NTSB investigations: Franklin 6A4200 series, CA
8 cases on aircraft whose registry engine model is Franklin 6A4200 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 | 2 |
|---|---|
| 1969 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1985 | 1 |
| 1992 | 1 |
| 2006 | 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 c.\"eventStateOrRegion\" = 'CA' 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 ('27027'))
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" = 'CA' 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 ('27027'))
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 LAX06CA296Accident · No injuriesData collectionFinal reportBell 47G · Angels Camp, CAa hard landing due to the pilot's inadequate compensation for a wind shift encountered on final approach and his failure to maintain an adequate translational lift airspeed.NTSB LAX93LA010Accident · No injuriesLimited investigationFinal reportBell 47-D1 · El Monte, CAThe pilot's failure to maintain the rotor RPM.NTSB LAX86LA065Accident · Serious injuriesLimited investigationFinal reportHiller H-23A · Madera, CAThe helicopter crashed during a local frost protection flight. After about one hour of light, in dark night time conditions, fog appeared suddenly and the pilot became disoriented and crashed into the ground.NTSB OAK76DVD44Accident · Minor injuriesClosedBell 47G · Pittsburg, CANTSB OAK76DVG16Accident · No injuriesClosedBell 47G · Gold Run, CANTSB LAX70F0142Accident · Serious injuriesClosedBell 47-H · Laguna Bch, CANTSB UNK65X0522Accident · No injuriesClosedBell 47H1 · Lagunabeach, CANTSB UNK64X3405Accident · 1 fatalClosedBell 47G · Alameda, CA