NTSB investigations: Lycoming GSO&IGSO-480 series, 1974

7 cases on aircraft whose registry engine model is Lycoming GSO&IGSO-480 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 GSO&IGSO-480 series, 1974 per year, 1964–2026: 122 cases
1964	6
1965	3
1966	1
1967	10
1968	5
1969	4
1970	3
1971	3
1972	5
1973	5
1974	7
1975	3
1976	3
1977	2
1978	5
1979	11
1980	10
1981	3
1982	3
1983	3
1984	2
1985	2
1986	2
1987	3
1988	2
1989	1
1990	1
1991	2
1995	1
1997	1
1999	1
2003	1
2004	2
2005	1
2010	1
2013	1
2015	1
2019	1
2024	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") = 1974 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41529')) 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\") = 1974
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41529'))
  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") = 1974
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41529'))
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 MIA75OKT40Accident · No injuriesClosedAero Comdr 500 · Walker Cay, Burkina FasoDec 29, 1974 · N36T · Substantial damage NTSB OAK75FVW05Accident · No injuriesClosedBeech F50 · Las Vegas, NVSep 5, 1974 · N678T · Substantial damage NTSB DEN75FTE18Accident · No injuriesClosedAero Comdr 680E · Longmont, COAug 7, 1974 · N6888S · Substantial damage NTSB MKC75FER08Accident · No injuriesClosedBeech 65 · Minneapolis, MNJul 30, 1974 · N1090K · Substantial damage NTSB CHI74FEV47Accident · No injuriesClosedBeech 65 · Springfield, ILApr 27, 1974 · N14GF · Substantial damage NTSB CHI74FEK19Accident · No injuriesClosedAero Comdr 680 · Mendon, OHMar 30, 1974 · N6877S · Substantial damage NTSB DEN74FTE39Accident · No injuriesClosedAero Comdr 680 · Denver, COJan 3, 1974 · N990HL · Substantial damage