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.
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.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 WPR10CA289Accident · Serious injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Courtland, CAThe pilot's failure to maintain clearance from terrain during low-altitude maneuvers.NTSB WPR10LA212Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Buckeye, AZA partial loss of engine power during the takeoff roll for undetermined reasons.NTSB CEN10CA201Accident · No injuriesData collectionFinal reportGrumman G-164B · Forest City, MOThe pilot's failure to maintain aircraft control during landing, which resulted in an encounter with wet/muddy terrain and a subsequent nose over.NTSB WPR10LA139Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Colfax, WAA partial loss of engine power due to carburetor ice as a result of the pilot's failure to use carburetor heat.NTSB WPR10LA122Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Pullman, WAA partial loss of engine power during takeoff due to a bird's nest being sucked into the induction air ducting.NTSB WPR09CA393Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Westley, CAThe pilot’s inadequate preflight planning and preparation, and his decision to operate the airplane well in excess of its maximum gross weight.NTSB CEN09LA451Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Beaman, IAThe loss of engine power during initial climb for undetermined reasons.NTSB WPR09LA228Accident · Serious injuriesLimited investigationFinal reportAyres S2R-T34 · Marysville, CAThe failure of both pilots to see and avoid the other airplane while making their final approach for landing.NTSB WPR09LA227Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Colfax, WAA total loss of engine power due to excessive wear in several carburetor components that led to a malfunction of the carburetor.NTSB CHI08CA240Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164B · Salem, IAThe loss of engine power for an undetermined reason. Contributing to the accident was the high grass encountered during the landing roll.NTSB LAX08CA223Accident · Minor injuriesData collectionFinal reportGrumman Acft Eng G-164B · Patterson, CAThe pilot's failure to maintain clearance from obstacles while maneuvering.NTSB DFW08CA168Accident · Minor injuriesData collectionFinal reportGrumman G-164 · Tallulah, LAThe pilot's failure to maintain aircraft control. Contributing to the accident was the pilot's failure to maintain adequate airspeed.NTSB DEN08LA106Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · O'Kean, ARAn inadvertent accelerated stall. Contributing factors in this accident were the low airspeed, steep angle of bank, and heavy weight.NTSB LAX08LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Wilder, IDThe loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing.NTSB LAX08CA082Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164B · Colfax, WAThe pilot's inadequate compensation for the wind conditions, failure to attain and maintain an adequate airspeed that resulted in a stall mush, and, the subsequent failure to maintain terrain and obstacle clearance during the takeoff initial climb.…NTSB CHI07CA214Accident · Minor injuriesData collectionFinal reportGrumman G-164B · Sheldon, ILThe pilot's inability to maintain a proper rate of climb during takeoff. Factors associated with the accident were the pilot's failure to dump the chemical load and the ditch which the airplane contacted.NTSB CHI07CA131Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · Humphrey, ARThe pilot's failure to maintain sufficient clearance between the airplane and the power lines. A factor was the power lines.NTSB ATL07CA018Accident · No injuriesData collectionFinal reportGrumman G-164B · Pine Hill, ALThe pilot's improper fuel management resulting in a total loss of engine power in cruise flight due to fuel exhaustion, subsequent forced landing to non suitable terrain, and an on-ground collision with tree stumps on the landing roll out.NTSB SEA06CA145Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · Lamont, WAThe pilot's failure to maintain terrain clearance while maneuvering.NTSB NYC06LA178Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Frederick, MDA failure of the masterod, due to a hydraulic lock on a previous flight, which resulted in a total loss of engine power.NTSB DEN06CA081Accident · Minor injuriesData collectionFinal reportGrumman G-164B · Dighton, KSThe broken rocker arm boss causing the number 1 cylinder exhaust valve to stay closed and subsequently the engine failed. A factor contributing to the accident was the soft field the airplane set down in.NTSB LAX06LA169Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tracy, CAloss of power for undetermined reasons.NTSB DFW06CA113Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · De Witt, ARThe pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds.NTSB DFW06CA081Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · Texarkana, ARThe loss of engine power due to a cracked cylinder. Contributing factors were the pilot's failure to maintain adequate airspeed.NTSB DFW05CA236Accident · Serious injuriesData collectionFinal reportGrumman G-164B · Epps, LAThe pilot's failure to maintain clearance with the power lines.NTSB DFW05CA212Accident · No injuriesData collectionFinal reportGrumman G164B · Alexandria, LAThe pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude.NTSB SEA05CA157Accident · No injuriesData collectionFinal reportGrumman G-164B · Paul, IDThe failure of the pilot to maintain direction control during the landing roll, which resulted in a nose over. Contributing factors included the weeds and the wet, soft terrain..NTSB CHI05LA176Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Buxton, NDA loss of engine power on takeoff due to undetermined reasons. A factor was the ditch that the airplane contacted during the forced landing.NTSB DFW05LA147Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Lake Charles, LAThe failure of the propeller governor which resulted in a forced landing. A contributing factor was the transmission wire.NTSB DFW05LA116Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Fenton, LAThe loss of engine power due to fuel starvation as a result of blockage of the firewall fuel filter with an unknown contaminant. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI04LA220Accident · 1 fatalLimited investigationFinal reportAllied Ag Cat Productions G-164B · Moville, IAThe pilot's inadequate in-flight planning/decision by his failure to maintain obstacle clearance. Contributing factors were low altitude flying and the tree.NTSB CHI04LA217Accident · No injuriesLimited investigationFinal reportGrumman G-164-B · Bradford, ILThe pilot's misjudgment of speed and distance, and his failure to perform a go-around. Additional factors were the wet runway and the ditch.NTSB CHI04LA184Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · York, NEA loss of engine power for undetermined reasons. Contributing to the accident were the low altitude at the time of power loss and the unsuitable landing area encountered during the forced landing.NTSB CHI04CA151Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164B · Hope, NDThe pilot's failure to maintain clearance from the tree branches during the aerial-application flight. A factor to the accident was the trees.NTSB SEA04LA099Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Midvale, IDThe failure of the pilot to maintain clearance from the high tension powerline. A factor was the powerline.NTSB LAX04LA126Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Tracy, CAA loss of engine power for undetermined reasons during cruise flight.NTSB CHI03LA176Accident · No injuriesLimited investigationFinal reportAllied Ag Cat Productions G-164B · Dyess, ARThe loose fittings on the bleed air system which resulted in a loss of engine power, and the unsuitable terrain encountered during the forced landing. Factors to the accident were the watery and the muddy conditions and the inadequate fastening of the bleed…NTSB CHI02LA277Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Martin, MIThe pilot's inadequate aircraft preflight and his inability to abort the takeoff due to the obscured windshield. Contributing to the accident was the bent hopper latch and the pilot's failure to maintain directional control.NTSB LAX02LA232Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Knights Landing, CAThe pilot's inadequate visual lookout, resulting in an in-flight collision with wires.NTSB SEA02LA123Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Weiser, IDThe fracture of the number 3 cylinder exhaust pushrod resulting in the exhaust valve's inability to open during the exhaust cycle and the subsequent engine stoppage. Contributing factors were the ditch and elevated roadway which the aircraft crossed during…NTSB SEA02LA121Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Shelley, IDA loss of engine power due to the manufacturer's improperly machined threads, which prevented the cylinder base/head halves from being properly assembled, leading to fatigue propagation and the ultimate separation of the cylinder. A contributing factor was…NTSB CHI02LA132Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Hordville, NEA loss of engine power due to a fractured rocker arm shaf. Contributing to the accident was the soft, furrowed field.NTSB FTW02LA132Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Gillett, ARthe pilot's failure to maintain directional control on landing. A contributing factor was the high vegetation.NTSB LAX02LA125Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Dixon, CAThe pilot lost directional control due to the unsuitable landing area. A contributing factor was the muddy runway condition.NTSB FTW01LA203Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Lydia, LAthe pilot's failure to maintain clearance with a marked tower while maneuvering.NTSB CHI01LA300Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Atlantic, IAThe loss of engine power for undetermined reasons during the takeoff and initial climb, and the unsuitable terrain encountered during the forced landing. Factors relating to this accident were the corn crop and the low altitude.NTSB SEA01LA149Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Quincy, WAThe failure of the impeller assembly as a consequence of impeller rub and binding within the impeller collector case for undetermined reasons.NTSB CHI01LA273Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Hazelton, NDthe pilot's ostentatious display when he performed a low level manuever and stalled the airplane.NTSB FTW01LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.NTSB MIA01LA204Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Edison, GAPartial loss of engine power for undetermined reasons during takeoff resulting in the airplane descending, colliding with the ground, and nosing over.