NTSB investigations: Lycoming TI0-541 series

7 cases on aircraft whose registry engine model is Lycoming TI0-541 series, where the first occurrence was “Loss of control - on ground/water”. 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

19822026

NTSB investigations: Lycoming TI0-541 series per year, 1982–2026: 7 cases
1982	3
1987	1
1991	1
1999	1
2002	1

Where

Open the map

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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41536') 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" = 260)) 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41536')
      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\" = 260))
  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 ('41536')
    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" = 260))
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 ATL02FA058Accident · 1 fatalField investigationFinal reportBeech BE-60 · Mexia, TXThe pilot's failure to remove the control lock before the flight and his failure to follow the checklist.Mar 3, 2002 · N7272D · Destroyed NTSB DEN00LA012Accident · No injuriesLimited investigationFinal reportBeech B-60 · Angel Fire, NMThe pilot's failure to maintain aircraft control, and the pilot's inadequate decision to attempt the takeoff. Factors were the strong left rear cross wind, and the dirt embankment.Oct 28, 1999 · N243RC · Substantial damage NTSB NYC91LA101Accident · No injuriesLimited investigationFinal reportBeech 56TC · New Haven, CTFailure of the pilot to maintain directional control after the nose wheel steering system failed.Apr 4, 1991 · N7QG · Substantial damage NTSB MIA88LA045Accident · No injuriesLimited investigationFinal reportMooney M-22 · Fort Pierce, FLPlt stated that on landing roll at approximately 30 to 35 knots the nose landing gear began to shimmy and turn to the left. Full right brake and rudder could not correct the left turning tendency of the aircraft. The aircraft ran off the left side of the…Nov 26, 1987 · N7739M · Substantial damage NTSB NYC83LA046Accident · No injuriesLimited investigationFinal reportBeech 56TC · Gasport, NYDuring the takeoff roll from a snow covered runway the aircraft slid to the left of the runway and into a snow bank. The left main and nose gear collapsed.Dec 21, 1982 · N12WB · Substantial damage NTSB CHI82FA146Accident · No injuriesField investigationFinal reportBeech 56TC · Chicago, ILThe pilot stated that during landing, the touchdown was smooth. Shortly after touchdown, the left wheel began to wobble and thump and the aircraft started to veer to the left. Reportedly, the right brake would not hold the aircraft on the runway. The aircraft…May 2, 1982 · N6235V · Substantial damage NTSB CHI82DA062Accident · No injuriesFinal reportBeech 56TC · Huntington, INDuring a night touch and go landing, the aircraft veered left and struck a snowberm as the pilot was adding power to takeoff. Snowberms were located inside of the runway lights making the usable runway less than 75 ft and possibly restricting the lighting.…Feb 21, 1982 · N291T · Substantial damage