NTSB investigations: Franklin 6A4165 series, WA
20 cases on aircraft whose registry engine model is Franklin 6A4165 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 | 1 |
|---|---|
| 1968 | 3 |
| 1969 | 1 |
| 1972 | 2 |
| 1978 | 2 |
| 1982 | 1 |
| 1986 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2001 | 1 |
| 2007 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2025 | 1 |
| 2026 | 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\" = 'WA' 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 ('27025'))
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" = 'WA' 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 ('27025'))
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 WPR26LA183Accident · No injuriesClass 3 · LimitedPreliminary reportStinson 108-3 · Quilcene, WAOn May 12, 2026, at about 1049 Pacific daylight time, a Stinson 108-3 airplane, N588C, was substantially damaged when it was involved in an accident near Quilcene, Washington. The pilot was uninjured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR25LA179Accident · No injuriesClass 4 · LimitedFinal reportStinson 108-2 · East Wenatchee, WAThe pilot’s failure to maintain directional control during the landing roll with a left crosswind.NTSB WPR21LA251Accident · Serious injuriesClass 4 · LimitedFinal reportStinson 108-3 · Stevenson, WAA runway incursion, which resulted in a go-around, and subsequent forced landing when the airplane was not able to climb at a rate sufficient to clear approaching rising terrain.NTSB GAA18CA237Accident · Minor injuriesData collectionFinal reportStinson 108 · Eliza Island, WAThe pilot’s exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall.NTSB LAX07CA269Accident · Minor injuriesData collectionFinal reportStinson 108-2 · Port Townsend, WAThe pilot's failure to adequately compensate for a wind conditions and maintain directional control during the touchdown and a subsequent aborted landing attempt.NTSB SEA01LA041Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Arlington, WAThe pilot's failure to maintain directional control during landing roll.NTSB SEA99LA012Accident · Minor injuriesLimited investigationFinal reportStinson 108-2 · Rainier, WAThe pilot's failure to maintain clearance from objects in the approach path. Factors include the marked wires near the end of the runway.NTSB SEA97LA045Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Richland, WAfailure of the pilot to see-and-avoid an ultralight aircraft that was taxiing and had stopped in front of him.NTSB SEA97LA039Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Friday Harbor, WAfailure of the engine (powerplant) for undetermined reason(s). A factor relating to the accident include: being over water at the time of power failure.NTSB SEA86FA075Accident · Serious injuriesField investigationFinal reportStinson 108-2 · La Conner, WAPlt was on approach for water landing in a canal used during previous summer for floatplane ops at dusk. Plt was looking for a specific boat moored in canal as landing mark, extended approach path beyond normal touchdown point. Acft struck telephone cable…NTSB SEA82FA093Accident · Serious injuriesField investigationFinal reportStinson 108-3 · Lopez Island, WAThe aircraft engine stopped at 400 feet AGL during climbout. The pilot executed a turn at minimum airspeed and landed the aircraft on a golf course. The landing gear and engine mounts failed. Investigation revealed the aircraft's fuel tanks were empty.NTSB SEA78FA053Accident · 1 fatalClosedStinson 108E · Enumclaw, WANTSB SEA78DYE18Accident · No injuriesClosedStinson 108-1 · Bremerton, WANTSB SEA73DYG16Accident · No injuriesClosedStinson 108-2 · Republic, WANTSB SEA73FYG08Accident · Serious injuriesClosedStinson 108-2 · Asotin, WANTSB SEA69D0261Accident · No injuriesClosedStinson 108-2 · Bellevue, WANTSB SEA69D0062Accident · No injuriesClosedStinson 108-1 · Warden, WANTSB SEA68F0254Accident · No injuriesClosedStinson 108-3 · Yakima, WANTSB SEA68D0258Accident · No injuriesClosedStinson 108-2 · Seattle, WANTSB UNK64X0634Accident · No injuriesClosedStinson 108-2 · Federal Way, WA