NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B
426 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B. 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.
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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.aircraft_model_code IN ('3952802'))
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.aircraft_model_code IN ('3952802'))
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 FTW01LA136Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Powhatan, ARthe pilot's failure to maintain obstacle clearance while maneuvering after takeoff.NTSB LAX01LA195Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Butte City, CAa fatigue failure of a propeller bolt.NTSB FTW01LA119Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Rosharon, TXthe pilot's failure to maintain aircraft control while maneuvering. Factors were the weather conditions and the muddy terrain.NTSB MIA01LA105Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Dyer, TNThe improper installation of the main landing gear tire (pinched tube) by company maintenance personnel resulting in a total loss of air pressure in-flight, loss of directional control on landing roll, and subsequent nose down.NTSB LAX00LA345Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Tracy, CALoss of engine power due to failure and separation of the number one connecting rod.NTSB FTW00LA253Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Erick, OKthe loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW00LA239Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Kaplan, LAthe failure of the supercharger during takeoff. A contributing factor was the lack of suitable terrain for the forced landing.NTSB LAX00LA285Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Tracy, CAThe pilot's failure to maintain adequate clearance from obstacles while maneuvering during an aerial application flight.NTSB FTW00LA210Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Ville Platte, LAThe loss of control for an undetermined reason.NTSB LAX00LA246Accident · No injuriesLimited investigationFinal reportGrumman G-164B · King City, CAThe loss of engine power for undetermined reasons.NTSB SEA00LA099Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Colfax, WAThe pilots failure to maintain clearance from power transmission lines.NTSB FTW00LA167Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G164B · Natchitoches, LAThe failure of the pilot to maintain directional control during the landing roll, which resulted in a ground loop. A factor was the crosswind.NTSB MIA00LA168Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Monticello, MSThe failure of the pilot to maintain directional control during takeoff into crosswind conditions resulting in the collision with trees. A factor in the accident was the pilot's lack of familiarity with the aircraft.NTSB ATL99LA133Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Enterprise, ALThe loss of engine power for undetermined reasons. Contributing to the severity of the accident was the in-flight collision with a tree during the forced landing.NTSB FTW99LA218Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Ferriday, LAThe pilot's failure to refuel the airplane which resulted in a loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.NTSB FTW99LA182Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Iowa, LAThe pilot's failure to maintain clearance with the crops being sprayed. A factor was the pilot's diverted attention.NTSB CHI99LA215Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Page, NDthe pilot's failure to compensate for the wind conditions. Factors were the sudden windshift and the crops.NTSB FTW99FA150Accident · 1 fatalField investigationFinal reportGrumman-Schweizer G164-B · Brinkley, ARThe pilot's inadvertent VFR flight into instrument meteorological conditions. Contributing factors were the pilots failure to maintain control of the aircraft, spatial disorientation, and the fog.NTSB CHI99LA162Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Buxton, NDthe number one cylinder's separation, the pilot's visual lookout not possible through the oil given off by the number one cylinder, and the embankment. A factor in the accident was the oil.NTSB FTW99LA134Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G164-B · Garwood, TXThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A related factor was the high density altitude.NTSB FTW99LA113Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Franklinton, LALoss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.NTSB FTW99LA101Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jennings, LAThe pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.NTSB CHI99LA046Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Naponee, NEthe pilot's failure to identify the wires prior to spraying the field and the low altitude at which the pilot was flying. A factor was the wires which the airplane contacted.NTSB MIA99LA041Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Fort Gains, GAa power loss due to internal damage to the second- and third- stage turbine rotor blades, due to thermal heat, rendering the engine incapable of producing full power, resulting in a forced landing, and subsequent impact with the terrain.NTSB ATL99LA017Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G164B · Cuthbert, GAThe fatigue failure of the accessory gear shaft which resulted in fuel starvation and the loss of engine power. A factors was the fuel system filter restriction.NTSB SEA98LA138Accident · 2 fatalLimited investigationFinal reportRockwell S-2R · Burley, IDA failure of both pilots to see and avoid each other's aircraft due to inadequate visual lookout.NTSB CHI98LA251Accident · No injuriesLimited investigationFinal reportGrumman G-164B · New Haven, ILWater contamination of the fuel system. A related factor was the swampy terrain.NTSB SEA98LA095Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Starbuck, WAThe pilot-in-command's failure to maintain adequate visual lookout. A contributing factor was the unmarked transmission lines.NTSB FTW98LA218Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Dumas, ARThe pilot's improper activation of the parking brake.NTSB FTW98LA206Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Lewisville, ARThe total loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB FTW98LA194Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Oberlin, LAThe pilot's failure to maintain aircraft control. A factor was the gusty wind.NTSB FTW98LA164Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Tuckerman, ARThe pilot's failure to maintain aircraft control. Factors were the wet and soft runway conditions.NTSB SEA98LA038Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Stanwood, WAThe pilot's failure to apply carburetor heat. Factors included carburetor icing conditions and soft terrain in the forced landing area.NTSB CHI97LA278Accident · 1 fatalLimited investigationFinal reportSchweizer G-164B · Larimore, NDthe pilot delaying the swath run turnaround maneuver at the end of the field boundary, and his failure to maintain clearance between the airplane and the high tension wires. A factor was the pilot's inattentiveness regarding the time to begin the swath run…NTSB CHI97LA204Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Donnelly, MNundetermined event resulting in the broken connecting rod and cylinder.NTSB MIA97LA190Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Edwards, MSfailure of the distributor drive gear in the right magneto, resulting in loss of engine power and a forced landing. The lack of suitable terrain for a forced landing was a related factor.NTSB MIA97LA146Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Ackerman, MSinstallation of an incorrect fuel filter in the fuel tanker, which allowed water-contaminated fuel being dispensed into the aircraft, subsequent partial loss of engine power on initial takeoff climb, and a forced landing. The lack of suitable terrain for a…NTSB CHI96LA287Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Wellfleet, NEfailure of the pilot to maintain aircraft control, while maneuvering at low latitude. The hilly (rolling) terrain and unfavorable wind were related factors.NTSB FTW96LA232Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Newport, ARfailure of the pilot to maintain clearance from the power line.NTSB FTW96LA231Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe pilot's failure to maintain control of the airplane.NTSB SEA96LA103Accident · No injuriesLimited investigationFinal reportSchweizer G164B · Moscow, IDinflight loss of an unsecured access plug from the engine crankcase, which resulted in a loss of engine oil and a forced landing. Factors relating to the accident were: hilly terrain, and foreign material (engine oil) on the windscreen which limited forward…NTSB CHI96LA186Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Crookston, MNcatastrophic engine failure.NTSB FTW96LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Iowa, LAthe pilot's selection of an unsuitable area for takeoff. The high vegetation (tall grass) was a related factor.NTSB LAX96LA124Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Tracy, CAoverheating and failure of the engine's master rod and master rod bearing due to oil starvation. A factor relating to the accident was: the lack of suitable terrain for an emergency landing.NTSB FTW96LA070Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Pawnee, OKThe pilot's failure to maintain adequate clearance from the terrain.NTSB LAX96LA012Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Lost Hills, CAthe pilot misjudged the aircraft's altitude.NTSB LAX95LA346Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Avondale, AZthe pilot's failure to plan to avoid wake turbulence.NTSB CHI95LA272Accident · Minor injuriesLimited investigationFinal reportGrumman G-164 · Wadena, MNthe pilot's inattentiveness during the reversal turn, the pilot not maintaining control of the airplane, and the stall/mush encountered by the pilot.NTSB CHI95LA266Accident · No injuriesLimited investigationFinal reportGrumman G164B · Bloomington, NEthe disintegration of the engine's super charger bearings. Factors associated with the accident were the total failure of the engine's super charger and the unsuitable terrain surrounding the airplane's departure path encountered by the pilot.NTSB SEA95LA188Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Ephrata, WAThe pilot's inadequate compensation for wind conditions. Factors contributing to the accident were crosswinds and gusts.