NTSB investigations: Lycoming GO-480 series, 1991
5 cases on aircraft whose registry engine model is Lycoming GO-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.
Cases per year
| 1964 | 6 |
|---|---|
| 1965 | 6 |
| 1966 | 7 |
| 1967 | 10 |
| 1968 | 7 |
| 1969 | 6 |
| 1970 | 8 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 9 |
| 1975 | 5 |
| 1976 | 6 |
| 1977 | 5 |
| 1978 | 8 |
| 1979 | 9 |
| 1980 | 7 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 5 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 4 |
| 1990 | 2 |
| 1991 | 5 |
| 1992 | 3 |
| 1994 | 2 |
| 1995 | 6 |
| 1996 | 4 |
| 1997 | 2 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 2 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 4 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 1 |
| 2025 | 2 |
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 ('41527'))
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 ('41527'))
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 SEA91LA244Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Metaline Falls, WAThe pilot's inadvertent use of the parking brake. A factor contributing to the accident was the absence of the parking brake on the landing checklist.NTSB NYC91LA195Accident · Minor injuriesLimited investigationFinal reportBeech C50 · Salem, OHEngine failure as a result of improper maintenance and failure of the propeller feathering system for an undetermined reason. Factors were aircraft poor climb performance as resulted of the unfeathered propeller and obstructions which prevented a return to…NTSB ANC91LA093Accident · Minor injuriesLimited investigationFinal reportHelio H-295 · Port Alsworth, AKFailure of the pilot to maintain sufficient altitude and clearance from mountainous terrain. Factors related to the accident were: the rising terrain and a downdraft.NTSB FTW91DPG12Accident · Minor injuriesFinal reportBell 47-G3B1 · Colt, ARLoss of engine power for an undetermined reason. A factor was the unsuitable terrain.NTSB ATL91LA065Accident · No injuriesLimited investigationFinal reportHelio H-295 · Dunlap, TNFailure of the pilot to maintain control of the aircraft, which resulted in a ground loop/swerve. The crosswind was a related factor.