NTSB investigations: Franklin 6A4150 series, NV

8 cases on aircraft whose registry engine model is Franklin 6A4150 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

19642026

NTSB investigations: Franklin 6A4150 series, NV per year, 1964–2026: 8 cases
1964	3
1967	1
1969	1
1977	1
2011	2

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" = 'NV' 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 ('27024')) 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\" = 'NV' 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 ('27024'))
  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" = 'NV' 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 ('27024'))
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 WPR12LA045Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Boulder City, NVThe pilot's failure to maintain directional control while taxiing with a gusting crosswind.Nov 19, 2011 · N9016K · Substantial damage NTSB WPR11CA165Accident · No injuriesData collectionFinal reportBellanca 14-13-2 · Mesquite, NVThe malfunction of the brake system which led to the pilot's failure to maintain directional control during the landing roll.Mar 15, 2011 · N74291 · Substantial damage NTSB OAK77FXQ23Accident · Minor injuriesClosedBellanca 14-13 · Minden, NVJun 11, 1977 · N15MP · Substantial damage NTSB OAK70A0006Accident · 4 fatalClosedStinson 108 · Searchlight, NVJul 22, 1969 · N97585 · Destroyed NTSB OAK68F0145Accident · No injuriesClosedBellanca 14-13 · Hawthorne, NVOct 11, 1967 · N568CD · Substantial damage NTSB UNK64X1547Accident · No injuriesClosedStinson 108 · Flanigan, NVMay 1, 1964 · N97272 · Destroyed NTSB UNK64X1464Accident · No injuriesClosedBellanca 14132 · Las Vegas, NVApr 26, 1964 · N74368 · Substantial damage NTSB UNK64X1170Accident · No injuriesClosedStinson 108-1 · Minden, NVApr 4, 1964 · N9100K · Substantial damage