Fatal NTSB investigations: Lycoming TI0-540 series, OK

7 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

19692026
Fatal NTSB investigations: Lycoming TI0-540 series, OK per year, 1969–2026: 7 cases
19691
19761
19821
19991
20081
20091
20141

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.\"highestInjuryLevel\" = 'Fatal'
    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 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 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 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 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 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 FTW76AF069Accident · 2 fatalClosedPiper PA-24 · Alva, OKMar 11, 1976 · N16MD · DestroyedNTSB FTW69A0059Accident · 2 fatalClosedPiper PA-24 · Clayton, OKFeb 22, 1969 · N8745P · Destroyed