Final NTSB investigations: Lycoming O-540-L3C5D

6 cases on aircraft whose registry engine model is Lycoming O-540-L3C5D. 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

19792026

Final NTSB investigations: Lycoming O-540-L3C5D per year, 1979–2026: 6 cases
1979	2
1981	1
2013	1
2015	1
2019	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."completionStatus" = 'Completed' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42364')) 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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42364'))
  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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42364'))
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 WPR19LA184Accident · Minor injuriesClass 3 · LimitedFinal reportCessna TR182 · Lincoln, MTA loss of control during landing, which resulted in a nose landing gear collapse and runway excursion.Jun 30, 2019 · N5JB · Substantial damage NTSB GAA15CA150Accident · Minor injuriesData collectionFinal reportCessna TR182 · Rio Vista, CAThe pilot's use of improper procedures during an aborted landing, resulting in a runway excursion and a collision with a canal.Jun 30, 2015 · N739WW · Substantial damage NTSB WPR13CA263Accident · Minor injuriesData collectionFinal reportGarland Avipro Bearhawk · Sheridan, WYThe pilot's failure to maintain airspeed, which resulted in a stall and a loss of aircraft control during the initial takeoff.Jun 7, 2013 · N540TH · Substantial damage NTSB FTW81DPG44Accident · No injuriesClosedCessna 182RG · Springdale, ARJun 10, 1981 · N756CZ · Substantial damage NTSB NYC80FGM04Accident · No injuriesClosedCessna TR-182 · Connellsville, PAOct 30, 1979 · N7188C · Substantial damage NTSB MKC80DER68Accident · No injuriesClosedCessna T182RG · Winsted, MNAug 11, 1979 · N737PS · Substantial damage