NTSB investigations: Lycoming TI0-540 series, OK

32 cases on aircraft whose registry engine model is Lycoming TI0-540 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

19652026
NTSB investigations: Lycoming TI0-540 series, OK per year, 1965–2026: 32 cases
19651
19672
19691
19702
19721
19751
19761
19771
19781
19791
19821
19841
19861
19881
19891
19991
20011
20021
20051
20082
20091
20121
20141
20161
20171
20201
20231
20251
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.\"eventStateOrRegion\" = 'OK' 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 ('41533'))
  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 CEN26LA170Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA 31P 350 · Ardmore, OKThe pilot’s failure to maintain control of the airplane while landing on a wet runway with a tailwind.Apr 17, 2026 · N9262Y · Substantial damageNTSB CEN25LA192Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-32RT-300T · Tulsa, OKOn May 30, 2025, about 1627 central daylight time, a Piper PA-32RT-300T airplane, N130XR, was substantially damaged when it was involved in an accident near Tulsa, Oklahoma. The pilot sustained serious injuries, and the pilot-rated passenger sustained minor…May 30, 2025 · N130XR · Substantial damageNTSB CEN23LA370Accident · No injuriesClass 3 · LimitedFinal reportPiper PA31 · Durant, OKThe loosening of a connecting rod cap nut for reasons that could not be determined, which resulted in a mechanical failure of the engine and an in-flight fire.Aug 21, 2023 · N3589X · Substantial damageNTSB CEN20CA074Accident · No injuriesData collectionFinal reportPiper PA32 · Kingfisher, OKThe pilot's improper continuation of a landing in which he landed too far down the runway at too high a speed, which resulted in a loss of directional control and a runway excursion.Feb 3, 2020 · N711PF · Substantial damageNTSB CEN17LA292Accident · Minor injuriesLimited investigationFinal reportPiper PA 46 350P · Tahlequah, OKThe total loss of engine power, which resulted from fatigue failure of two engine through bolts and the No. 2 cylinder attachment studs due to the lack of sufficient clamping force.Jul 30, 2017 · N786MD · Substantial damageNTSB CEN17LA019Accident · Serious injuriesLimited investigationFinal reportBellanca 17-31A · Mc Alester, OKA total loss of engine power during initial climb due to fuel starvation.Oct 16, 2016 · N93668 · Substantial damageNTSB CEN14FA434Accident · 1 fatalField investigationFinal reportPiper PA 32-300 · Ardmore, OKThe partial loss of engine power for reasons that could not be determined because thermal damage to the engine prevented a complete examination.Aug 16, 2014 · N4125W · Substantial damageNTSB CEN12LA134Accident · Minor injuriesLimited investigationFinal reportAero Commander 500-B · Bartlesville, OKThe total loss of engine power due to fuel exhaustion and the pilot’s inadequate preflight inspection, which did not correctly identify the airplane’s fuel quantity before departure.Jan 14, 2012 · N524HW · Substantial damageNTSB CEN09FA562Accident · 5 fatalField investigationFinal reportPiper PA-32R-300 · Tulsa, OKThe non-instrument-rated pilot’s decision to attempt flight in instrument meteorological conditions, which resulted in spatial disorientation and an in-flight collision with a radio tower guy wire.Sep 5, 2009 · N1228H · DestroyedNTSB DFW08LA176Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-300T · Cookson, OKThe partial loss of engine power during initial takeoff climb for undetermined reasons. Contributing to the accident was the lack of suitable terrain for the forced landing.Jun 29, 2008 · N132RR · Substantial damageNTSB DFW08FA056Accident · 1 fatalField investigationFinal reportAero Commander 500B · Tulsa, OKThe pilot's loss of control due to spatial disorientation and the pilot exceeding the design/stress limits of the aircraft. Factors contributing to the accident were the pilot's reported gyro problem, the dark night conditions , and prevailing instrument…Jan 17, 2008 · N712AT · Substantial damageNTSB DFW05LA081Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Westport, OKThe collapsing of the right main landing gear as a result of the failure of the scissors assembly.Mar 5, 2005 · N33AC · Substantial damageNTSB FTW02LA257Accident · No injuriesLimited investigationFinal reportSmith Aerostar 601P · Piedmont, OKA fuel leak at the left boost pump to bladder tank flange, which resulted in fuel exhaustion and the subsequent loss of power to both engines.Sep 16, 2002 · N90652 · Substantial damageNTSB FTW02LA052Accident · Serious injuriesLimited investigationFinal reportPiper PA-23-250 · Duncan, OKThe pilot's descent below the minimum descent altitude, and his failure to maintain obstacle clearance. Contributing factors were the below approach/landing minimum weather, the dark night conditions, and the inoperative REIL's.Dec 13, 2001 · N127CA · Substantial damageNTSB FTW99FA199Accident · 2 fatalField investigationFinal reportSmith, Ted Aerostar Aerostar 601P · Bethany, OKThe pilot's failure to maintain the minimum controllable airspeed. A factor was the disconnected rubber interconnect boot, which resulted in the partial loss of left engine power.Jul 23, 1999 · N345LS · DestroyedNTSB FTW89LA087Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Eufaula, OKThe pilot's improper positioning of the fuel selector, which resulted in a loss of power due to fuel starvation, and his failure to followed the emergency procedure. A factor related to the accident was: rough terrain in the emergency landing area.Apr 26, 1989 · N8654N · Substantial damageNTSB FTW88IA147Incident · No injuriesIncident investigationFinal reportPiper PA-31-350 · Oklahoma City, OKThe flight was an instructional flight with three pilots onboard. The airplane departed on runway 17R and was 300 to 400 feet AGL when one blade of the right propeller separated from the hub, followed by the remainder of the propeller. The PIC made an…Aug 10, 1988 · N3589B · Minor damageNTSB FTW86IA103Incident · No injuriesIncident investigationFinal reportPiper PA-31 · Kingston, OKAcft received minor damage as a result of an electrical fire in-flight while in cruise at 9,000' MSL. The plt stated that he observed smoke emanating from the c.b. panel mounted on the left side wall of the cockpit and that several c.b.'s popped and he lost…Jun 10, 1986 · N68ST · Minor damageNTSB FTW84LA192Accident · No injuriesLimited investigationFinal reportRockwell A-9B · Lamont, OKThe plt reported that between swath runs, his attention was directed to swath marks on the ground, then he tried to determine how much chemical was remaining in the hopper. At about 100 ft AGL, while in a 50 deg left bank, he heard 'the eng slow down' & felt…Apr 6, 1984 · N7776V · Substantial damageNTSB FTW83FPM04Accident · 2 fatalFinal reportPiper PA23-250 · 8 Miles Se Bris, OKThe acft departed at 2220 with a planned enroute stop at holdenville, OK. 55 minutes later the acft crashed approximately 8.5 miles from its original departure point. Witnesses describe the wx as very bad due to heavy rain & fog.Nov 11, 1982 · N6145Y · DestroyedNTSB FTW80FA020Accident · Serious injuriesClosedPiper PA-32 · Harrah, OKDec 5, 1979 · N4097R · DestroyedNTSB FTW78IA074Incident · No injuriesClosedPiper PA-32 · Enid, OKSep 4, 1978 · N4106W · Minor damageNTSB FTW78FPJ09Accident · No injuriesClosedPiper PA-24 · Oklahoma City, OKDec 14, 1977 · N8636P · Substantial damageNTSB FTW76AF069Accident · 2 fatalClosedPiper PA-24 · Alva, OKMar 11, 1976 · N16MD · DestroyedNTSB FTW76FPJ21Accident · No injuriesClosedPiper PA-32 · Stroud, OKDec 31, 1975 · N8640N · Substantial damageNTSB FTW72DPM20Accident · No injuriesClosedPiper PA-32 · Grove, OKFeb 26, 1972 · N2772P · Substantial damageNTSB FTW71FPJ09Accident · No injuriesClosedPiper PA-24 · Oklahoma Cty, OKAug 4, 1970 · N8840P · Substantial damageNTSB FTW70DPM10Accident · No injuriesClosedPiper PA-24 · Mead, OKMay 23, 1970 · N8915P · Substantial damageNTSB FTW69A0059Accident · 2 fatalClosedPiper PA-24 · Clayton, OKFeb 22, 1969 · N8745P · DestroyedNTSB FTW68F0160Accident · No injuriesClosedPiper PA-24 · Okla-City, OKAug 27, 1967 · N8545P · Substantial damageNTSB FTW68F0158Accident · No injuriesClosedPiper PA-24 · Mangum, OKAug 22, 1967 · N8721P · Substantial damageNTSB FTW66F0077Accident · No injuriesClosedPiper PA-24 · Tulsa, OKMay 22, 1965 · N8670P · Substantial damage