NTSB investigations: Franklin 6V 350 series, AZ

6 cases on aircraft whose registry engine model is Franklin 6V 350 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

19692026

NTSB investigations: Franklin 6V 350 series, AZ per year, 1969–2026: 6 cases
1969	1
1975	1
1977	1
1999	1
2005	1
2006	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" = 'AZ' 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 ('27043')) 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\" = 'AZ' 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 ('27043'))
  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" = 'AZ' 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 ('27043'))
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 LAX06LA109Accident · Minor injuriesLimited investigationFinal reportSIAI-Marchetti S.205/22R · Phoenix, AZa loss of engine power for undetermined reasons.Feb 12, 2006 · N981WA · Substantial damage NTSB LAX05CA260Accident · No injuriesData collectionFinal reportMaule M-4-220C · Tucson, AZthe pilot's failure to maintain directional control.Aug 4, 2005 · N2020U · Substantial damage NTSB LAX99LA133Accident · No injuriesLimited investigationFinal reportMaule M-4-220C · Prescott, AZThe pilot's inadequate compensation for the crosswind condition, which led to a loss of directional control and an inadvertent ground loop.Feb 15, 1999 · N2077U · Substantial damage NTSB LAX77FUJ46Accident · Serious injuriesClosedCessna 172 · Globe, AZMay 1, 1977 · N2708U · Substantial damage NTSB LAX75FUJ78Accident · Serious injuriesClosedBell 47G · Apache Jnctn, AZApr 30, 1975 · N2469B · Destroyed NTSB LAX70D0224Accident · No injuriesClosedBell 47D1 · Scottdale, AZDec 15, 1969 · N7732 · Substantial damage