NTSB investigations: Lycoming 0-540 series
67 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the defining event was Loss of control in flight. 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
| 2008 | 3 |
|---|---|
| 2009 | 7 |
| 2010 | 7 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 6 |
| 2025 | 1 |
| 2026 | 2 |
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.\"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\" = '240'))
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."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" = '240'))
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 ERA26FA252Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA24 · Hazen, NDOn June 28, 2026, about 1317 central daylight time, a Piper PA-24-250, N6852P, was destroyed when it was involved in an accident near Hazen, North Dakota. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…NTSB ERA26FA214Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-25-235 · Saratoga Springs, NYOn May 26, 2026, about 1347 eastern daylight time, a Piper PA-25-235 airplane, N8656L, was substantially damaged when it was involved in an accident near Saratoga Springs, New York. The pilot was fatally injured. The airplane was operated as a Title 14 Code…NTSB WPR25FA079Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-24-250 · Rock Springs, WYOn January 14, 2025, about 0622 mountain standard time, a Piper PA-24-250, N6502P, was destroyed when it was involved in an accident near Rock Springs, Wyoming. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…NTSB ERA23LA287Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Myrtle Beach, SCThe pilot’s failure to maintain control of the helicopter during a hover taxi, which resulted in a rollover.NTSB CEN23LA255Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Westhope, NDThe pilot’s failure to maintain aircraft control that resulted in an impact with terrain after takeoff.NTSB ERA23FA266Accident · 1 fatalClass 3 · FieldFinal reportWonder Michael S Harmon Rocket · Porter, NYThe pilot’s failure to maintain control of the airplane while initiating a low-altitude aerobatic maneuver, which resulted in impact with trees and terrain. Contributing to the accident was the pilot’s high-risk behavior.NTSB ERA23LA240Accident · 1 fatalClass 3 · LimitedFinal reportCessna R182 · Macon, NCThe pilot’s failure to properly set the elevator trim before takeoff, which resulted in a loss of control during takeoff.NTSB ERA23FA234Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-25-235 · Hollywood, FLThe pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and loss of aircraft control.NTSB WPR23LA162Accident · No injuriesClass 3 · LimitedFinal reportCessna R182 · Grand Canyon, AZThe airplane’s loss of engine power for undetermined reasons and the pilot’s exceedance of the airplane’s critical angle of attack and subsequent failure to maintain adequate airspeed, which resulted in an aerodynamic stall.NTSB WPR22FA264Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-28-235 · Seguin, TXThe pilot’s failure to maintain adequate airspeed while maneuvering at a low altitude after being distracted when the engine cowling opened during flight, which led to a loss of control and subsequent impact with terrain. Contributing to the accident was the…NTSB CEN22FA131Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-32-260 · Fostoria, OHThe pilot’s loss of airplane control in night instrument meteorological conditions during the procedure turn of an instrument approach due to spatial disorientation, which resulted in a collision with terrain.NTSB CEN22LA091Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-235 · Presidio, TXThe non-certificated pilot’s failure to perform a preflight weight and balance calculation and his decision to operate the airplane beyond the allowable center of gravity limitations, which resulted in a loss of control and impact with terrain.NTSB ANC22FA005Accident · 1 fatalClass 3 · FieldFinal reportGerald Jones 2+2 · Kodiak, AKThe pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall.NTSB ERA22LA043Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA-28-236 · Orleans, MAThe pilot’s spatial disorientation and subsequent loss of airplane control while maneuvering over water in dark night conditions.NTSB WPR21LA245Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Big Bear City, CAThe pilot’s inadequate flare and subsequent loss of airplane control during an aborted landing in gusting wind, which resulted in impact with trees.NTSB GAA21WA076Accident · 1 fatalClass 4 · ForeignPiper PA-31-350 · South Bimini, BahamasNTSB ERA21FA140Accident · 3 fatalClass 3 · FieldFinal reportCessna R182 · Gainesville, GAThe pilot’s loss of control due to spatial disorientation. Contributing to the accident was the pilot’s decision to depart into low instrument meteorological conditions.NTSB ERA20CA282Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA32 · Montauk, NYThe pilot's improper recovery from a bounced landing and failure to maintain directional control, which resulted in a runway excursion and collision with trees.NTSB CEN20WA024Accident · 7 fatalForeign investigationPiper PA32 · Kingston, CanadaNTSB ERA19LA287Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson R44 · Sanford, METhe student pilot's failure to maintain helicopter control while hover-taxiing in gusting wind conditions.NTSB GAA19CA511Accident · No injuriesData collectionFinal reportPiper PA28 · Cottonwood, AZThe student pilot's improper pitch and lateral control during a soft-field takeoff, which resulted in impact with terrain. Contributing to the accident was the student pilot's failure to relinquish control of the airplane to the instructor.NTSB ERA19FA179Accident · 1 fatalField investigationFinal reportCessna TR182 · St. Simons Island, GAThe pilot's loss of airplane control during approach for undetermined reasons.NTSB WPR19FA042Accident · 1 fatalClass 2 · FieldFinal reportPiper PA-24-250 · Aberdeen, IDThe pilot's diverted attention during the takeoff climb due to a loss of engine power, which resulted in the airplane’s exceedance of the critical angle of attack and subsequent stall/spin.NTSB GAA18CA556Accident · No injuriesData collectionFinal reportCessna R182 · Mount Holly, NJThe pilot’s failure to maintain lateral control of the airplane during landing, which resulted in a loss of directional control and subsequent runway excursion.NTSB CEN18LA378Accident · Serious injuriesLimited investigationFinal reportPiper PA32 · Hereford, TXThe pilot’s exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall.NTSB GAA18CA311Accident · Minor injuriesData collectionFinal reportMaule M5 · Lewiston, IDThe pilot’s failure to maintain the runway centerline and his subsequent decision to not perform a go-around, which resulted in the main landing gear contacting tall wheat and a subsequent loss of control.NTSB ERA18FA118Accident · 1 fatalField investigationFinal reportCessna R182 · Ashville, ALDescent and impact with terrain for reasons that could not be determined.NTSB WPR18LA010Accident · 2 fatalLimited investigationFinal reportRobinson Helicopter R44 · Molokai, HIA descent and subsequent impact with open ocean waters for reasons that could not be determined based on the available information.NTSB GAA18CA006Accident · No injuriesData collectionFinal reportMaule M 7 · Manokatak, AKThe pilot’s failure to maintain directional control during takeoff in gusting wind conditions.NTSB ERA18FA006Accident · 1 fatalField investigationFinal reportPiper PA 25-235 · Front Royal, VAThe tow plane pilot's loss of airplane control for reasons that could not be determined based on the available evidence. Contributing to the accident was the glider instructor's diversion of attention away from the tow airplane which resulted in his delay in…NTSB CEN17FA361Accident · 3 fatalField investigationFinal reportCessna TR182 · Thief River Falls, MNThe noninstrument-rated pilot's decision to depart into instrument meteorological conditions, and his subsequent loss of control due to spatial disorientation.NTSB WPR17FA052Accident · 1 fatalField investigationFinal reportPiper PA 28-236 · Port Orford, ORThe pilot's loss of vision during cruise flight, which resulted in a loss of aircraft control. Contributing to the accident was the pilot's decision to fly with a known medical condition.NTSB CEN16LA332Accident · No injuriesLimited investigationFinal reportPiper PA 25-235 · Miller, MOThe mechanic's improper installation of the left aileron swage fitting, which resulted in an inflight loss of control.NTSB CEN16LA255Accident · Minor injuriesLimited investigationFinal reportPiper PA 25-235 · Arlington, WIThe pilot’s failure to establish proper airspeed and angle-of-attack during takeoff with the airplane at its maximum gross weight in elevated density altitude and gusting tailwind conditions, which resulted in an aerodynamic stall.NTSB GAA16CA279Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Las Vegas, NVThe pilot receiving instruction's incorrect action of interfering with the flight controls and failure to comply with the flight instructor's commands, which resulted in a loss of lateral bank control and a rollover.NTSB WPR15FA250Accident · 1 fatalField investigationFinal reportPiper PA 25 · Llano, CAThe pilot's loss of airplane control during the landing approach due to an incapacitating medical event.NTSB WPR14CA397Accident · No injuriesData collectionFinal reportPiper PA 24-250 · Rancho Murieta, CAThe student pilot's failure to maintain adequate airspeed during takeoff and the certified flight instructors delayed remedial action, which resulted in the stall.NTSB ANC14CA060Accident · No injuriesData collectionFinal reportPiper PA 32-260 · Anderson, AKThe pilot's inadequate compensation for wind conditions, which resulted in a hard landing.NTSB CEN14FA328Accident · 3 fatalField investigationFinal reportPiper PA 28-235 · Georgetown, COThe pilot’s inability to maintain a climb while maneuvering the airplane in high-density altitude conditions that degraded the airplane’s climb performance and his exceedance of the airplane’s critical angle-of-attack, which led to an aerodynamic stall and…NTSB CEN13FA259Accident · 1 fatalField investigationFinal reportPiper PA-25-235 · Lamar, MOThe pilot's in-flight loss of control, which was likely due to a sudden cardiac event.NTSB CEN12FA628Accident · 1 fatalField investigationFinal reportPiper PA-23-250 · Bullard, TXThe pilot's maneuver, which exceeded the airplane's structural limit and resulted in an in-flight breakup.NTSB WPR12CA388Accident · Minor injuriesData collectionFinal reportPiggott John H Bearhawk · Sequim, WAThe student pilot's failure to maintain directional control on landing.NTSB CEN12FA571Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Milner, COThe student pilot's impairment from alcohol, marijuana, and hypoxia, which adversely affected his ability to maintain control of the airplane.NTSB WPR12FA339Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Truckee, CAThe pilot’s failure to maintain control of the airplane during initial climb. Contributing to the accident was the pilot’s impairment by prescription pain medication.NTSB CEN12FA101Accident · 2 fatalField investigationFinal reportPiper PA-28-235D · Chickasha, OKThe non-instrument-rated pilot's decision to continue flight into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control of the airplane. Contributing to the accident was the pilot’s lack of instrument…NTSB CEN12FA097Accident · 2 fatalField investigationFinal reportPiper PA-32-260 · St. Ignace, MIThe pilot’s decision to initiate visual flight in instrument meteorological conditions and subsequent failure to maintain adequate altitude.NTSB WPR11FA367Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Camas, WAThe pilot's failure to maintain control of the airplane while maneuvering in the traffic pattern.NTSB ERA11LA380Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Lakewood, NJThe pilot’s inadequate yaw control of the helicopter while hovering.NTSB CEN11FA428Accident · 1 fatalField investigationFinal reportCessna R182 · Thornton, COThe pilot's inadvertent encounter with a microburst while operating at a low altitude, which resulted in a loss of control from which the pilot could not recover. Contributing to the accident was the pilot’s inadequate preflight planning for the forecasted…NTSB WPR11FA248Accident · 1 fatalField investigationFinal reportPiper PA-24-250 · Astoria, ORThe student pilot’s failure to maintain adequate airspeed while maneuvering for landing, which resulted in a stall/spin. Contributing to the accident were the pilot's distraction and anxiety from a reported failure of the airplane's electrical system.