NTSB investigations: Franklin 6A4165 series
438 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, newest first
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 ('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."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 ANC99LA046Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Kenai, AKThe pilot's inadequate compensation for wind conditions. A factor associated with the accident was high winds.NTSB NYC99LA065Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Bristol, CTThe partial loss of power due to the failure of a fatigued connecting rod bolt.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 ANC98LA039Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Chugiak, AKThe pilot's selection of an unsuitable, slush-covered, runway for landing. A factor was the slush-covered 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 FTW97LA035Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Tyler, TXa loss of engine power due to failure of the crankshaft. A factor was the lack of suitable terrain for the forced landing.NTSB ATL97LA001Accident · Minor injuriesLimited investigationFinal reportStinson 108-3 · Morris, ALThe pilot selected the wrong runway relative to the wind, and misjudged the proper touchdowm point on the runway. The tailwind was a factor.NTSB FTW96LA202Accident · No injuriesLimited investigationFinal reportStinson 108-2 · El Paso, TXthe pilot's improper inflight planning/decision, which resulted in fuel exhaustion and a subsequent forced landing. A factor relating to the accident was: the unfavorable en route wind.NTSB ANC96LA046Accident · No injuriesLimited investigationFinal reportStinson ST-75 · Anchorage, AKThe pilot's failure to select the proper fuel tank prior to takeoff resulting in fuel starvation. A factor in the accident was the pilot's failure to follow the checklist.NTSB CHI96LA138Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Pontiac, MIfailure of the pilot to maintain control of the airplane during the landing roll. A factor relating to the accident was: the crosswind condition.NTSB ANC96LA048Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Soldotna, AKThe pilot's inadequate compensation for wind conditions. The gusty/crosswind condition was a related factor.NTSB SEA96LA052Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Hubbard, ORthe pilot's misjudgment of altitude and distance on short final. A factor was the wet and soft terrain short of the runway threshold.NTSB CHI96LA085Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Sandstone, MNthe pilot's selection of an ice-covered runway for takeoff. A factor was the icy runway.NTSB FTW96LA077Accident · Minor injuriesLimited investigationFinal reportStinson ST-108-2 · Lake Dallas, TXthe failure of the #6 connecting rod assembly. A factor was the lack of suitable terrain for a forced landing which resulted in a water landing.NTSB CHI95LA299Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Tribune, KSthe pilot's use of excessive braking during the landing roll. A factor associated with the accident was the pilot's failure to maintain directional control of the airplane during the landing roll.NTSB ANC95LA099Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Anchorage, AKThe pilot's loss of directional control, during the takeoff roll, which resulted in an inadvertent swerve, and the pilot's excessive application of brake pressure, which resulted in a nose down condition.NTSB ANC95LA091Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Shishmaref, AKFailure of the pilot to abort the takeoff, while there was sufficient runway remaining. Factors relating to the accident were: unfavorable wind conditions, and failure of the pilot to lower the flaps for takeoff.NTSB NYC95LA096Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Clarion, PAA partial failure of the brake system.NTSB LAX95LA083Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Lodi, CAthe pilot's inadequate compensation for the existing crosswind wind condition and his failure to maintain proper alignment with the runway.NTSB FTW95LA093Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Roanoke, TXLoss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB CHI94LA208Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Warren, MNthe pilot's improper use of the parking brake.NTSB CHI94LA201Accident · Serious injuriesLimited investigationFinal reportAeronca 15AC · Napoleon, MIa loss of engine power for unknown reasons. A factor related tot he accident were the trees encountered.NTSB CHI94LA163Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Kettle River, MNThe pilot's improper use of carburetor heat and the lack of suitable terrain for a forced landing. The carburetor icing weather condition was a factor.NTSB LAX94LA195Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Ramona, CAThe pilot of the other aircraft failed to maintain an adequate visual lookout.NTSB FTW93LA225Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Osceola, ARInadvertent stall. Factors were the improper latching of the engine cowling by the pilot and his inadequate preflight inspection.NTSB ANC93LA094Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Dry Creek, AKThe loss of engine power for undetermined reasons.NTSB NYC93LA070Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Norridgewock, METhe pilot at the controls failed to maintain directional control of the airplane, and the flight instructor provided inadequate supervision. A related factor was the pilot at the controls had no flight experience in the make and model of airplane being flown.NTSB CHI93LA085Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Omaha, NEThe pilot's failure to maintain directional control.NTSB LAX92LA282Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Montague, CAThe disintegration of the left wheel during the landing roll out and the resultant inability of the pilot to maintain directional control of the aircraft. A factor in the accident was the soft nature of the terrain encountered by the aircraft after leaving…NTSB LAX92LA255Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Window Rock, AZThe failure of the pilot to calculate the aircraft's performance data and perform a weather evauluation. The existing high density altitude was a factor in the accident.NTSB CHI92LA148Accident · Serious injuriesLimited investigationFinal reportStinson 108-2 · Olathe, KSThe in flight separation of the propeller tip. An associated factor is the rough and uneven terrain.NTSB ANC92LA020Accident · No injuriesLimited investigationFinal reportStinson 108 · Chugiak, AKThe pilot failed to maintain proper altitude during the final approach. Contributing to the accident was the pilot's lack of total experience performing landings in reduced light conditions, the poor light condition at dusk, and the snow covered terrain.NTSB ANC91LA157Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Cantwell, AKThe engine power loss for undetermined reasons and the lack of suitable terrain for a forced landing.NTSB DEN91LA080Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Santa Fe, NMA forward aft pilot seat adjustment locking mechanism failure.NTSB ANC90LA148Accident · Serious injuriesLimited investigationFinal reportStinson 108 · Cold Foot, AKThe pilot-in-command's failure to maintain flying speed.NTSB DEN90LA152Accident · No injuriesLimited investigationFinal reportStinson 108 · Clovis, NMImproper installation of the right main wheel assembly.NTSB SEA90LA123Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Worley, IDImproper planning/decision by the pilot, which resulted in an inadequate supply of fuel and fuel exhaustion. The high vegetation (wheat crop) and rough terrain (rut) were related factors.NTSB NYC90LA109Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Warehouse Point, CTThe pilot failed to maintain directional control during a landing with a gusty crosswind.NTSB NYC90LA085Accident · Minor injuriesLimited investigationFinal reportStinson 108-2 · Hudson, NYThe pilots improper operation of the flight controls which resulted in the loss of control of directional control of the airplane during a touch and go landing. Factors related to the accident were the pilot's lack of total experience.NTSB SEA90LA062Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Hillsboro, ORPilot displayed poor starting procedures by proceeding with known deficiencies with the parking brake and the inadequacies of the tie down. The pilot did not attain assistance for this procedure which resulted in the airplane getting away and colliding with…NTSB ANC90LA030Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Anchorage, AKThe pilot misjudged his distance and altitude to the runway on final approach, and failed to attain the proper touchdown point. Factors related to the accident were: dark night, unfavorable wind wind conditions and snow covered terrain.NTSB LAX90LA044Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Rialto, CAThe pilot's failure to maintain directional control during landing. Contributing factors were the gusty crosswind conditions.NTSB DEN90LA019Accident · No injuriesLimited investigationFinal reportUniversal Stinson 108-3 · Fort Collins, COInadequate compensation for wind conditons by the pilot which resulted in his failure to maintain directional control. Factors related to the accident were: the unfavorable wind condition and soft terrain.NTSB FTW89DPJ05Accident · No injuriesFinal reportNord Stampe SV4C · Bartlesville, OKTotal failure of the engine connecting rod.NTSB DEN89LA107Accident · No injuriesLimited investigationFinal reportStinson 108-3 · Aurora, COThe inadequate compensation for wind conditions by the pilot. Lack of recent experience in the type of aircraft is considered a contributing factor.NTSB NYC89IA101Incident · No injuriesIncident investigationFinal reportStinson 108-3 · Blairstown, NJThe pilot's misjudgement of the clearance between the airplanes.NTSB NYC88LA250Accident · No injuriesLimited investigationFinal reportBellanca 14-13-2 · Sodus Bay, NYWhile on a low level pleasure flt over water the plt failed to maintain adequate terrain clearance and the left wing contacted the water. The acft crashed into the water and remained upright. The plt and pax exited the acft and were picked up by a passing…NTSB FTW88DPJ05Accident · 1 fatalFinal reportStinson 108-3 · Collinsville, OKThe pilot experienced a loss of engine power during the takeoff leg. Post accident investigation revealed that the fuel selector was in the near closed position. This position only allowed a small percentage of the fuel to flow but would allow operation in…NTSB NYC88LA124Accident · No injuriesLimited investigationFinal reportStinson 108-2 · Warwick, NYDuring takeoff and landing practice, the aircraft veered left off of the runway despite reported full right rudder application by the pilot. The aircraft continued to roll across the grass and came to rest after colliding with a construction ditch.