NTSB investigations: Franklin 6A4165 series, 1991
3 cases on aircraft whose registry engine model is Franklin 6A4165 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 | 27 |
|---|---|
| 1965 | 20 |
| 1966 | 22 |
| 1967 | 16 |
| 1968 | 20 |
| 1969 | 16 |
| 1970 | 14 |
| 1971 | 16 |
| 1972 | 14 |
| 1973 | 12 |
| 1974 | 7 |
| 1975 | 11 |
| 1976 | 13 |
| 1977 | 12 |
| 1978 | 18 |
| 1979 | 6 |
| 1980 | 6 |
| 1981 | 1 |
| 1982 | 8 |
| 1983 | 3 |
| 1984 | 11 |
| 1985 | 3 |
| 1986 | 7 |
| 1987 | 4 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 7 |
| 1991 | 3 |
| 1992 | 3 |
| 1993 | 4 |
| 1994 | 4 |
| 1995 | 7 |
| 1996 | 9 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 6 |
| 2000 | 7 |
| 2001 | 8 |
| 2002 | 5 |
| 2003 | 6 |
| 2004 | 4 |
| 2006 | 2 |
| 2007 | 3 |
| 2008 | 4 |
| 2009 | 4 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 4 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 3 |
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 ('27025'))
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 ('27025'))
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 ANC92LA020Accident · No injuriesLimited investigationFinal reportStinson 108 · Chugiak, AKThe pilot failed to maintain proper altitude during the final approach. Contributing to the accident was the pilot's lack of total experience performing landings in reduced light conditions, the poor light condition at dusk, and the snow covered terrain.NTSB ANC91LA157Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Cantwell, AKThe engine power loss for undetermined reasons and the lack of suitable terrain for a forced landing.NTSB DEN91LA080Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Santa Fe, NMA forward aft pilot seat adjustment locking mechanism failure.