NTSB investigations: Lycoming TI0-540 series
2,259 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
| 1964 | 9 |
|---|---|
| 1965 | 27 |
| 1966 | 32 |
| 1967 | 49 |
| 1968 | 48 |
| 1969 | 47 |
| 1970 | 48 |
| 1971 | 63 |
| 1972 | 45 |
| 1973 | 51 |
| 1974 | 62 |
| 1975 | 46 |
| 1976 | 52 |
| 1977 | 58 |
| 1978 | 68 |
| 1979 | 65 |
| 1980 | 57 |
| 1981 | 55 |
| 1982 | 47 |
| 1983 | 40 |
| 1984 | 46 |
| 1985 | 43 |
| 1986 | 43 |
| 1987 | 35 |
| 1988 | 33 |
| 1989 | 32 |
| 1990 | 16 |
| 1991 | 30 |
| 1992 | 30 |
| 1993 | 25 |
| 1994 | 26 |
| 1995 | 27 |
| 1996 | 31 |
| 1997 | 23 |
| 1998 | 22 |
| 1999 | 26 |
| 2000 | 36 |
| 2001 | 43 |
| 2002 | 46 |
| 2003 | 37 |
| 2004 | 41 |
| 2005 | 44 |
| 2006 | 49 |
| 2007 | 32 |
| 2008 | 33 |
| 2009 | 28 |
| 2010 | 34 |
| 2011 | 23 |
| 2012 | 31 |
| 2013 | 27 |
| 2014 | 25 |
| 2015 | 31 |
| 2016 | 21 |
| 2017 | 21 |
| 2018 | 22 |
| 2019 | 20 |
| 2020 | 29 |
| 2021 | 18 |
| 2022 | 28 |
| 2023 | 31 |
| 2024 | 15 |
| 2025 | 18 |
| 2026 | 19 |
Where
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.\"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.
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 ('41533'))
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 ERA26LA336Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-300 · West Kingston, RIThe pilot’s failure to bring the airplane to a stop on the available runway, which resulted in a runway excursion.NTSB ANC26FA091Accident · 4 fatalClass 3 · FieldPreliminary reportPiper PA-24-260 · Seldovia, AKOn August 26, 2026 about 1317 Alaska daylight time, a Piper PA-24-260 airplane, N9485P, was substantially damaged when it was involved in an accident near Seldovia, Alaska. The pilot and three passengers were fatally injured. The airplane was operated as a…NTSB ERA26LA322Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-32R-300 · Thomaston, GANTSB CEN26LA300Accident · Minor injuriesClass 4 · LimitedFinal reportCessna T206H · Marble, COThe pilot's failure to maintain directional control during the final approach in variable and gusting wind conditions. Contributing to the accident were localized wind effects associated with mountainous terrain and with nearby convective activity.NTSB WPR26LA292Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-24-260 · Albuquerque, NMNTSB CEN26FA280Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-24-250 · Bethany, MOOn August 4, 2026, about 1839 central daylight time, a Piper PA-24-250 airplane, N8422P, was destroyed when it was involved in an accident near Bethany, Missouri. The pilot received fatal injuries. The airplane was operated under Title 14 Code of Federal…NTSB CEN26LA269Accident · No injuriesClass 3 · LimitedPreliminary reportAero Commander Callair A-9B · Livonia, MOOn July 27, 2026, about 0819 central daylight time, an Aero Commander Callair A-9B airplane, N7799V, was substantially damaged when it was involved in an accident near Livonia, Missouri. The pilot was not injured. The airplane was operated as a Title 14 Code…NTSB CEN26LA263Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA24 · Baraboo, WIOn July 16, 2026, about 1508 central daylight time, a Piper PA-24-260 airplane, N8606P, sustained substantial damage when it was involved in an accident near Baraboo, Wisconsin. The pilot sustained serious injuries. The airplane was operated as a Title 14…NTSB ANC26LA070Accident · Minor injuriesClass 3 · LimitedPreliminary reportMooney M20M · Tallahassee, FLOn July 8, 2026, at 1148 eastern daylight time, a Mooney M20 airplane was substantially damaged when it was involved in an accident near Tallahassee, Florida. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal…NTSB WPR26FA216Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-36-300 · Henderson, NEOn June 11, 2026, at 2103 central daylight time, a Piper PA-36-300, N57846, was substantially damaged when it impacted a rotating beacon tower and terrain near Henderson, Nebraska. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB WPR26FA189Accident · 2 fatalClass 3 · FieldPreliminary reportPiper PA-32-300 · Empire, NVOn May 17, 2026, about 0738 PDT, a Piper PA-32-300, N8502N, was substantially damaged when it was involved in an accident near Empire, Nevada. The pilot and passenger sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal…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.NTSB CEN26LA159Accident · No injuriesClass 4 · LimitedFinal reportPiper PA46 · Burke, TXThe airplane’s encounter with unexpected low-level wind shear during final approach, which resulted in a hard impact with the runway.NTSB CEN26FA140Accident · 1 fatalClass 3 · FieldPreliminary reportAero Commander 500-B · Chesterfield, MOOn March 17, 2026, about 0024 central daylight time, an Aero Commander 500-B airplane, N444CA, was destroyed when it was involved in an accident near Chesterfield, Missouri. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB ERA26LA150Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-260 · Athens, GAThe pilot’s failure to extend the landing gear before landing.NTSB ERA26LA145Accident · Serious injuriesClass 3 · LimitedPreliminary reportRockwell International 114 · Whitmire, SCOn March 10, 2026, about 1915 eastern daylight time, a Rockwell International 114 airplane, N4832W, was substantially damaged when it was involved in an accident near Whitmire, South Carolina. The flight instructor received minor injuries. The pilot receiving…NTSB GAA26WA092Accident · No injuriesClass 5 · ForeignPiper PA31 · Las Cayes, HaitiNTSB ANC26LA009Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-31-310 · Anchorage, AKNTSB GAA26WA072Accident · 6 fatalClass 3 · ForeignPiper PA-31-325 · Paipa, ColombiaNTSB ERA26LA053Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-23-250 · Clewiston, FLThe pilot’s failure to maintain directional control of the airplane during the landing roll.NTSB ERA26LA040Accident · Minor injuriesClass 3 · LimitedPreliminary reportPiper PA-32R-301T · Woodfin Mill, GAOn November 16, 2025, about 0845 eastern standard time, a Piper Pa-32R-301T, N327HP, was substantially damaged when it was involved in an accident near Woodfin Mill, Georgia. The commercial pilot sustained minor injuries. The airplane was operated as a Title…NTSB ANC25LA117Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-31 · Kotlik, AKThe pilot’s failure to extend the landing gear before landing.NTSB ERA25LA314Accident · No injuriesClass 4 · LimitedFinal reportPiper PA32R · Miami, FLAn inflight loss of hydraulic fluid from the landing gear system through a cracked fitting, which resulted in a landing gear collapse upon touchdown.NTSB GAA25WA241Accident · No injuriesClass 5 · ForeignMooney M20M · Innsbruck, AustriaNTSB CEN25LA228Accident · Minor injuriesClass 4 · LimitedFinal reportMooney M20M · Ben Bolt, TXThe pilot’s failure to maintain directional control while landing with a crosswind.NTSB WPR25LA301Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-24-260 · West Yellowstone, MTOn June 29, 2025, at 1033 mountain daylight time, a Piper PA-24-260, N9366P, was substantially damaged when it was involved in an accident near West Yellowstone, Montana. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB CEN25LA220Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-24-260 · Ashland, WIThe pilot’s failure to extend the landing gear before landing and his failure to conduct the before landing checklist.NTSB ANC25LA055Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-32R-300 · Big Lake, AKOn June 24, 2025, about 0934 Alaska daylight time, a Piper PA-32R-300 airplane, N3609Q, was substantially damaged when it was involved in an accident near Big Lake, Alaska. The pilot and flight instructor were seriously injured. The airplane was operated as a…NTSB WPR25LA183Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32RT-300T · Winchester, IDThe pilot’s improper fuel management resulting in fuel starvation, a total loss of engine power, and a subsequent off-airport forced landing. Contributing to the accident was the pilot’s reduced fuel level monitoring due to an inflight distraction.NTSB 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…NTSB CEN25FA184Accident · 2 fatalClass 3 · FieldPreliminary reportRockwell Commander 114A · Hankamer, TXOn May 24, 2025, about 1658 central daylight time (CDT), a Rockwell Commander 114A airplane, N5903N, was destroyed when it was involved in an accident near Hankamer, Texas. The private pilot and passenger were fatally injured. The airplane was operated under…NTSB CEN25LA175Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA 46-350P · Greenwood, INOn May 11, 2025, about 1231 central daylight time, a Piper PA46-350P, N253MA, sustained substantial damage when it was involved in an accident near Greenwood, Indiana. The pilot and passenger received serious injuries. The airplane was operated as a Title 14…NTSB ERA25FA201Accident · 1 fatalClass 3 · FieldFinal reportPiper PA32RT · Yulee, FLThe pilot’s exceedance of the airplane’s critical angle of attack during takeoff, which resulted in a stall/spin at an altitude too low for recovery. Contributing to the accident was the opening of the nose baggage door and subsequent distraction of the pilot…NTSB CEN25LA165Accident · No injuriesClass 3 · LimitedFinal reportCessna T206 · Natchez, MSMaintenance personnel’s improper maintenance, which resulted in a loss of engine power due to fuel starvation as the result of a loose fuel line B-nut. Contributing to the accident was an inadequate 100-hour inspection performed after the recent maintenance.NTSB ANC25LA032Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-300 · Redding, CAThe pilot's failure to maintain a stabilized approach and his delayed action to perform a go-around, resulting in a collision with the runway surface.NTSB ANC25LA016Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-31-350 · Fairbanks, AKThe pilot’s failure to recognize that an automated taxiway gate was closing, and the pilot’s failure stop for the closing gate.NTSB WPR25LA080Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA-32-300 · Round Mountain, NVImpact with mountainous terrain for reasons that could not be determined due to a lack of available evidence.NTSB WPR25LA039Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA32-300 · Pomona, CAA total loss of engine power during final approach for reasons that could not be determined.NTSB WPR25LA030Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Prescott Valley, AZSeparation of the No. 3 engine cylinder due to a loss of torque on the cylinder base nuts, which resulted in a loss of engine power and in-flight fire. Contributing to the accident was maintenance personnel’s failure to ensure the engine case and cylinder…NTSB GAA24WA297Accident · No injuriesClass 5 · ForeignPiper PA-31 · Gloucestershire, United KingdomNTSB WPR24LA303Accident · No injuriesClass 4 · LimitedFinal reportCessna T206H · Big Bend-Gold Bar, WAThe pilot’s improper flare, which resulted in a hard landing.NTSB WPR24LA283Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-300 · Fallbrook, CAThe pilot’s failure to maintain clearance from an obstacle during taxi operations.NTSB ANC24LA074Accident · No injuriesClass 4 · LimitedFinal reportPiper PA31 · Fairbanks, AKThe pilot's continuation of an unstabilized approach and his failure to monitor the aircraft's altitude and airspeed during the approach, resulting in a loss of control.NTSB ERA24LA302Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32RT-300T · Myerstown, PAThe failure of maintenance personnel to properly secure a B-nut on the No. 5 cylinder fuel injector line, resulting in a fuel leak and engine fire.NTSB ERA24LA233Accident · No injuriesClass 4 · LimitedFinal reportPiper PA32RT · Palmetto, FLThe pilot’s improper decision to re-attempt a takeoff with little runway remaining, after rejecting a takeoff in gusting wind conditions, which resulted in a runway overrun at a higher speed and collision with terrain.NTSB ERA24LA211Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Apopka, FLA partial loss of engine power due to sticking exhaust valves. Contributing to the accident was maintenance personnel’s failure to use available engine data while troubleshooting a known engine issue and maintenance personnel’s failure to comply with…NTSB WPR24LA135Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 17-31ATC · El Cajon, CAMaintenance personnel’s improper installation of an engine-driven vacuum pump, which resulted in oil starvation to the engine and a subsequent total loss of engine power. Contributing to the accident was the A&P IA’s lack of supervision.NTSB ANC24LA030Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-300 · Willcox, AZThe pilot’s failure to maintain directional control of the airplane during takeoff in gusting wind conditions, which resulted in collision with an object.NTSB ERA24FA120Accident · 3 fatalClass 3 · FieldFinal reportPiper PA32 · Jackson, OHThe non-instrument-rated pilot’s decision to depart under visual flight rules into instrument meteorological conditions, which resulted in an inflight collision with terrain while maneuvering.NTSB WPR24LA088Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32R-301T · Spanish Fork, UTThe pilot's failure to ensure proper placement of the fuel selector, which resulted in a total loss of engine power due to fuel starvation.