NTSB investigations: Franklin 6VS-335 series, 1994
4 cases on aircraft whose registry engine model is Franklin 6VS-335 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
| 1965 | 5 |
|---|---|
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 4 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 5 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 4 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 4 |
| 1995 | 1 |
| 1999 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2007 | 1 |
| 2021 | 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\") = 1994
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27040'))
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") = 1994
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27040'))
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 SEA95LA022Accident · No injuriesLimited investigationFinal reportHiller UH-12C · Twisp, WAAn unexplained loss of power and the student pilot's delayed application of collective during the landing flare.NTSB LAX94FA354Accident · 4 fatalField investigationFinal reportStinson 108-3 · Shelter Cove, CAInadequate preflight by the pilot, which resulted in fuel starvation and loss of engine power, improper (or delayed) positioning of the fuel selector to the fullest tank, and failure of the pilot to maintain adequate airspeed, while maneuvering for a forced…NTSB FTW94LA147Accident · No injuriesLimited investigationFinal reportHiller UH-12B · Crystal Beach, TXThe pilot's improper autorotation touchdown, which rsulted in the hard landing. A factor was the power loss due to water contaminated fuel.NTSB FTW94LA125Accident · Minor injuriesLimited investigationFinal reportHiller UH-12 · Alvin, TXThe pilot's failure to maintain rotor speed, delay of the flare, and the improper touchdown. A factor was the loss of engine power for undetermined reasons.