NTSB investigations: Franklin 6A4150 series
8 cases on aircraft whose registry engine model is Franklin 6A4150 series, where the first occurrence was “Loss of engine power”. 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
| 1983 | 1 |
|---|---|
| 1987 | 1 |
| 1989 | 1 |
| 1996 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27024')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 350))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27024')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
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 SEA04FA150Accident · Minor injuriesField investigationFinal reportStinson 108 · Graham, WAThe total loss of power for undetermined reasons while maneuvering.NTSB FTW04LA003Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Pauls Valley, OKThe loss of engine power for undetermined reasons.NTSB SEA02LA103Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Heyburn, IDA blocked fuel line due to a gasket that had disintegrated and blocked the fuel line.NTSB CHI01LA203Accident · No injuriesLimited investigationFinal reportBellanca 14-13-3 · Pierce, NEThe improper management of the fuel system by the pilot. Factors were the fuel starvation, the pilot's lack of familiarity with the airplane, the berm, and the unsuitable terrain for landing encountered by the pilot.NTSB MIA97FA014Accident · 1 fatalField investigationFinal reportBellanca 14-13-2 · Smithville, TNloss of engine power for undetermined reason(s), shortly after takeoff; and failure of the pilot to maintain adequate airspeed, while turning in an attempt to maneuver back to the airport, which resulted in an inadvertent stall and uncontrolled descent into…NTSB DEN89LA226Accident · Minor injuriesLimited investigationFinal reportUniversal Stinson 108-1 · Hudson, COPartial loss of engine power for an unknown reason. A factor related to the accident was: the alfalfa crop.NTSB CHI87LA155Accident · Minor injuriesLimited investigationFinal reportStinson 108-1 · Big Sandy Lake, MNThe engine stalled for undetermined reasons after the pilot made a wide circle turn. During a forced landing in a lake, the aircraft nosed over. The last annual aircraft inspection was 15 months prior to the date of the accident.NTSB ANC83LA117Accident · No injuriesLimited investigationFinal reportStinson 108-1 · Nenana, AKThe acft nose gear failed during a forced landing after the engine lost power during climbout. The plt rptd the engine began to run intermittently then quit completely. The acft had just been serviced with 36 gallons of 80/87 octane fuel. The student pilot…