NTSB investigations: Lycoming 0-360-A1D

7 cases on aircraft whose registry engine model is Lycoming 0-360-A1D, 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19832026

NTSB investigations: Lycoming 0-360-A1D per year, 1983–2026: 7 cases
1983	1
1990	1
1996	1
1997	2
1999	1
2007	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 ('41504') 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

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 ('41504')
      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.

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 ('41504')
    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

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 CHI07LA121Accident · Minor injuriesLimited investigationFinal reportMooney M20C · Sidney, OHThe total loss of engine power during initial climb due to oil starvation as a result of improper maintenance. The fixed base operator's failure to advise the pilot that the engine had been operated without oil in the engine and soft terrain were factors.Apr 16, 2007 · N3529H · Substantial damage NTSB LAX00LA039Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-181 · Hilo, HIAn oil starvation induced failure and seizure of the engine. The reasons for the oil starvation event are undetermined.Nov 21, 1999 · N4148X · Destroyed NTSB LAX98LA037Accident · No injuriesLimited investigationFinal reportRodgers/Gaust RV-6 · Wellington, NVFuel starvation due to a fatigue fractured mixture control cable. Contributing factors were the soft, brush-covered emergency landing field.Nov 1, 1997 · N44JR · Substantial damage NTSB IAD98LA004Accident · No injuriesLimited investigationFinal reportFord RV-4 · Dansville, NYThe internal mechanical failure of the engine driven fuel pump which resulted in a loss of engine power.Oct 8, 1997 · N17PQ · Substantial damage NTSB LAX97LA076Accident · Minor injuriesLimited investigationFinal reportTrickle TR-4 · Davis, CAThe fatigue fracture and separation of one rod end cap bolt. A factor in the accident was the nature of the terrain for the forced landing.Dec 24, 1996 · N91RT · Substantial damage NTSB FTW90LA084Accident · No injuriesLimited investigationFinal reportCessna 172G · Rio Hondo, TXOil starvation induced power loss due to improper maintenance procedures. Contributing to the accident were inadequate maintenance inspection and the soft terrain in which the forced landing was performed.Mar 17, 1990 · N4696L · Substantial damage NTSB NYC83FA088Accident · Minor injuriesField investigationFinal reportPiper PA-28-181 · Hawthorne, NYThe flt departed cleveland at 1539. The flt enroute was conducted at 6,000 ft. about 45 mi w of destination the fuel gages indicated 5 gals of fuel in each of the two tanks. At about 5 mi w of the arpt the eng quit. The plt made a forcedlanding on the…Apr 10, 1983 · N8302T · Substantial damage