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NTSB investigations: Jacobs R755A series

175 cases on aircraft whose registry engine model is Jacobs R755A 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases, newest first

Query with SQL

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 ('35006')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('35006'))
  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 ('35006'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 LAX93LA034Accident · No injuriesLimited investigationFinal reportCessna 195 · El Cajon, CAThe pilot's improper use of the brakes.Nov 8, 1992 · N3899V · Substantial damage NTSB NYC93FA013Accident · 1 fatalField investigationFinal reportCessna 195 · Shenandoah, PAA loss of control due to pilot incapacitation.Oct 10, 1992 · N4308V · Destroyed NTSB BFO92LA029Accident · No injuriesLimited investigationFinal reportCessna 195 · Charleston, WVFailure of the pilot to maintain clearance from the taxiway sign.Mar 4, 1992 · N4495C · Substantial damage NTSB FTW91DPG17Accident · No injuriesFinal reportGrumman G-164 · Goodwin, ARThe failure of the right main landing gear.Jul 24, 1991 · N634U · Substantial damage NTSB FTW91LA015Accident · No injuriesLimited investigationFinal reportCessna 195 · N. Little Rock, ARThe failure of the right brake system to release after application for unknown reasons.Nov 18, 1990 · N4320V · Substantial damage NTSB FTW90LA011Accident · Minor injuriesLimited investigationFinal reportCessna 195 · San Antonio, TXPilot's improper recovery from a bounced landing and subsequent stall of the aircraft.Oct 15, 1989 · N3893V · Substantial damage NTSB ATL88LA209Accident · No injuriesLimited investigationFinal reportCessna 195A · Memphis, TNThe plt reported that the left wheel separated from the airplane during ldg rollout on rwy 27, allowing the left gear to drag on the rwy. The airplane then bounced, veered to the right, and skidded to a stop. The left ldg gear collapsed as the acft stopped.…Jul 3, 1988 · N1576D · Substantial damage NTSB NYC88LA070Accident · No injuriesLimited investigationFinal reportCessna 195 · Meriden, CTAfter performing several touch and go landings, the student pilot made a landing right of the center line. The aircraft drifted to the right, struck a snowbank, sheared off the left main landing gear, then groundlooped. The aircraft came to rest on the grass…Jan 31, 1988 · N1077D · Substantial damage NTSB DEN87LA239Accident · Minor injuriesLimited investigationFinal reportCessna 195 · Colorado Sprgs, COThe plt stated that after he lndd to pick up a pax, he engaged the control lock fm habit, but did not shut dwn the eng. He got clnc to taxi back to the rwy & takeoff, but 'forgot to release control lock.' The Cessna 195 has a combination control lock and…Sep 25, 1987 · N3006B · Substantial damage NTSB LAX86LA351Accident · No injuriesLimited investigationFinal reportCessna 195 · Porterville, CAAfter a normal landing the pilot said he began to apply moderate brake pressure to make the mid-field taxiway turn off and felt what he described as 'a light jerk in the left gear' followed by a 'snapping sound which occurred two or three times.' The pilot…Sep 15, 1986 · N3879V · Substantial damage NTSB MKC86LA177Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Goodwin, ARThe ag acft was being used to spray nudrin on soybeans when the engine lost power. The plt made a forced landing in a rice field and the acft flipped forward to the inverted position. Investigation revealed the two-piece cam reduction gear came apart. An AD…Aug 22, 1986 · N634U · Substantial damage NTSB LAX86LA306Accident · No injuriesLimited investigationFinal reportCessna 195 · Ramona, CAThe aircraft owner stated that the purpose of the flight was to obtain 5 hours of transition training in the tail dragger and accomplish a bfr. After departure the CFI had the pilot perform airwork maneuvers enroute to the Ramona area. The pilot said that a…Jul 28, 1986 · N3899V · Substantial damage NTSB DEN86LA162Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Wessington, SDAccording to the plt, during maneuvering on a swath run, the acft he was piloting encountered a downdraft, forcing the acft down until contact with the ground.Jun 12, 1986 · N751Y · Substantial damage NTSB CHI86LA147Accident · No injuriesLimited investigationFinal reportCessna 195 · Port Huron, MIThe flight was to be a currency flight for the plt who indicated the acft had sat unused for over 8 months. After 10-15 minutes of flight the engine stopped. A hard landing was made on lake st. clair and the acft was substantially damaged. When interviewed…May 30, 1986 · N4745G · Substantial damage NTSB SEA86FA052Accident · 1 fatalField investigationFinal reportCessna 195 · Black Diamond, WARadar track shows C195 plt was descending into congested airspace at about 192 mph, above max structural cruise speed of 178 mph, less than 1 min from traffic pattern entry. Radar data and witness confirm a second acft in proximity, engaged in aerobatics.…Feb 1, 1986 · N4339N · Destroyed NTSB ATL85LKG09Accident · No injuriesFinal reportGrumman G-164 · Opp, ALThe plt reported that during a pull-up and turnaround at the end of a swath run, the eng gave off smoke and lost pwr. The plt dumped the chemical load and performed a forced landing in a fld which contained 6 to 8 ft tall vegetation. The acft travelled aprx…Sep 5, 1985 · N598Y · Substantial damage NTSB SEA85LA184Accident · No injuriesLimited investigationFinal reportGrumman 164 · Klamath Falls, ORA landing was being made on an agricultural airstrip when a dust devil was encountered. During application of brakes the right brake failed due to a leaking o ring. The aircraft then veered right striking a fence.Jul 28, 1985 · N742Y · Substantial damage NTSB ATL85LA133Accident · No injuriesLimited investigationFinal reportCessna 195 · Lexington, KYDuring ldg roll-out the plt applied brake press in order to turn onto the taxiway & the rt brake grabbed causing the acft to ground loop. The left landing gear spring strut separated from the fuselage attachment point.Apr 12, 1985 · N4408C · Substantial damage NTSB LAX85LA237Accident · No injuriesLimited investigationFinal reportCessna 195 · Tucson, AZThe student lost control & ground looped the acft during rollout from the fifth landing while practicing for his bfr. The CFI reported that the accident might have been prevented had he been more attentive and/or provided better supervision.Apr 6, 1985 · N4331N · Substantial damage NTSB LAX85FUG01Accident · No injuriesFinal reportCessna 195 · Riverside, CAThe acft nosed over during a landing roll following a loss of control.Oct 31, 1984 · N3879V · Substantial damage NTSB FTW84LA366Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Oak Grove, LAAircraft landed with a flat left main tire, veered left and nosed over inverted.Aug 24, 1984 · N528Y · Substantial damage NTSB DEN84LA237Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Wessington, SDPlt stated that during loading for aerial application, he failed to note approaching roll cloud which usually signifies localized turbulence and strong, gusting winds. On takeoff roll, wind shift noted and at 100 ft altitude, heavy turbulence was encountered.…Jul 25, 1984 · N751Y · Substantial damage NTSB LAX84LA081Accident · No injuriesLimited investigationFinal reportCessna 195 · El Cajon, CAThe pilot stated that the acft veered to the right during landing. The pilot tried left brake with no success. The acft groundlooped and the left gear failed. The brakes were examined after the accident but due to the damage to the lines & and fittings no…Nov 29, 1983 · N9335A · Substantial damage NTSB FTW83LA401Accident · Minor injuriesLimited investigationFinal reportCessna 195 · Sheridan, ARThe acft was damaged in a ground loop after a hard landing. After a high bounce the acft settled to the rwy and veered sharply to the left running off the rwy. Examination by an a & p mechanic revealed a fatigue crack in the left landing gear leg.Aug 28, 1983 · N6894D · Substantial damage NTSB ATL83LA210Accident · Minor injuriesLimited investigationFinal reportGrumman G-164 · Alligator, MSThe acft collided with the terrain during an turn to reverse direction on an aerial application flt. The plt said he encountered a wind shear during the turn and was unable to arrest the descent. The acft impacted on the main gear and was substantially…Jun 3, 1983 · N701Y · Substantial damage NTSB ATL83LA202Accident · No injuriesLimited investigationFinal reportCessna 195 · Florence, SCAccording to the plt, the eng lost power about 3 mi from the arpt after he switched from the right to the left fuel tank. He reported that he switched the boost pump to the 'high' position, but was unable to restart the eng. He estimated there was 5 to 7 gal…May 26, 1983 · N4395V · Substantial damage NTSB NYC82DA204Accident · No injuriesFinal reportCessna 195A · Wallingford, CTThe pilot reported that when he preflighted the aircraft, the fuel tanks were full. Fuel was drained from each wing and the fuselage low point with no indication of water. During takeoff, engine power was lost at an altitude of about 150 ft as the manifold…Aug 19, 1982 · N4433C · Substantial damage NTSB CHI81FER21Accident · No injuriesClosedCessna 195 · Redwood Falls, MNMar 22, 1981 · N1576D · Substantial damage NTSB LAX80DVG57Accident · No injuriesClosedGrumman G-164 · Pleasant Grove, CAJun 24, 1980 · N656Y · Substantial damage NTSB MKC79FA047Accident · 1 fatalClosedCessna 195 · Ely, MNAug 14, 1979 · N9320A · Substantial damage NTSB MKC79FCA23Accident · No injuriesClosedGrumman G-164 · Neelyville, MOJul 31, 1979 · N701Y · Substantial damage NTSB OAK79FA031Accident · 2 fatalClosedCessna 195 · Laytonville, CAMay 19, 1979 · N9877A · Destroyed NTSB LAX79FUA08Accident · No injuriesClosedCessna 195 · Long Beach, CAApr 4, 1979 · N1563D · Substantial damage NTSB MIA78DKQ40Accident · No injuriesClosedGrumman G-164 · Hollybluff, MSSep 20, 1978 · N961X · Destroyed NTSB MIA78FKJ82Accident · No injuriesClosedGrumman G-164 · Ashford, ALAug 26, 1978 · N598Y · Substantial damage NTSB DEN78FQA21Accident · No injuriesClosedCessna 195 · Socorro, NMMay 7, 1978 · N460A · Substantial damage NTSB FTW77FRJ20Accident · No injuriesClosedGrumman G-164A · Gilliam, LAAug 30, 1977 · N959X · Substantial damage NTSB NYC77FHD25Accident · No injuriesClosedGrumman G-164A · Vineland, NYAug 7, 1977 · N910X · Substantial damage NTSB OAK77FVD34Accident · No injuriesClosedCessna 195 · Stockton, CAMay 20, 1977 · N1563D · Substantial damage NTSB LAX77FUA08Accident · No injuriesClosedCessna 195 · Torrance, CAApr 10, 1977 · N9826A · Substantial damage NTSB MIA77FKA01Accident · No injuriesClosedGrumman G-164 · Yauco, PRNov 1, 1976 · N460Y · Substantial damage NTSB MKC76FER94Accident · No injuriesClosedCessna 195 · Mora, MNAug 29, 1976 · N4330V · Substantial damage NTSB FTW76FRJ38Accident · Minor injuriesClosedBoeing E75N1 · Epps, LAAug 7, 1976 · N1256V · Substantial damage NTSB LAX76DUJ71Accident · Minor injuriesClosedCessna 195 · Show Low, AZApr 24, 1976 · N9372A · Substantial damage NTSB OAK76DXQ21Accident · No injuriesClosedCessna 195B · Reno, NVOct 18, 1975 · N3021B · Substantial damage NTSB MIA76FKQ23Accident · No injuriesClosedGrumman G-164A · Holly Bluff, MSOct 14, 1975 · N959X · Substantial damage NTSB MIA76DKJ28Accident · No injuriesClosedGrumman G-164 · Sylacauga, ALOct 12, 1975 · N960X · Substantial damage NTSB NYC76DNA15Accident · No injuriesClosedFairchild 24 · Norfolk, MASep 7, 1975 · N46257 · Substantial damage NTSB ANC76DAG08Accident · No injuriesClosedCessna 195 · Nondalton, AKJun 29, 1975 · N4304N · Substantial damage NTSB MIA75FKQ27Accident · No injuriesClosedGrumman G-164A · Edwards, MSApr 16, 1975 · N961X · Substantial damage