continue the flight in…NTSB FTW02FA071Accident · 1 fatalField investigationFinal reportBeech C23 · Sinton, TXThe pilot's failure to maintain clearance with trees while executing a missed approach procedure. Contributing factors were the prevailing fog and the dark night conditions.NTSB LAX01LA141Accident · 1 fatalLimited investigationFinal reportMotley Vans RV-6A · Baker, CAThe pilot's failure to maintain an adequate airspeed while maneuvering at low altitude, which led to an inadvertent stall/spin. The wind gusts were a factor.NTSB LAX00LA141Accident · 2 fatalLimited investigationFinal reportBirx Vans RV-6 · Taft, CAThe in-flight collision with the ground for undetermined reasons.NTSB SEA99FA113Accident · 1 fatalField investigationFinal reportAlexander VAN'S RV-8 · Lafayette, ORFatigue of the number two connecting rod end resulting in a fracture at the rod end and release from the crankshaft, an ensuing in-flight fuel fed fire, followed by the pilot's abandoning the aircraft in flight. A contributing factor was pressure on the pilot…NTSB MIA97FA217Accident · 1 fatalField investigationFinal reportGulfstream American AA-5B · Naples, FLleaking fuel cap(s), due to inadequate maintenance/repair, which resulted in water contamination of the fuel; inadequate preflight by the flight crew; and improper planning/decision by the flight crew. Factors relating to the accident were: high obstructions…NTSB LAX95LA162Accident · 1 fatalLimited investigationFinal reportPitts S-1E · Auburn, CAThe pilot's poor judgment in performing a roll at an altitude insufficient to assure a safe completion.NTSB DEN85FA102Accident · 2 fatalField investigationFinal reportPiper PA-28-181 · Vail, COThe plt did not obtain a wx briefing, file a flight plan or refuel the acft prior to departing for eagle Colorado. The acft departed at 1800 under VFR cond. The plt reported over minturn co at 2019. Witnesses at Vail co stated that the wx cond were poor from…NTSB ATL82FLJ06Accident · 2 fatalFinal reportBede BD-4 · Knightdale, NCTwo witnesses observed the aircraft on a low final approach for runway 19. They reported that the aircraft then turned to an easterly heading. One witness reported that the left turn appeared to be coordinated. The other witness heard the pilot add power…