NTSB investigations: Lycoming R680, 1991
4 cases on aircraft whose registry engine model is Lycoming R680. 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.
Cases per year
| 1964 | 8 |
|---|---|
| 1965 | 5 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 6 |
| 1969 | 4 |
| 1970 | 8 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 6 |
| 1974 | 5 |
| 1975 | 5 |
| 1976 | 3 |
| 1977 | 4 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 1 |
| 1991 | 4 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 5 |
| 2002 | 1 |
| 2003 | 1 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
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\") = 1991
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41540'))
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") = 1991
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41540'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 DEN91LA091Accident · Minor injuriesLimited investigationFinal reportBoeing E75N1 · Vail, COA severe downdraft. A factor was: the pilot's failure to obtain a weather briefing.NTSB CHI91LA194Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Mundelein, ILThe pilot in command's not maintaining visual contact with the previously identified airplane.NTSB SEA91LA129Accident · No injuriesLimited investigationFinal reportBoeing E75 · Aurora, ORAn improperly adjusted carburetor and improper maintenance. Factors include an earthen berm which the aircraft struck during the landing roll.NTSB CHI91LA110Accident · No injuriesLimited investigationFinal reportBoeing A75 · North Platte, NEDirectional control was not maintained by the pilot resulting in a swerve and ground loop. A factor related to the accident was lack of total experience in type of aircraft by the pilot.