Final NTSB investigations: Lycoming 0-235 series
4,575 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 | 137 |
|---|---|
| 1965 | 122 |
| 1966 | 98 |
| 1967 | 92 |
| 1968 | 78 |
| 1969 | 54 |
| 1970 | 74 |
| 1971 | 82 |
| 1972 | 73 |
| 1973 | 68 |
| 1974 | 68 |
| 1975 | 69 |
| 1976 | 64 |
| 1977 | 86 |
| 1978 | 152 |
| 1979 | 167 |
| 1980 | 153 |
| 1981 | 147 |
| 1982 | 148 |
| 1983 | 149 |
| 1984 | 148 |
| 1985 | 101 |
| 1986 | 99 |
| 1987 | 120 |
| 1988 | 111 |
| 1989 | 100 |
| 1990 | 86 |
| 1991 | 84 |
| 1992 | 68 |
| 1993 | 73 |
| 1994 | 71 |
| 1995 | 84 |
| 1996 | 74 |
| 1997 | 77 |
| 1998 | 67 |
| 1999 | 58 |
| 2000 | 76 |
| 2001 | 76 |
| 2002 | 67 |
| 2003 | 52 |
| 2004 | 61 |
| 2005 | 72 |
| 2006 | 47 |
| 2007 | 55 |
| 2008 | 46 |
| 2009 | 50 |
| 2010 | 30 |
| 2011 | 36 |
| 2012 | 39 |
| 2013 | 35 |
| 2014 | 19 |
| 2015 | 23 |
| 2016 | 42 |
| 2017 | 33 |
| 2018 | 40 |
| 2019 | 33 |
| 2020 | 30 |
| 2021 | 23 |
| 2022 | 32 |
| 2023 | 24 |
| 2024 | 10 |
| 2025 | 17 |
| 2026 | 5 |
Where
Latest 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.\"completionStatus\" = 'Completed'
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."completionStatus" = 'Completed'
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 WPR26LA234Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · Dixie, IDThe pilot's delayed decision to initiate a go-around and subsequent failure to maintain clearance from rising terrain.NTSB CEN26LA229Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Carbondale, ILThe flight instructor’s delayed remedial action during the student pilot’s miscalculated landing flare which resulted in a hard landing and the nose landing gear collapsing.NTSB ERA26LA240Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-108 · Westminster, MDThe pilot’s failure to maintain airplane control during takeoff, which resulted in a runway excursion and collision with terrain.NTSB WPR26LA201Accident · Minor injuriesClass 4 · LimitedFinal reportAmerican AA1 · Cowley, WYThe pilot's improper landing flare and subsequent loss of directional control during landing.NTSB WPR26LA144Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Los Angeles, CAThe pilot’s failure to maintain adequate clearance from a jet blast fence during taxi.NTSB ERA26LA076Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · East Farmingdale, NYA loss of brake effectiveness during taxi, which resulted in a collision with another airplane.NTSB CEN26LA053Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-108 · Colorado Springs, COThe pilot’s failure to maintain directional control during the landing.NTSB WPR26LA033Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 152 · Richfield, UTThe pilot’s failure to maintain directional control in gusting wind conditions during the takeoff roll.NTSB ERA26LA023Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 152 · St. Augustine, FLThe student pilot’s failure to properly set the elevator trim prior to takeoff, which resulted in her inability to effectively control the airplane’s pitch and a collision with trees at the end of the runway during initial climb.NTSB ERA26LA008Accident · No injuriesClass 4 · LimitedFinal reportChampion 7ECA · East Rockingham, NCThe pilot’s failure to maintain control of the airplane during initial climb, resulting in an aerodynamic stall and impact with terrain.NTSB ANC25LA109Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Kotlik, AKThe pilot’s failure to maintain airplane control during a go-around in variable wind conditions.NTSB CEN25LA354Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Baldwin City, KSThe pilot’s decision to continue the night landing without runway lights which resulted in the runway overrun.NTSB ERA25LA334Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Pottstown, PAThe pilot’s improper landing flare and subsequent improper recovery from a bounced landing, which resulted in substantial damage to the engine mounts.NTSB ANC25LA089Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · Egegik, AKThe pilot’s excessive use of brakes during landing roll, which resulted in a nose-over.NTSB CEN25LA235Accident · No injuriesClass 4 · LimitedFinal reportPiper PA12 · Brush, COThe pilot’s failure to maintain directional control while performing a touch and go landing.NTSB ANC25LA062Accident · No injuriesClass 4 · LimitedFinal reportChampion 7ECA · Wasilla, AKThe pilot’s excessive use of brakes during landing roll, which resulted in a nose-over.NTSB CEN25LA201Accident · No injuriesClass 4 · LimitedFinal reportLancair 235 · Pawhuska, OKThe pilot’s failure to properly configure the airplane for landing.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 CEN25LA134Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Denton, TXThe pilot’s improper landing flare and subsequent improper recovery from a bounced landing. Contributing to the accident was the gusty crosswind and windshear during landing.NTSB CEN25LA091Accident · No injuriesClass 4 · LimitedFinal reportAircraft Mfg & Development CH 2000 · Ennis, TXThe pilot’s improper fuel planning which resulted in the total loss of engine power due to fuel exhaustion.NTSB CEN25LA090Accident · No injuriesClass 4 · LimitedFinal reportRutan Long-EZ · Sparta, ILAn onboard fire for unknown reasons.NTSB CEN25LA086Incident · No injuriesClass 3 · LimitedFinal reportAmerican Champion 7ECA · Longview, TXThe failure of the lower hinge barrel due to fatigue cracking. Contributing to the failure of the lower hinge barrel was increased stress from end face contact likely associated with worn bushings or displaced needle bearings.NTSB CEN25LA054Accident · No injuriesClass 3 · LimitedFinal reportAmerican AA-1B · Brenham, TXA partial loss of engine power due to an obstructed induction system from a mud dauber nest.NTSB CEN25LA036Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Bridgeport, TXThe student pilot’s delayed go-around from an unstabilized approach and failure to attain/maintain control during the go-around that resulted in an impact with terrain.NTSB WPR24LA293Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Amboy, CAThe pilot's failure to maintain clearance from a street sign during takeoff from a road.NTSB ERA24LA303Accident · No injuriesClass 3 · LimitedFinal reportJones LONG-EZ · Thomasville, GAThe pilot reported that he was maneuvering around weather at 11,500 ft mean sea level (msl) when he made a rapid descent to 3,500 ft msl to remain clear of clouds. He reported that he did not exceed the airplane’s maneuvering speed during the descent, and…NTSB CEN24LA208Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-38-112 · Dalhart, TXThe pilot’s improper decision to take off with the airplane over its maximum allowable gross weight at a high density altitude, which degraded its climb performance and led an off airport landing.NTSB CEN24LA176Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7ECA · Watervliet, MIThe pilot’s failure to maintain control during the landing roll on a soft turf runway.NTSB CEN24LA171Accident · No injuriesClass 4 · LimitedFinal reportAmerican Champion 7ECA · Lakeport, TXThe student pilot’s failure to maintain adequate airspeed during the final approach, which resulted in an inadvertent aerodynamic stall. Contributing to the accident the flight instructor’s delayed remedial action.NTSB CEN24LA158Accident · No injuriesClass 3 · LimitedFinal reportJacobson SE5A Replica · Luther, OKThe pilot’s failure to use carburetor heat, which resulted in fuel starvation during the initial climb, a loss of engine power, and impact with terrain.NTSB ERA24LA173Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Pembroke Pines, FLAn inflight collision with a bird while approaching the destination airport.NTSB CEN24LA090Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · Lampasas, TXThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR24LA027Accident · No injuriesClass 4 · LimitedFinal reportKitfox S5 · Ririe, IDThe pilot’s inadvertent excessive use of brakes which resulted in a nose-over.NTSB ERA24LA024Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Rangeley, METhe pilot’s failure to maintain directional control during the landing roll with a crosswind, after the right tailwheel spring separated.NTSB WPR24LA021Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 152 · The Dalles, ORThe pilot’s encounter with severe turbulence at night which resulted in an extended downwind and collision with wires during the base turn.NTSB WPR23LA356Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · Eatonville, WAThe pilot's failure to maintain directional control during the takeoff roll, in gusty wind conditions, which resulted in a runway excursion.NTSB CEN23LA392Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7ECA · Midlothian, TXThe pilot’s failure to maintain directional control during landing which resulted in the right main landing gear collapse.NTSB ERA23LA353Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7ECA · Hopkinsville, KYThe pilot’s inadvertent encounter with helicopter wake turbulence during initial climb, which resulted in a loss of airplane control.NTSB CEN23LA371Accident · Minor injuriesClass 3 · LimitedFinal reportRutan Longez · Genoa Township, MIA total loss of engine power for undetermined reasons.NTSB CEN23LA362Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-38-112 · Harvard, ILThe pilot’s failure to maintain directional control during takeoff that resulted in a runway excursion and an impact with the cornfield.NTSB ERA23LA335Accident · No injuriesClass 3 · LimitedFinal reportCessna 152 · Manatí, PRThe flight instructor’s inadequate preflight inspection of the fuel level, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN23LA351Accident · No injuriesClass 3 · LimitedFinal reportTaylorcraft F21 · Holliday, TXA loss of engine power for reasons that could not be determined, which resulted in impact with terrain.NTSB WPR23LA298Accident · No injuriesClass 4 · LimitedFinal reportCessna 152 · Long Beach, CAThe flight instructor’s inattention during ground operations, which resulted in unintentional movement of the airplane and ground collision with another airplane.NTSB ERA23LA356Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-12 · Myrtle Beach, SCThe pilot’s inadequate fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ERA23LA316Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 152 · Maiden, NCThe flight instructor’s inadequate supervision of the landing approach and go-around, and his delayed remedial action.NTSB WPR23LA280Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12S · Kalispell, MTThe pilot's failure to maintain directional control of the airplane during landing with a crosswind.NTSB WPR23LA266Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-12 · Judith Gap, MTThe pilot's decision to take off on a soft field that exceeded the performance capabilities of the airplane, which resulted in an impact with a pole and terrain.NTSB ANC23LA041Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · McGrath, AKThe pilot’s delayed decision to abort the takeoff, which resulted in a forced landing and impact with terrain.NTSB CEN23LA166Accident · No injuriesClass 3 · LimitedFinal reportProtech PT2 · Columbia, MSThe pilot’s lack of proper maintenance, which allowed the fuel filters to become obstructed, leading to fuel starvation and a subsequent engine power loss.NTSB CEN23FA155Accident · 1 fatalClass 3 · FieldFinal reportJunior Ace · Mammoth Springs, ARThe pilot’s intentional flight into terrain as an act of suicide.