NTSB investigations: Lycoming 0-540 series, 1968, MS

7 cases on aircraft whose registry engine model is Lycoming 0-540 series. 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

19642026

NTSB investigations: Lycoming 0-540 series, 1968, MS per year, 1964–2026: 38 cases
1964	1
1965	1
1966	5
1967	2
1968	7
1969	2
1970	2
1972	1
1973	1
1974	1
1978	2
1981	1
1987	1
1989	1
1993	1
1998	1
2002	3
2004	1
2006	1
2007	1
2008	1
2012	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 year(c."eventDate") = 1968 AND c."eventStateOrRegion" = 'MS' 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')) 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 year(c.\"eventDate\") = 1968
    AND c.\"eventStateOrRegion\" = 'MS' 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'))
  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 year(c."eventDate") = 1968
  AND c."eventStateOrRegion" = 'MS' 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'))
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 MIA69D0187Accident · Serious injuriesClosedPiper PA-25 · Batesville, MSSep 28, 1968 · N7331Z · Destroyed NTSB MIA69F0134Accident · No injuriesClosedPiper PA-25 · Ruleville, MSAug 26, 1968 · N7633Z · Substantial damage NTSB MIA69F0126Accident · Minor injuriesClosedPiper PA-24 · Jackson, MSAug 23, 1968 · N5371P · Substantial damage NTSB MIA69F0120Accident · No injuriesClosedPiper PA-25 · Eupora, MSAug 21, 1968 · N7008Z · Destroyed NTSB MIA69F0117Accident · 1 fatalClosedPiper PA-25 · Cadarette, MSAug 21, 1968 · N7254Z · Destroyed NTSB MIA68D0158Accident · No injuriesClosedPiper PA-25 · Rosedale, MSMay 22, 1968 · N7222Z · Substantial damage NTSB MIA68F0449Accident · No injuriesClosedPiper PA-25 · Eupora, MSMar 14, 1968 · N7367Z · Substantial damage