NTSB investigations: Lycoming 0-540 series, FL

6 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the first occurrence was “In flight collision with terrain/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 0-540 series, FL per year, 1982–2026: 6 cases
1982	2
1986	2
1987	1
1999	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."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 ('41532') 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" = 230)) 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.\"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 ('41532')
      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\" = 230))
  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."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 ('41532')
    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" = 230))
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 MIA99LA116Accident · Serious injuriesLimited investigationFinal reportMaule M-7-235B · Boca Grande, FLThe pilots failure to maintain a visual lookout on landing resulting in an in-flight collision with a wave.Apr 3, 1999 · N10430 · Substantial damage NTSB MIA87LA178Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Kissimmee, FLThe plt failed to lower the landing gear prior to touchdown. Insp of the acft revealed that the landing gear warning horn & gear down & locked light were inoperative.Jun 10, 1987 · N6529P · Substantial damage NTSB MIA87LA026Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Marathon, FLWhile being followed at a low altitude by a united states customs service aircraft, the aircraft was observed entering a left turn. The left wing tip of the aircraft struck the water and it cartwheeled. After the crash, bales of an unknown substance floated…Nov 7, 1986 · N2107C · Destroyed NTSB MIA86LA225Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Crestview, FLWhile on final aprch with the ldg gear extended for ldg, the plt observed another acft ahead of him which he felt he was overtaking. He elected to execute a go-around & while on downwind leg, the plt retracted the gear absent-mindedly thinking he was…Aug 2, 1986 · N7992P · Substantial damage NTSB MIA82DA150Accident · No injuriesFinal reportPiper PA-24 · Clearwater, FLDuring the approach to the airport, the pilot was distracted by other aircraft and failed to extend the gear. The propeller and lower surface of the aircraft were damaged during a gear up landing.Jul 4, 1982 · N8232P · Substantial damage NTSB MIA82DA094Accident · No injuriesFinal reportPiper PA-23-250 · Jacksonville, FLImmediately after raising the gear handle during takeoff, the pilot heard a loud noise that he thought was an explosion. He aborted the takeoff and landed on the remaining runway without extending the gear. The loud noise occurred when the cabin door popped…Apr 11, 1982 · N4881P · Substantial damage