Final NTSB investigations: Lycoming 0-540 series

37 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the defining event was Loss of engine power (total). 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

20082026
Final NTSB investigations: Lycoming 0-540 series per year, 2008–2026: 37 cases
20083
20096
20102
20112
20122
20132
20142
20154
20162
20172
20181
20191
20201
20212
20222
20232
20261

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 ('41532')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '341'))
  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.

NTSB CEN26LA211Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Montevideo, MNA total loss of engine power on approach due to carburetor icing.Jun 1, 2026 · N15291 · Substantial damageNTSB WPR23LA239Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-24-250 · Alturas, CAA loss of engine power due to the failure of the right magneto distributor gear and the pilot’s decision to conduct a test flight with known mechanical issues.Jun 25, 2023 · N6430P · Substantial damageNTSB ERA23FA239Accident · 1 fatalClass 3 · FieldFinal reportCommander 114TC · Palm City, FLA loss of engine power for undetermined reasons, and the pilot’s subsequent loss of control, which resulted in impact with terrain.May 21, 2023 · N6042E · DestroyedNTSB ERA23LA037Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-235 · Spartanburg, SCA partial separation of the crankshaft gear/bolt, which resulted in a total loss of engine power.Oct 23, 2022 · N8580N · Substantial damageNTSB WPR22LA262Accident · No injuriesClass 3 · LimitedFinal reportMaule M-5-235C · Three Forks, MTA loss of engine power due to degraded and incorrectly maintained ignition system components. Contributing to the accident was the pilot’s delay in turning the airplane towards the runway when the engine began to lose power.Jul 20, 2022 · N6224M · Substantial damageNTSB ERA22LA028Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Sligo, PAA total loss of engine power due to fuel exhaustion as a result of the pilots mismanagement of fuel.Oct 23, 2021 · N7371P · Substantial damageNTSB WPR21FA114Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-32-260 · Los Angeles, CAThe total loss of engine power due to the failure of the No. 6 exhaust valve for reasons that could not be determined based on available evidence.Feb 19, 2021 · N57014 · Substantial damageNTSB ERA20LA195Accident · No injuriesClass 3 · LimitedFinal reportPiper PA24 · South Boston, VAThe powerplant mechanic’s failure to properly affix the engine crankshaft gear lockplate during overhaul, resulting in a total loss of engine power.May 26, 2020 · N5948P · Substantial damageNTSB ERA19TA111Accident · No injuriesFinal reportPiper PA32 · West Palm Beach (Atlantic Ocean)A total loss of engine power for reasons that could not be determined based on the available evidence, which resulted in a ditched landing in the ocean.Feb 28, 2019 · N1563X · Substantial damageNTSB CEN18LA347Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-235 · Little Rock, ARThe total loss of engine power for reasons that could not be determined based on the available evidence, which resulted in a forced landing on unsuitable terrain.Aug 22, 2018 · N7954W · Substantial damageNTSB CEN17LA372Accident · No injuriesLimited investigationFinal reportPiper PA 25-235 · Westphalia, KSA total loss of engine power due to a fatigue failure of the crankshaft that resulted from main bearing shift and lack of lubrication.Sep 28, 2017 · N7336Z · Substantial damageNTSB ERA17LA116Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Chatham, NJMaintenance personnel's improper installation and inspection of the crankshaft gear bolt during major overhaul, which resulted in the crankshaft gear disengaging from the accessory gears of the engine and a subsequent loss of power.Feb 24, 2017 · N44EK · Substantial damageNTSB WPR17LA020Accident · No injuriesLimited investigationFinal reportPiper PA 28-235 · Taylor, AZA total loss of engine power for reasons that could not be determined because postaccident examination revealed no anomalies that would have precluded normal operation.Nov 12, 2016 · N9398W · Substantial damageNTSB CEN16LA132Accident · Minor injuriesLimited investigationFinal reportPiper PA24 · Kentland, INThe loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any mechanical anomalies that would have precluded normal operation. Contributing to the accident was the flight…Mar 26, 2016 · N8154P · Substantial damageNTSB ERA16LA061Accident · Minor injuriesLimited investigationFinal reportPiper PA-24 · Millville, NJThe total loss of engine power during initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.Dec 4, 2015 · N88F · Substantial damageNTSB ERA16LA053Accident · Serious injuriesLimited investigationFinal reportPiper PA-32 · Opa Locka, FLMaintenance personnel's inadequate inspection of the exhaust system, which resulted in the escape of exhaust gases into the engine compartment and a subsequent total loss of engine power.Dec 1, 2015 · N5568J · Substantial damageNTSB ERA16LA022Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Bluemont, VAA total loss of engine power as a result of the separation of the No. 5 connecting rod for reasons that could not be determined based on the available information.Oct 23, 2015 · N43249 · Substantial damageNTSB ERA15LA149Accident · 1 fatalLimited investigationFinal reportPiper PA-24-250 · Fort Myers, FLThe pilot's inadvertent placement of both fuel selectors to the "off" position, which resulted in fuel starvation and a total loss of engine power.Mar 9, 2015 · N6514P · Substantial damageNTSB WPR15FA045Accident · 1 fatalField investigationFinal reportPiper PA 24-250 · Garberville, CAA loss of engine power for reasons that could not be determined due to extensive damage sustained during the collision and postaccident water immersion.Nov 21, 2014 · N7428P · Substantial damageNTSB CEN14LA131Accident · No injuriesLimited investigationFinal reportCessna R182 · Eustis, NEA catastrophic engine failure, which was initiated by the failure of the No. 5 connecting rod cap.Jan 26, 2014 · N1833R · Substantial damageNTSB WPR13LA109Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · Bountiful, UTA total loss of engine power during initial climb for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.Feb 1, 2013 · N8554W · Substantial damageNTSB ERA13LA112Accident · No injuriesLimited investigationFinal reportCessna T182 · Brandon, FLFailure of the No. 2 cylinder’s rod bearing, which resulted in a total loss of engine power.Jan 11, 2013 · N9454H · Substantial damageNTSB CEN13LA118Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Mc Allen, TXA loss of engine power due to carburetor icing.Dec 31, 2012 · N8053P · Substantial damageNTSB CEN12LA437Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Mott, NDThe rupture of a corroded oil line, which resulted in a total loss of engine power due to oil starvation.Jul 12, 2012 · N8801L · Substantial damageNTSB ERA11FA334Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Westbrook, CTA total loss of engine power during approach due to inadequate torque on the No. 3 cylinder hold-down nuts.Jun 10, 2011 · N8233P · Substantial damageNTSB CEN11LA161Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-235 · Matador, TXThe loss of engine power during initial climb for undetermined reasons.Jan 26, 2011 · N9478W · Substantial damageNTSB CEN10LA370Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Centerville, MOA loss of engine power due to carburetor icing as a result of the pilot not using carburetor heat.Jul 2, 2010 · N5798P · Substantial damageNTSB CEN10LA136Accident · No injuriesLimited investigationFinal reportMaule M-5-235C · La Porte, TXA loss of engine power for undetermined reasons.Feb 14, 2010 · N56347 · Substantial damageNTSB CEN10LA023Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Peoria, ILA loss of engine power for undetermined reasons during climb out after takeoff, which resulted in a forced landing to a roadway.Oct 18, 2009 · N3357W · DestroyedNTSB ERA09LA490Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Bainbridge, GAA total loss of engine power due to the loss of camshaft timing as a result of the displacement of the idler gear assembly.Aug 27, 2009 · N7339Z · Substantial damageNTSB ERA09LA380Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Westerly, RIThe pilot's failure to use carburetor heat resulting in a complete loss of engine power due to carburetor icing.Jul 4, 2009 · N4898Y · Substantial damageNTSB ANC09LA042Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Wasilla, AKA loss of engine power due to the blockage of the carburetor air inlet by a piece of engine baffling. Contributing to the accident was a worn engine baffle, and the pilot/owner's failure to have the engine baffle replaced.May 16, 2009 · N7440P · Substantial damageNTSB WPR09LA169Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-235 · San Carlos, CAA total loss of engine power during the initial climb for undetermined reasons.Mar 28, 2009 · N9249W · Substantial damageNTSB CEN09LA171Accident · No injuriesLimited investigationFinal reportPiper PA-28C-235 · Falcon, COA loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel management.Feb 22, 2009 · N9487W · Substantial damageNTSB ERA09LA096Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · New Bern, NCA loss of engine power for undetermined reasons.Dec 12, 2008 · N38558 · Substantial damageNTSB DFW08CA160Accident · Minor injuriesData collectionFinal reportPiper PA-28-235 · Amistad, NMFuel starvation while in cruise flight. Contributing to the accident were incorrect maintenance, the fuel selector movement was impeded and a plowed field.May 30, 2008 · N9122W · Substantial damageNTSB NYC08LA142Accident · No injuriesLimited investigationFinal reportPiper PA32 · New Albany, MSA loss of engine power for undetermined reasons.Mar 20, 2008 · N3304W · Substantial damage