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NTSB investigations: Lycoming 0-540 series, AR

71 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

NTSB investigations: Lycoming 0-540 series, AR per year, 1964–2026: 71 cases
1964	3
1965	3
1966	5
1967	3
1968	1
1969	6
1970	4
1971	2
1972	3
1974	5
1975	2
1976	1
1977	4
1978	1
1979	3
1980	4
1981	2
1982	2
1984	2
1987	2
1988	1
1992	3
2000	2
2004	1
2005	1
2015	1
2018	1
2022	1
2025	2

Where

Latest cases

Query with SQL

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" = 'AR' 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

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\" = 'AR' 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" = 'AR' 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

Run 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 CEN25FA308Accident · 1 fatalClass 3 · FieldPreliminary reportCessna T182T · Augusta, AROn August 7, 2025, at 1037 central daylight time, a Cessna T182T airplane, N35370, was substantially damaged when it was involved in an accident near Augusta, Arkansas. The pilot was fatally injured and the passenger received minor injuries. The airplane was…Aug 7, 2025 · N35370 · Substantial damage 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.Jan 16, 2025 · N6799P · Substantial damage NTSB CEN22LA161Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Benton, ARThe pilot’s failure to maintain control of the airplane while landing.Mar 26, 2022 · N7523Z · Substantial damage NTSB 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 damage NTSB GAA15CA013Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Lake Hamilton, ARThe pilot's overcorrection to the landing pad shifting, which resulted in the helicopter impacting trees. A factor contributing to the accident was the collapse of the landing pad.Mar 21, 2015 · N701CT · Substantial damage NTSB DFW05LA118Accident · 2 fatalLimited investigationFinal reportCessna TR182 · Little Rock, ARThe pilot's failure to maintain control of the airplane during an instrument approach for undetermined reasons. Contributing factors were the mist and low cloud ceiling.Jan 10, 2005 · N6150S · Destroyed NTSB FTW04FA057Accident · 1 fatalField investigationFinal reportCessna 182RG · El Dorado, ARThe loss of engine power as a result of loss of engine oil due to the failure of the oil filter converter plate gasket and the noncompliance to an airworthiness directive. Contributing factors were the lack of suitable terrain for the forced landing and the…Jan 6, 2004 · N9318R · Substantial damage NTSB FTW01LA044Accident · No injuriesLimited investigationFinal reportCessna TR182 · Little Rock, ARthe failure of the right main landing gear actuator.Dec 22, 2000 · N2225T · Substantial damage NTSB FTW01LA018Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-235 · Almyra, ARthe loss of engine power due to the crankshaft idler gear's loose lower retaining screw, which resulted in the fatigue failure of the crankshaft idler gear's upper retaining screw.Nov 1, 2000 · N8710W · Substantial damage NTSB FTW92LA226Accident · No injuriesLimited investigationFinal reportBell 47-J2A · Booneville, ARThe pilot's failure to maintain adequate rotor RPM during autorotative landing. Factors were fuel exhaustion, the pilot's improper fuel consumption calculations, and the pilot not refueling the helicopter.Sep 16, 1992 · N291FW · Substantial damage NTSB FTW92LA138Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-260 · Des Arc, ARThe power loss due to the failed exhaust stack resultant from inadequate maintenance inspection. Factors were the lack of suitable terrain for the landing and the pilot's failure to maintain airspeed.May 21, 1992 · N7354Z · Substantial damage NTSB FTW92LA097Accident · No injuriesLimited investigationFinal reportCessna R182RG · Little Rock, ARThe complete loss of engine power due to carburetor icing, and the pilot's delayed application of carburetor heat. Factors were the weather conditions which were highly conducive to carburetor icing, and the unsuitable terrain at the pilot's disposal to…Mar 26, 1992 · N5529S · Substantial damage NTSB MKC89LA037Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Jacksonville, ARDuring a local familarization and acceptance flight for the new acft owner, smoke entered the cockpit and oil pressure was lost. A precautionary emergency ldg was attempted on a soft, muddy, plowed farm field, resulting in substantial damage to the acft.…Dec 10, 1988 · N8356P · Substantial damage NTSB MKC87DPG02Accident · Serious injuriesFinal reportPiper PA-25-235 · Hazen, ARThe pilot stated to a witness that after coming out of his 2nd pass, in the last 1/3 of his procedural turn, the plane stalled and the right wing struck a telephone wire which caused it to swing onto a gravel road. It hit left wing/nose down, bounced, and…Jul 11, 1987 · N7705Z · Destroyed NTSB MKC87LA060Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Carlisle, ARThe PIC was climbing enroute to a field to spread fertilizer. Abt 2 minutes into the climb the acft eng quit. The forced landing substantially damaged the acft. The PIC commented in his rpt that he should have checked fuel before departure even though he had…Mar 3, 1987 · N6540Z · Substantial damage NTSB MKC84LA223Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Pollard, ARThe plt stated that he was spot spraying a bean field and was aware of the location of the electrical transmission line. As he attempted to maneuver the acft under the line, a wing made contact with the line and the acft inpacted the ground.Jul 19, 1984 · N8815L · Destroyed NTSB MKC84LA128Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Pocahontas, ARThe acft crashed after an engine failure during a swath run at an alt of 20 ft AGL. Examination of the engine revealed 3 dowel pins and 6 screws which hold the starter drive gear and the accessory drive gear had sheared. Metallurgical exam revealed that dowel…Apr 24, 1984 · N9740C · Destroyed NTSB FTW82DPG16Accident · Minor injuriesFinal reportCallair A-9 · Hollygrove, ARThe pilot departed the Hollygrove flying service airport, made an immediate left turn, and sank into the trees east of the airport. He managed to dump the full load of chemicals before impact with the trees. The aircraft gave no indicationof any mechanical…Jun 23, 1982 · N7296V · Substantial damage NTSB FTW82DA037Accident · Serious injuriesFinal reportPiper PA-24-250 · Lonoke, ARThe pilot stated that the engine failed at 2000 ft as he was descending for an approach. He switched the fuel selector from the right tank to the left tank, turned on the boost pump, and pumped the throttle but the engine failed to start. The aircraft landed…Jan 5, 1982 · N5304P · Substantial damage NTSB FTW81DPG57Accident · No injuriesClosedPiper PA-25 · Mcgehee, ARJul 30, 1981 · N7192Z · Substantial damage NTSB FTW81FPG23Accident · No injuriesClosedCessna 182RG · Hickory Ridge, ARMay 3, 1981 · N4760S · Substantial damage NTSB FTW80FA126Accident · 4 fatalClosedPiper PA-24 · Hot Springs, ARSep 29, 1980 · N7839P · Destroyed NTSB FTW80FPG58Accident · No injuriesClosedPiper PA-24 · Little Rock, ARAug 9, 1980 · N9154P · Substantial damage NTSB FTW80FPG57Accident · Serious injuriesClosedPiper PA-25 · Humphrey, ARAug 6, 1980 · N6933Z · Substantial damage NTSB FTW80DPG49Accident · No injuriesClosedPiper PA-25 · Grady, ARJul 20, 1980 · N4550Y · Substantial damage NTSB FTW79DPG75Accident · No injuriesClosedPiper PA-25 · Mcgehee, ARAug 7, 1979 · N7605Z · Substantial damage NTSB FTW79DPG65Accident · No injuriesClosedPiper PA-25 · Holly Grove, ARJul 13, 1979 · N9845P · Destroyed NTSB FTW79DPG52Accident · No injuriesClosedPiper PA-28 · Benton, ARJun 9, 1979 · N4687P · Substantial damage NTSB FTW78DPG82Accident · No injuriesClosedPiper PA-24 · Clarksville, ARAug 28, 1978 · N7338P · Substantial damage NTSB FTW78FPG05Accident · No injuriesClosedPiper PA-24 · Booneville, ARNov 5, 1977 · N5581P · Substantial damage NTSB FTW77DPG83Accident · No injuriesClosedPiper PA-25 · Leachville, ARSep 1, 1977 · N4798Y · Substantial damage NTSB FTW77DPG65Accident · No injuriesClosedPiper PA-25 · Manila, ARJul 14, 1977 · N9511P · Substantial damage NTSB FTW77FPG60Accident · No injuriesClosedPiper PA-24 · Russellville, ARJul 2, 1977 · N7757P · Substantial damage NTSB FTW76DPG01Accident · No injuriesClosedPiper PA-25 · Manila, AROct 4, 1976 · N9511P · Substantial damage NTSB FTW76FPG26Accident · No injuriesClosedPiper PA-24 · Guy, ARSep 23, 1975 · N6514P · Substantial damage NTSB FTW76FPG25Accident · No injuriesClosedPiper PA-28 · Little Rock, ARSep 12, 1975 · N33124 · Substantial damage NTSB FTW74DPG76Accident · No injuriesClosedPiper PA-25 · Pollard, ARJun 27, 1974 · N4798Y · Substantial damage NTSB FTW74FPG74Accident · No injuriesClosedPiper PA-25 · Walnut Ridge, ARJun 21, 1974 · N6899Z · No damage NTSB FTW74DPG58Accident · No injuriesClosedPiper PA-25 · Altheimer, ARApr 25, 1974 · N7726Z · Substantial damage NTSB FTW74DPG52Accident · No injuriesClosedPiper PA-25 · Pine Bluff, ARMar 27, 1974 · N7242Z · Substantial damage NTSB FTW74FRJ28Accident · No injuriesClosedPiper PA-25 · Texarkana, ARMar 9, 1974 · N7768Z · Substantial damage NTSB FTW73FPG32Accident · Serious injuriesClosedAero Comdr A-9B · Gould, AROct 20, 1972 · N7948V · Destroyed NTSB FTW74DPG24Accident · No injuriesClosedCallair A-9 · Rudy, ARSep 27, 1972 · N8237H · Substantial damage NTSB FTW72DPG73Accident · No injuriesClosedPiper PA-25 · Osceola, ARMay 6, 1972 · N4837Y · Substantial damage NTSB FTW72DPG34Accident · No injuriesClosedPiper PA-25 · Tyronza, ARSep 1, 1971 · N6919Z · Substantial damage NTSB FTW71DPG64Accident · No injuriesClosedPiper PA-25 · Tuckerman, ARJun 16, 1971 · N4552Y · Substantial damage NTSB FTW71FPG22Accident · No injuriesClosedPiper PA-25 · Grady, ARSep 18, 1970 · N6634Z · Destroyed NTSB FTW71FPG12Accident · No injuriesClosedPiper PA-25 · Newport, ARAug 19, 1970 · N7545Z · Substantial damage NTSB FTW70DPG34Accident · Minor injuriesClosedPiper PA-25 · Chicot, ARJun 12, 1970 · N7704Z · Destroyed NTSB FTW70DPG06Accident · No injuriesClosedPiper PA-25 · Cherry Valley, ARMar 9, 1970 · N4409Y · Substantial damage