NTSB investigations: Lycoming R680E series, 1964

9 cases on aircraft whose registry engine model is Lycoming R680E 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

19632026

NTSB investigations: Lycoming R680E series, 1964 per year, 1963–2026: 100 cases
1963	1
1964	9
1965	7
1966	5
1967	9
1968	6
1969	3
1970	5
1971	2
1972	6
1973	3
1974	1
1975	3
1976	2
1977	5
1978	1
1980	1
1981	1
1982	1
1983	2
1984	1
1985	1
1986	1
1987	1
1989	1
1990	2
1992	1
1997	1
1998	1
1999	3
2001	1
2002	3
2005	1
2009	2
2012	1
2013	1
2017	1
2019	1
2024	2
2026	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") = 1964 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41545')) 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\") = 1964
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41545'))
  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") = 1964
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41545'))
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 UNK64X3962Accident · No injuriesClosedStinson V77 · Greely, COSep 13, 1964 · N50238 · Substantial damage NTSB UNK64X3034Accident · No injuriesClosedBoeing E75 · Craigmont, IDJul 25, 1964 · N5685N · Substantial damage NTSB UNK64X2663Accident · No injuriesClosedStinson V77 · Linden, CAJul 5, 1964 · N69993 · Substantial damage NTSB UNK64X2573Accident · No injuriesClosedCessna T50 · Lost River, AKJun 29, 1964 · N30023 · Substantial damage NTSB UNK64X2474Accident · No injuriesClosedStinson V77 · Chesapeake, OHJun 25, 1964 · N69141 · Substantial damage NTSB UNK64X1629Accident · No injuriesClosedStinson V77 · Plainsfield, ILMay 5, 1964 · N73340 · Substantial damage NTSB UNK64X1148Accident · Minor injuriesClosedBoeing 75 · Colfax, WAApr 3, 1964 · N54950 · Destroyed NTSB UNK64X0979Accident · Serious injuriesClosedBoeing PT17 · Pullman, WAMar 19, 1964 · N58700 · Substantial damage NTSB UNK64X0548Accident · No injuriesClosedStinson V77 · Diomede Is, AKFeb 12, 1964 · N52904 · Substantial damage