NTSB investigations: Franklin 6V-335 series, FL

7 cases on aircraft whose registry engine model is Franklin 6V-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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19652026

NTSB investigations: Franklin 6V-335 series, FL per year, 1965–2026: 7 cases
1965	1
1971	1
1977	2
1979	1
1980	1
1993	1

Where

Open the map

Latest cases

Query with SQL

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 c."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27039')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 c.\"eventStateOrRegion\" = 'FL' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27039'))
  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 c."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27039'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 MIA93FA121Accident · 2 fatalField investigationFinal reportBell 47-G · Parker, FLthe misjudgement of the distance by the nonrated pilot-in-command and subsequent collision with a tree. Contributing to the accident was the lack of helicopter experience of the pilot-in-command.May 16, 1993 · N970B · Destroyed NTSB MIA80FA112Accident · 1 fatalClosedCambell 47-D1G · Panama City, FLSep 22, 1980 · N3109G · Destroyed NTSB MIA79DKT30Accident · No injuriesClosedBell 47G · Opa Locka, FLJan 7, 1979 · N2AR · Destroyed NTSB MIA77DLA38Accident · Minor injuriesClosedBell 47D1 · Panama City, FLJul 18, 1977 · N3109G · Substantial damage NTSB MIA77DLA37Accident · No injuriesClosedBell 47D1G · Panama Cy Bch, FLJun 17, 1977 · N3109G · Substantial damage NTSB MIA72DLA26Accident · Minor injuriesClosedBell 47D1 · Milton, FLDec 17, 1971 · N3109G · Substantial damage NTSB MIA66A0006Accident · No injuriesClosedBell 47-D1 · Panama City, FLJul 11, 1965 · N3109G · Substantial damage