Final NTSB investigations: Lycoming 0-540 series
3,482 cases on aircraft whose registry engine model is Lycoming 0-540 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 | 146 |
|---|---|
| 1965 | 151 |
| 1966 | 150 |
| 1967 | 192 |
| 1968 | 128 |
| 1969 | 110 |
| 1970 | 110 |
| 1971 | 118 |
| 1972 | 115 |
| 1973 | 83 |
| 1974 | 98 |
| 1975 | 83 |
| 1976 | 77 |
| 1977 | 97 |
| 1978 | 78 |
| 1979 | 92 |
| 1980 | 82 |
| 1981 | 80 |
| 1982 | 58 |
| 1983 | 59 |
| 1984 | 51 |
| 1985 | 59 |
| 1986 | 29 |
| 1987 | 47 |
| 1988 | 40 |
| 1989 | 34 |
| 1990 | 38 |
| 1991 | 31 |
| 1992 | 28 |
| 1993 | 25 |
| 1994 | 41 |
| 1995 | 40 |
| 1996 | 41 |
| 1997 | 24 |
| 1998 | 29 |
| 1999 | 35 |
| 2000 | 34 |
| 2001 | 39 |
| 2002 | 50 |
| 2003 | 37 |
| 2004 | 35 |
| 2005 | 39 |
| 2006 | 42 |
| 2007 | 30 |
| 2008 | 36 |
| 2009 | 36 |
| 2010 | 27 |
| 2011 | 37 |
| 2012 | 24 |
| 2013 | 15 |
| 2014 | 31 |
| 2015 | 24 |
| 2016 | 26 |
| 2017 | 24 |
| 2018 | 25 |
| 2019 | 29 |
| 2020 | 24 |
| 2021 | 25 |
| 2022 | 24 |
| 2023 | 27 |
| 2024 | 21 |
| 2025 | 14 |
| 2026 | 8 |
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.\"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 ('41532'))
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 ('41532'))
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 ERA26LA259Accident · Serious injuriesClass 4 · LimitedFinal reportMaule M-5-235C · Hickman, KYThe pilot’s failure to maintain a proper glide path, which resulted in a runway undershoot.NTSB ERA26LA234Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Mayesville, SCThe pilot’s failure to remain clear of a power line during an aerial application flight.NTSB CEN26LA211Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Montevideo, MNA total loss of engine power on approach due to carburetor icing.NTSB ERA26LA228Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Fitchburg, MAThe pilot’s improper landing flare, which resulted in a hard landing.NTSB ERA26LA235Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Bartow, FLThe pilot’s failure to extend the landing gear before landing.NTSB CEN26LA146Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Madison, INThe pilot’s failure to maintain proper airspeed during takeoff and exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and impact with terrain.NTSB CEN26LA089Accident · No injuriesClass 4 · LimitedFinal reportPiper PA24 · Bay City, MIThe pilot's failure to ensure the landing gear was down and locked before landing.NTSB WPR26LA075Accident · No injuriesClass 4 · LimitedFinal reportMaule M-5-235C · Jay Em, WYThe loss of directional control and subsequent nose over due to the inadvertent engagement of the right wheel parking brake as a result of cabin floor carpeting migrating between the right brake master cylinder and parking brake locking lever.NTSB CEN26LA073Accident · Minor injuriesClass 4 · LimitedFinal reportRockwell International 114 · Stroud, OKThe pilot’s inadequate fuel planning, which resulted in a total loss of power due to fuel exhaustion.NTSB CEN26LA038Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Brainerd, MNThe pilot’s failure to extended to landing gear before landing.NTSB CEN26LA025Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Eau Claire, WIThe pilot’s failure to ensure that the landing gear was properly extended before landing. Contributing to the accident was the pilot’s unfamiliarity with the landing gear warning horn and failure to verify the gear was extended with the cockpit position…NTSB CEN25LA336Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Argusville, NDThe pilot’s failure to maintain clearance from terrain while maneuvering at low altitude.NTSB WPR25LA237Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Thermal, CAThe pilot's failure to extend the landing gear during landing. Contributing to the accident was the pilot’s failure to use a pre-landing checklist.NTSB CEN25LA290Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Lansing, ILThe pilot's failure to extend the landing gear before landing due to his distraction of other traffic and failure to follow his landing procedures.NTSB ERA25LA235Accident · No injuriesClass 3 · LimitedFinal reportCessna R182 · Milton, FLSeparation of the throttle cable sleeve during takeoff, which resulted an uncommanded engine power reduction and the pilot’s inability to control the engine throttle, and resulted in a forced landing.NTSB WPR25LA186Accident · No injuriesClass 4 · LimitedFinal reportKohut Mark A Murphy SR 2500 · Challis, IDThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR25LA131Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-260 · Green Valley, AZThe pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB ERA25LA130Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Manchester, VTThe pilot’s improper decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in the accumulation of airframe icing and a subsequent aerodynamic stall/spin.NTSB WPR25LA092Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-235 · Shafter, CAA total loss of engine power due to carburetor ice. Contributing was the student pilot and flight instructors’ failure to utilize carburetor heat.NTSB CEN25LA085Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Mount Vernon, ILThe pilot's improper landing flare and subsequent improper recovery from a bounced landing, which resulted in a collision with terrain.NTSB CEN25LA081Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Bentonville, ARThe pilots’ mismanagement of the available fuel, which resulted in a loss of engine power due to fuel starvation.NTSB CEN25LA079Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Tyler, TXAn electrical system surge for a reason that could not be determined that resulted in an overvoltage event, internal damage to electronics equipment, smoke in the cockpit, and a gear up landing.NTSB CEN25LA045Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Crowley, LAThe pilot’s un-stabilized landing approach and high airspeed during the approach, that resulted in touchdown with insufficient runway remaining to stop the airplane.NTSB ERA25LA006Accident · No injuriesClass 4 · LimitedFinal reportPiper PA24 · Moore Haven, FLThe pilot’s failure to initiate the cross country flight with an adequate fuel supply, resulting in a loss of engine power and forced landing due to fuel exhaustion.NTSB WPR25LA012Accident · Minor injuriesClass 4 · LimitedFinal reportMaule M-5-235C · Soda Springs, IDThe passenger’s inadvertent application of brakes during landing which resulted in a nose over.NTSB CEN25LA001Accident · No injuriesClass 4 · LimitedFinal reportCessna TR182 · Englewood, COThe collapse of the right main landing gear during landing rollout.NTSB CEN24LA370Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Muskogee, OKThe pilot’s inattention to refueling during turn-around operations which resulted in a loss of engine power due to fuel exhaustion.NTSB ERA24LA380Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Baltimore, MDThe undetected worn internal parts of the on-condition carburetor, which restricted movement of the float, resulting in fuel starvation. Contributing to the severity of the accident was the pilot’s delayed reduction of the throttle when performing a forced…NTSB CEN24LA345Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-180 · Grand Island, NEThe pilot’s inadequate preflight planning/preparation that resulted in fuel exhaustion during cruise flight, a total loss of engine power, and an impact with terrain during a forced landing.NTSB ERA24LA350Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Shirley, NYThe pilot’s excessive speed during the final approach, which resulted in a collision with a fence during the subsequent aborted landing.NTSB CEN24LA322Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Chetek, WIThe pilot’s improper landing flare and hard landing.NTSB ANC24LA070Accident · No injuriesClass 4 · LimitedFinal reportRoberts Jeff Super RV8 · Carter, WYThe pilots encounter with a shifting winds during takeoff, which resulted in a loss of control and runway excursion.NTSB ERA24LA288Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Medina, OHThe pilot’s failure to extend the landing gear and the flight instructor’s lack of remedial action, which resulted in a landing with the landing gear not correctly configured.NTSB WPR24LA197Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Fernley, NVThe pilot’s failure to maintain directional control during gusting wind conditions.NTSB ERA24LA257Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Zephyrhills, FLA partial loss of engine power during initial climb due to fuel contamination that resulted from corrosion and loose corrosion debris in the carburetor, which restricted fuel flow to the engine.NTSB ERA24LA248Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-25-235 · Colquitt, GAThe failure of the fuel shutoff valve from corrosion, which allowed the valve stem to obstruct the internal fuel port, resulting in a restriction of fuel flow to the engine.NTSB CEN24LA206Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Colorado Springs, COThe pilot’s failure to use the carburetor heat during a descent that resulted in the loss of engine power due to carburetor icing.NTSB WPR24LA160Accident · Minor injuriesClass 3 · LimitedFinal reportSteen Skybolt · Santa Maria, CAA total loss of engine power during approach for reasons that could not be determined.NTSB ERA24LA177Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Carrabassett, METhe pilot’s failure to attain a proper touchdown point while landing in gusty wind conditions.NTSB ERA24LA164Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · North Kingstown, RIA total loss of engine power during final approach due to the pilot’s failure to recognize that the environmental conditions were susceptible to carburetor icing and apply carburetor heat, which resulted in the formation of carburetor ice. Contributing to the…NTSB WPR24FA105Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-32-260 · Madras, ORThe pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in an encounter with turbulence and structural icing conditions, loss of control, and subsequent impact with terrain.NTSB CEN24LA122Accident · No injuriesClass 4 · LimitedFinal reportPiper PA32 · Tulsa, OKThe pilot's inadvertent retraction of the flaps while landing which resulted in a hard landing and loss of directional control.NTSB ERA24LA108Accident · No injuriesClass 4 · LimitedFinal reportCessna R182 · Abingdon, VAThe pilot's failure to lower the airplane's landing gear prior to landing, which resulted in abnormal runway contact.NTSB CEN24LA059Accident · No injuriesClass 4 · LimitedFinal reportPiper PA28 · Lubbock, TXThe pilot’s failure to maintain directional control during the landing that resulted in a runway excursion, an impact with a runway sign, and a nose gear collapse.NTSB ERA24LA054Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32-260 · Millington, TNThe pilots’ fuel mismanagement during the cross-country flight and incorrect fuel tank selection for the landing approach, which resulted in fuel starvation, a momentary loss of engine power, and collision with terrain short of the runway.NTSB ERA24LA031Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Ocklawaha, FLThe pilot’s failure to attain a proper touchdown point which resulted in a runway overrun and subsequent impact with a fence.NTSB ERA24LA014Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Ottawa, OHA total loss of engine power due to the formation of carburetor ice..NTSB CEN23FA360Accident · Serious injuriesClass 3 · FieldFinal reportPiper PA-24-250 · Oklahoma City, OKThe pilot’s mismanagement of fuel, which resulted in fuel starvation and a subsequent total loss of engine power.NTSB CEN23LA357Accident · No injuriesClass 4 · LimitedFinal reportPiper PA25 · Hartington, NEThe pilot’s misperception of the rising terrain resulting in a collision with crops and terrain.NTSB WPR23LA293Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Port Angeles, WAThe pilot’s inadequate fuel monitoring, which resulted in a total loss of engine power due to fuel starvation.