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NTSB investigations: Lycoming TI0-540 series, FL

12 cases on aircraft whose registry engine model is Lycoming TI0-540 series, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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

19842026

Where

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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\" = '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 ('41533')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 351))
  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 MIA06LA063Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-300T · Baker, FLA loss of engine power due to an oil line leak and oil exhaustion. A contributing factor was the unsuitable terrain on which to make a forced landing.Mar 12, 2006 · N321GS · Substantial damageNTSB MIA06FA024Accident · 2 fatalField investigationFinal reportPiper PA-32-300 · Mims, FLThe loss of engine power due to improper installation of the #2 cylinder by maintenance personnel, which resulted in the separation of the cylinder as a result of fatigue cracking of the cylinder to crankcase fasteners. A contributing factor was the lack of…Nov 23, 2005 · N666DE · Substantial damageNTSB ATL05LA101Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Fort Myers, FLA loss of engine power due to the connecting rod cap separation for undetermined reasons. Related factors were trees and the swampy terrain condition.Jun 17, 2005 · N646RM · Substantial damageNTSB ATL96TA047Accident · Minor injuriesFinal reportPiper PA-32-300 · Windermere, FLthe use of improper connecting rod bolts, failure of the overhaul facility to record the correct overhaul date on the work orders for the stored connecting rod assemblies, and subsequent failure of the connecting rod bolts.Feb 13, 1996 · N8951N · Substantial damageNTSB MIA91LA138Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Clearwater, FLInadequate annual inspection of the airplane by maintenance personnel who failed to detect a deteriorated oil line. This resulted in oil exhaustion causing the total loss of engine power due to failure of one of the connecting rods. Also inadvertent…May 9, 1991 · N55653 · Substantial damageNTSB MIA90FA090Accident · Minor injuriesField investigationFinal reportButler Aerostar 601 · Lake Butler, FLInflight failure of the left engine which was caused by inadequate maintenance and inspection by company maintenance personnel resulting in heat damaged magneto leads as a result of a missing exhaust flange-to-turbocharger seal. In addition, the inflight…Mar 16, 1990 · N7443S · DestroyedNTSB MIA88FA178Accident · Serious injuriesField investigationFinal reportRockwell A9B · Marianna, FLThe acft sustained a complete & sudden power loss while engaged in ag operations at low alt. The prop, fwd portion of the crankshaft, cyl head & other eng parts separated from the acft. The acft struck a row of 40 ft trees & crashed to the grnd. An exam of…May 25, 1988 · N7787V · Substantial damageNTSB MIA88FA007Accident · 2 fatalField investigationFinal reportRockwell 700 · Pompano Beach, FLWitnesses stated that just after takeoff, the left engine started to leave a trail of white smoke, the acft then turned left back towards the arpt & crashed into the street. Post crash examination revealed one of the left engine crankshaft counterweights…Oct 12, 1987 · N26574 · DestroyedNTSB MIA87FA257Accident · 2 fatalField investigationFinal reportPiper PA-32-300 · Geneva, FLFlt experienced engine failure when the number six connecting rod separated from the crankshaft after failure of the connecting rod bearing. During an attempted forced landing during darkness the acft collided with trees and then crashed to the ground.…Sep 23, 1987 · N4010R · DestroyedNTSB MIA86LA235Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Ft.Lauderdale, FLFlt experienced loss of power in the left engine shortly after takeoff due to corrosion blocking the main jet in the fuel control unit. The pilot feathered the engine and returned for a landing. While on short final he remembered he would have to manually…Aug 14, 1986 · N36LS · Substantial damageNTSB MIA85LA079Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Floridana, FLDuring cruise flight the pilot noted the engine was vibrating severely and spraying oil and then failed. Examination of the engine revealed that the #2 cylinder connecting rod had failed in overload. A small piece of gear tooth was found inside the engine the…Jan 15, 1985 · N1496X · Substantial damageNTSB MIA84FA196Accident · Serious injuriesField investigationFinal reportPiper PA-32-300 · Niceville, FLThe acft crashed into trees short of the rwy after the engine quit on final approach. The engine failed from internal failure of the crankshaft gear retention system. A teardown revealed that the crankshaft gear bolt had backed out & the bolt head was noted…Jun 30, 1984 · N32538 · Destroyed