NTSB investigations: Lycoming 0-540 series, NC

6 cases on aircraft whose registry engine model is Lycoming 0-540 series, where the first occurrence was “Loss of engine power(total) - nonmechanical”. 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

19872026

NTSB investigations: Lycoming 0-540 series, NC per year, 1987–2026: 6 cases
1987	1
1989	1
1990	1
1994	1
1996	1
2006	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" = 'NC' 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" = 353)) 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\" = 'NC' 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\" = 353))
  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" = 'NC' 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" = 353))
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 ATL06LA094Accident · 1 fatalLimited investigationFinal reportPiper PA-24-250 · Wilkesboro, NCThe pilot's improper fuel consumption calculations and improper in-flight planning/decision which resulted in a total loss of engine power due to fuel exhaustion, a forced landing, and collision with terrain.Jun 20, 2006 · N5626P · Substantial damage NTSB MIA96LA211Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Farmville, NCThe pilot's inadequate fuel consumption calculations which resulted in loss of engine power do to fuel exhaustion and a hard landing during a forced landing in a field.Aug 9, 1996 · N82313 · Substantial damage NTSB ATL94LA163Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Washington, NCThe pilot's inadequate inflight planning that resulted in fuel exhaustion. A factor was the unsuitable terrain, a plowed field, available for landing.Aug 22, 1994 · N7726Z · Substantial damage NTSB ATL90DMG03Accident · No injuriesFinal reportPiper PA-25 · Farmville, NCThe pilot's inadequate pre-flight preparation when he declined to add fuel between aerial application flights. The engine quit as a result of fuel exhaustion.Jul 18, 1990 · N8939L · Substantial damage NTSB ATL89LA206Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Hickory, NCPilot's failure to adequately monitor the engine fuel consumption in flight.Sep 2, 1989 · N5210P · Substantial damage NTSB ATL87LA126Accident · Serious injuriesLimited investigationFinal reportPiper PA-24-250 · Pinehurst, NCThe pilot called approach control and reported he was out of fuel and didn't think he was going to make the airport. He had landed at an airport enroute but had not refueled. He stated that he started descending when he got within ten miles of the airport. He…Apr 27, 1987 · N7136P · Destroyed