NTSB investigations: Jacobs R755B series
134 cases on aircraft whose registry engine model is Jacobs R755B 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 ('35007'))
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 ('35007'))
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 FTW95LA403Accident · No injuriesLimited investigationFinal reportCessna 195 · Moriarty, NMthe pilot's inadequate compensation for the winds. A factor was the crosswind.NTSB MIA95LA195Accident · No injuriesLimited investigationFinal reportCessna 195B · Macon, GAa total loss of engine power for undetermined reasons. Contributing to the accident was an engine compartment fire of undetermined origin.NTSB NYC94LA177Accident · No injuriesLimited investigationFinal reportCessna 195 B · Richmond, VAThe pilot's failure to maintain directional control which resulted in a ground loop. Contributing factors are excessive airspeed, fatigue, and improper recovery from a bounced landing.NTSB BFO94LA111Accident · Minor injuriesLimited investigationFinal reportClassic Waco YMF5 · Put-In-Bay, OHThe total loss of engine power for undetermined reasons. The lack of suitable terrain for a forced landing was a factor.NTSB CHI94LA192Accident · No injuriesLimited investigationFinal reportClassic YMF-5 · Noblesville, INthe pilot's excessive use of brakes. Factors related to the accident were the crosswind and the pilot's inadequate compensation for the wind conditions.NTSB FTW94LA087Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Almyra, ARThe partial failure of the brake master cylinder assembly for undetermined reasons. A factor was the soft terrain adjacent to the runway.NTSB LAX94LA137Accident · Minor injuriesLimited investigationFinal reportWaco YMF-5 · Carlsbad, CAThe pilot's failure to follow the correct procedures when he released the parking brake. The inadvertently engaged parking brake and the outdated flight manual were factors in this accident.NTSB LAX93LA205Accident · No injuriesLimited investigationFinal reportCessna 195B · Placerville, CAThe unreliability of the normal brake system and the leaking master cylinderNTSB ATL92LA164Accident · Minor injuriesLimited investigationFinal reportClassic Waco YMF-5 · Surfside Beach, SCThe failure of the main landing gear as a result of inadequate manufacturing.NTSB CHI91LA277Accident · No injuriesLimited investigationFinal reportClassic YMF5 · Hart, MIFailure of the pilot to maintain directional control of the airplane during a takeoff ground run.NTSB LAX91LA271Accident · No injuriesLimited investigationFinal reportClassic YMF · Bullhead City, AZExcessive brake application by the pilot in command. A contributing factor in the accident was the wind gusts.NTSB FTW91LA057Accident · No injuriesLimited investigationFinal reportCessna 195B · Mc Kinney, TXThe pilot's landing short of the threshold and loss of directional control.NTSB LAX90LA339Accident · No injuriesLimited investigationFinal reportWaco YMS · Kailua, HIImproper use of carburetor heat resulting in engine failure due to carburetor icing.NTSB NYC90LA136Accident · Minor injuriesLimited investigationFinal reportClassic Waco · Plymouth, CTThe failure of the pilot to correctly recover from a bounced landing. Factors related to the accident were: improper use of the brakes by the pilot.NTSB MIA90LA098Accident · Minor injuriesLimited investigationFinal reportWaco YMF-5 · Marathon, FLFailure of the pilot to maintain directional control during takeoff, which resulted in an inadvertent ground swerve. Factors related to the accident were: the crosswind, the pilot's excessive compensation for the wind condition, and his lack of experience in…NTSB MIA90IA020Incident · No injuriesIncident investigationFinal reportClassic YMF-5 · Marathon, FLThe pilot's incorrect elevator control while taxiing with a quartering tailwind. Contributing to the incident was the tailwind condition.NTSB MIA89LA216Accident · No injuriesLimited investigationFinal reportCessna 195B · Hollywood, FLThe failure of the left main landing gear spring due to low cycle fatigue, resulting in the loss of control of the ground.NTSB MIA89LA076Accident · Minor injuriesLimited investigationFinal reportWaco YMF · Key West, FLThe inability of the plt to maintain control after encountering his own wake turbulence at a low altitude during a steep turning maneuver.NTSB DEN88LA173Accident · Serious injuriesLimited investigationFinal reportCessna 195B · Watkins, COThe new owner of the acft was receiving flt training from an instructor (CFI) & they were practicing landings. Drg a landing roll-out, the acft began to veer to the right. The CFI took the controls to avoid running off the rwy, then took off & flew another…NTSB MIA88LA220Accident · No injuriesLimited investigationFinal reportClassic YMF-5 · Key West, FLWhile turning the acft around at the operator's establishment after completing a sightseeing flt, the lower left wing collided with a vehicle.NTSB LAX88LA073Accident · No injuriesLimited investigationFinal reportCessna 195A · Burbank, CAWhile holding short of the active rwy, the number one acft,N4309Y, was having radio problems. The tower began to clear other acft for takeoff. Two acft were able to get around the number one acft and takeoff. The third acft cleared to taxi into position did…NTSB MKC87LA114Accident · Minor injuriesLimited investigationFinal reportGrumman G-164 · Knoble, ARThe PIC had taken off for a local aerial application operation. While maneuvering to make initial application the acft started to lose power and sink during a downwind turn. PIC dumped his load but acft continued to sink until one wing struck the terrain and…NTSB MIA87LA007Accident · No injuriesLimited investigationFinal reportWaco YMF · Key West, FLThe acft nosed over during landing roll. The professional plt stated that he was certain the brakes were off prior to takeoff and that he was sure he was not 'riding' the braked on landing. The plt stated that he thought the parking brake may have come on…NTSB FTW85LA160Accident · No injuriesLimited investigationFinal reportCessna 195B · Bay City, TXCessna exhaust stack failed at weld. Hot exhaust burned through magnrto p leads and eng failed. During forced landing on a narrow farm road with a quartering tailwind. The acft drifted off the side of the road during the landing roll and nosed over.NTSB CHI85LA111Accident · No injuriesLimited investigationFinal reportCessna 195B · Galena, OHThe acft nosed over when the main lndg gear hit a snowbank during lndg. Te plt stated that he had a x-wind from the rt side. He allowed the acft to drift left into the snow.NTSB ATL85LA036Accident · Minor injuriesLimited investigationFinal reportCessna 195B · Eads, TNThe plt stated that he was taking off with full pwr. The acft accelerated to about 60 when it went over a small rise in the rwy, the left wheel assembly seperated from the acft at the pt where it attaches to the landing gear strut. The strut dug into the gnd…NTSB MIA84FA051Accident · 1 fatalField investigationFinal reportGrumman C-164 · South Bay, FLAs the acft initiated a turn to start dusting, it was observed to lose altitude rapidly & collide with the ground. The acft was 470 lbs over max gross takeoff weight. The area was affected by gusty winds from the south, & the plt's initial turn to the field…NTSB MKC83LA037Accident · No injuriesLimited investigationFinal reportCessna 195B · Lewellen, NEPilot collided with a dirt mound during takeoff from a field and groundlooped the aircraft. Landing gear collapsed.NTSB ANC82DAG22Accident · Minor injuriesFinal reportCessna 195 · Anchorage, AKThe pilot stated that during the landing roll, at a speed of approximately 30 KTS, the brakes were applied in preparation for turning off the runway. The right brake pedal went to the floor and attempts to pump it up were unsuccessful. The aircraft ran off…NTSB FTW81FQG45Accident · No injuriesClosedCessna 195B · Lubbock, TXNTSB SEA81DYA11Accident · No injuriesClosedGrumman G-164 · Monteview, IDNTSB FTW81DRD21Accident · No injuriesClosedGrumman G-164 · Chatagnier, LANTSB ATL81FKG07Accident · Serious injuriesClosedCessna 195B · Columbus, GANTSB FTW80FPJ34Accident · No injuriesClosedCessna 195B · Newcastle, OKNTSB LAX80FUA13Accident · No injuriesClosedBoeing N2S · Santa Ana, CANTSB LAX80FVD27Accident · Serious injuriesClosedCessna 195B · Lodi, CANTSB MIA79DKG52Accident · No injuriesClosedGrumman G-164 · Fitzgerald, GANTSB MIA79DLD46Accident · No injuriesClosedCessna 195 · St Petersburg, FLNTSB CHI78FEC37Accident · No injuriesClosedCessna 195 · Ypsilati, MINTSB MKC78FCA13Accident · No injuriesClosedCessna 195 · Willow Springs, MONTSB NYC77DHA35Accident · No injuriesClosedCessna 195 · Ottsville, PANTSB MKC77FER79Accident · No injuriesClosedCessna 195 · Bloomington, MNNTSB CHI77FEG06Accident · Serious injuriesClosedCessna 195A · West Union, OHNTSB MKC77DCD01Accident · No injuriesClosedCessna 195B · Tripoli, IANTSB DEN76DTE88Accident · No injuriesClosedCessna 195 · Hayden, CONTSB OAK76DVG69Accident · No injuriesClosedCessna 195 · Foresthill, CANTSB FTW76FRG46Accident · Minor injuriesClosedCessna 195 · New Braunfels, TXNTSB FTW76DQG45Accident · No injuriesClosedCessna 195B · Midland, TXNTSB DEN7LFTE11Accident · No injuriesClosedCessna 195 · Denver, CONTSB LAX75DUQ31Accident · No injuriesClosedCessna 195 · Mojave, CA