NTSB investigations: Franklin 6V4 series, 1973
10 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
Latest 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\") = 1973
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") = 1973
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 LAX74DUJ24Accident · No injuriesClosedHiller Acft UH-12B · Tucson, AZNTSB MIA74FKA04Accident · No injuriesClosedHiller Acft UH-12A · St Thomas, VINTSB OAK74DVM02Accident · No injuriesClosedHiller Acft UH-12C · Gonzalez, CANTSB FTW74DPD01Accident · No injuriesClosedHiller UH-12A · Dublin, TXNTSB SEA74AYE04Accident · No injuriesClosedBell 47D · Anacortes, WANTSB SEA73FYG36Accident · Serious injuriesClosedBell Tomcat · Harrington, WANTSB FTW73FPD37Accident · No injuriesClosedBell 47D1 · Decatur, TXNTSB FTW73DPD34Accident · No injuriesClosedHiller Acft UH-12C · Justin, TXNTSB FTW73DRG66Accident · No injuriesClosedBell 47G · San Antonio, TXNTSB OAK73DVG41Accident · No injuriesClosedBell 47D1 · Marysville, CA