NTSB investigations: Lycoming 0-540 series, FL
222 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 | 6 |
|---|---|
| 1965 | 11 |
| 1966 | 7 |
| 1967 | 9 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 9 |
| 1971 | 2 |
| 1972 | 9 |
| 1973 | 9 |
| 1974 | 1 |
| 1975 | 5 |
| 1976 | 3 |
| 1977 | 5 |
| 1978 | 6 |
| 1979 | 7 |
| 1980 | 12 |
| 1981 | 3 |
| 1982 | 6 |
| 1983 | 2 |
| 1984 | 4 |
| 1985 | 8 |
| 1986 | 3 |
| 1987 | 4 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 4 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 7 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 6 |
| 2004 | 6 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 3 |
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.\"eventStateOrRegion\" = 'FL' AND c.\"eventCountry\" = 'USA'
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."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
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 ANC26LA053Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-28-235 · Key West, FLOn June 14, 2026, at 1035 eastern standard time, a Piper PA-28-235 airplane, N15564, was substantially damaged when it was involved in an accident near Key West, Florida. The pilot was not injured and the passenger sustained minor injuries. The airplane was…NTSB ERA26LA235Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-250 · Bartow, FLThe pilot’s failure to extend the landing gear before landing.NTSB ANC26FA021Accident · 2 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R44 · Boynton Beach, FLOn March 23, 2026, about 1221 eastern daylight time, a Robinson R44 Raven I helicopter, N478AT, was destroyed when it was involved in an accident near Boynton Beach, Florida. The flight instructor and the pilot receiving instruction were fatally injured. The…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 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 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 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 ERA23LA290Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-235 · Clearwater, FLThe pilot’s improper preflight inspection which resulted in a loss of engine power due to fuel contamination (water).NTSB 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.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 ERA23FA185Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-32-260 · Sebastian, FLThe pilot’s failure to maintain airplane control during recovery from a bounced landing, which resulted in the exceedance of the airplane’s critical angle of attack and an aerodynamic stall.NTSB ERA21LA067Accident · No injuriesClass 4 · LimitedFinal reportPiper PA23 · Milton, FLThe pilot’s failure to attain a proper touchdown point and his landing with a high approach speed, which resulted in a runway overrun.NTSB ERA20LA247Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Fort Lauderdale, FLThe failure of both pilots to see and avoid each other while taxiing, which resulted in a ground collision. Contributing to the accident was the tower controller’s failure to provide information to each pilot regarding the position and intention of the other…NTSB ERA20FA085Accident · 1 fatalClass 3 · FieldFinal reportPiper PA32 · Lake City, FLThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and subsequent loss of control at low altitude.NTSB CEN19LA257Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Jacksonville, FLThe pilot's failure to select a fuel tank with adequate fuel, which resulted in fuel starvation and a total loss of engine power.NTSB GAA19CA196Accident · No injuriesData collectionFinal reportPiper PA32 · Lakeland, FLThe pilot's failure to maintain clearance from a fence post during taxi to parking.NTSB ERA19FA112Accident · 1 fatalClass 3 · FieldFinal reportPiper PA25 · Fort Lauderdale, FLThe pilot’s failure to maintain proper altitude and clearance while maneuvering during a banner tow flight, which resulted in an in-flight collision with a 19-story building in a heavily congested area. Contributing to the accident were the easterly wind…NTSB ERA18FA200Accident · 2 fatalField investigationFinal reportPiper PA24 · Palatka, FLThe pilot's exceedance of the airplane's critical angle of attack during the initial climb after takeoff, which resulted in an aerodynamic stall and a loss of control.NTSB ERA17LA287Accident · No injuriesLimited investigationFinal reportCessna R182 · Clearwater, FLThe improper maintenance of the landing gear system and subsequent failure of the hydraulic landing gear down return line, which resulted in a loss of hydraulic fluid and the pilot’s inability to extend and lock the main landing gear.NTSB ERA16LA225Accident · No injuriesLimited investigationFinal reportPiper PA 28-236 · Punta Gorda, FLThe tower controller’s failure to identify and mitigate jet blast from an airplane conducting an engine test run, and the effect of the jet blast on landing traffic, which resulted in a runway excursion when a landing airplane encountered the blast.…NTSB ERA16LA190Accident · No injuriesLimited investigationFinal reportCessna R182 · Lake City, FLInternal failure of the main electrical contactor, which resulted in a complete loss of electrical power and an inability to extend the landing gear through normal means.NTSB 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.NTSB 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.NTSB ERA15CA074Accident · No injuriesData collectionFinal reportCessna R182 · Vero Beach, FLThe pilot's improper landing flare, resulting in a hard landing.NTSB ERA14LA244Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · Brooksville, FLThe pilot’s loss of directional control while landing at night, which resulted in a runway excursion and collision with airport signage. Contributing to the accident was the total loss of electrical power, which necessitated the pilot having to land without…NTSB ERA13CA280Accident · No injuriesData collectionFinal reportPiper PA-25-260 · Hollywood, FLThe pilot's failure to maintain directional control during the landing roll.NTSB ERA13CA164Accident · Minor injuriesData collectionFinal reportPiper PA-25-235 · Groveland, FLThe pilot's failure to maintain the proper airspeed during a tailwind approach, his improper decision to continue a fast approach with a tailwind rather than go around, and his improper use of the wheel brakes during the landing roll.NTSB 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.NTSB ERA12FA130Accident · 1 fatalField investigationFinal reportPiper PA-25-235 · Jacksonville, FLThe pilot's in-flight loss of control during climb after a banner pickup. Contributing to the accident was the pilot's impairment due to marijuana.NTSB ERA11CA505Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Clearwater, FLThe certified flight instructor's delayed remedial action, which resulted in a loss of control and subsequent rollover.NTSB ERA11CA080Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Canal Point, FLPilot fatigue due to lack of sleep resulting in incapacitation (falling asleep) and ground contact while maneuvering at a low altitude.NTSB ERA10FA232Accident · 1 fatalField investigationFinal reportMaule M5-235C · Zellwood, FLThe pilot's failure to maintain airspeed while maneuvering after takeoff, which resulted in an aerodynamic stall, loss of aircraft control, and collision with trees.NTSB ERA09LA131Accident · 1 fatalLimited investigationFinal reportPiper PA-25-235 · Pensacola, FLThe pilot’s failure to maintain airspeed following a total loss of engine power during a low-level approach, which resulted in an aerodynamic stall. Contributing to the accident was fuel exhaustion due to the pilot’s inadequate preflight planning.NTSB NYC08CA141Accident · No injuriesData collectionFinal reportPiper PA-25-260 · Opa Locka, FLThe entanglement of the hook rope with the rudder horn during banner pickup.NTSB NYC08CA063Accident · No injuriesData collectionFinal reportMaule M-7-235 · Key Largo, FLThe pilot's loss of control during the landing. Contributing was the wind gust.NTSB MIA08LA029Accident · Minor injuriesLimited investigationFinal reportPiper PA32-260 · Marathon, FLA loss of engine power for undetermined reasons.NTSB NYC08LA029Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-235 · Hollywood, FLThe pilot's failure to maintain adequate airspeed, resulting in an aerodynamic stall. Contributing to the accident were an inoperative stall warning system and an erroneous airspeed indicator.NTSB MIA07LA157Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Wimauma, FLThe failure of the pilot to maintain airspeed while maneuvering for a precautionary landing following a reported loss of engine power for undetermined reasons.NTSB ANC06CA057Accident · No injuriesData collectionFinal reportRobinson R-44 · Indiantown, FLA hard landing and subsequent nose down when the helicopter pilot misjudged the landing flare during a touchdown autorotation.NTSB MIA06FA092Accident · Serious injuriesField investigationFinal reportPiper PA-32-260 · Dunnellon, FLThe loss of engine power as a result of fuel starvation due to a contaminated carburetor fuel inlet screen.NTSB MIA06FA039Accident · 3 fatalField investigationFinal reportRobinson R44 · Grand Ridge, FLThe pilot's continued flight into known adverse weather, and his impairment, which resulted in an in-flight collision with trees and terrain during cruise flight.NTSB MIA05CA082Accident · No injuriesData collectionFinal reportPiper PA-23-250 · West Palm Beach, FLThe failure of the pilot to maintain proper alignment with the runway, his failure to perform a go around after recognizing the aircraft was not properly aligned for landing, and his intentionally landing on a taxiway which resulted in a landing overrun and…NTSB MIA05FA020Accident · 1 fatalField investigationFinal reportRawdon Bros. T1 · Pembroke Pines, FLImproper maintenance by company maintenance personnel, and the pilot-in-command's operating the airplane with known deficiencies, which resulted in the loss of engine power due to fuel system contamination, and a loss of control while maneuvering to return to…NTSB MIA04FA128Accident · 4 fatalField investigationFinal reportCessna R182 · Milton, FLThe pilots operation of the airplane with known deficiencies in the equipment based on witness statements describing an excessive rpm drop and rough running engine after starting, during the engine run-up, and after becoming airborne, his failure to abort the…NTSB MIA04FA086Accident · 1 fatalField investigationFinal reportPiper PA-32-260 · Venice, FLFailure of the pilot to recover from an improper landing flare resulting in his failure to maintain airspeed (Vs), an inadvertant stall, loss of control, and inflight collision with terrain during an uncontrolled descent.NTSB ANC04LA043Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · West Palm Beach, FLThe incorrect assembly of the fuel selector valve by maintenance personnel, and the pilot's failure to make a precautionary landing to assess the fuel situation and lack of movement of the right fuel tank indicator. which resulted in fuel starvation and the…NTSB MIA04LA061Accident · No injuriesLimited investigationFinal reportRobinson R44 · Ocala, FLThe failure of the pilot to maintain control of the helicopter following a reported loss of engine power after picking up to a hover from a dolly.NTSB MIA04CA041Accident · No injuriesData collectionFinal reportMaule M-7-235B · Fort Lauderdale, FLThe pilot's failure to maintain aircraft control. A factor in this accident was the improper use of full flaps.NTSB MIA03LA162Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-235 · West Palm Beach, FLThe poor judgment by the pilot-in-command of the airplane for his initiation of takeoff after the helicopter pilot had announced intention to perform a 180-degree autorotation to the runway, and the failure of both pilots to maintain visual lookout resulting…NTSB MIA03LA149Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Plantation, FLThe pilot's improper preflight planning and failure to refuel before the flight, which resulted in fuel exhaustion, a forced landing and damage to the airplane during the landing.