NTSB investigations: Franklin 6V4 series, 1992
4 cases on aircraft whose registry engine model is Franklin 6V4 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 | 16 |
|---|---|
| 1965 | 10 |
| 1966 | 16 |
| 1967 | 15 |
| 1968 | 4 |
| 1969 | 15 |
| 1970 | 10 |
| 1971 | 12 |
| 1972 | 9 |
| 1973 | 10 |
| 1974 | 11 |
| 1975 | 16 |
| 1976 | 11 |
| 1977 | 10 |
| 1978 | 11 |
| 1979 | 10 |
| 1980 | 7 |
| 1981 | 4 |
| 1982 | 8 |
| 1983 | 2 |
| 1984 | 6 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 5 |
| 1991 | 2 |
| 1992 | 4 |
| 1993 | 1 |
| 1994 | 5 |
| 1995 | 4 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 5 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 3 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 2 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 1 |
| 2017 | 2 |
| 2021 | 1 |
| 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\") = 1992
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27033'))
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") = 1992
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27033'))
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 MIA93LA032Accident · No injuriesLimited investigationFinal reportHiller UH-12C · New Smyrna Bch, FLThe pilot-in-command's improper application of cyclic and collective pitch control during an autorotative landing.NTSB SEA92LA141Accident · No injuriesLimited investigationFinal reportBell-World 47D1 · Wenatchee, WACarburetor ice and the pilot in command's not being able to maintain clearance. Factors contributing to the accident were: carburetor icing conditions and tree(s).NTSB MIA92LA102Accident · Minor injuriesLimited investigationFinal reportBell 47-D-1 · Fayette, MSThe pilot in commands failure to insure the proper fuel quantity for the flight was placed on the aircraft and his failure to monitor fuel quantity during flight resulting in fuel exhaustion.NTSB MIA92LA069Accident · No injuriesLimited investigationFinal reportBell 47D1 · Cross City, FLPartial loss of engine power due to undetermined reasons and unsuitable terrain encountered during the autorotative landing.