NTSB investigations: Schweizer G-164B
120 cases on aircraft the registry lists as 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 ('8059055'))
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 ('8059055'))
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 FTW02LA107Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Ferriday, LAthe failure of the number three cylinder exhaust rocker arm, resulting in a total loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.NTSB SEA01LA156Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Twin Falls, IDNose over during the landing roll for undetermined reasons.NTSB LAX01LA228Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Meridian, CAThe pilot's misjudged and inadequate altitude while maneuvering during an aerial application flight.NTSB LAX00LA344Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Corcoran, CAThe pilot's inadequate preflight inspection and his failure to maintain directional control during takeoff. Factors were the pilot's failure to ensure that the fuel tank cover was replaced properly, fuel contamination of the windscreen, and the sun angle that…NTSB FTW00LA233Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Deerpark, LAthe failure of both pilots to maintain a visual outlook during landing approach. A contributing factor was both pilot's failure to follow recommended traffic patterns.NTSB CHI00LA247Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Wallace, NEthe fractured number three exhaust push rod assembly and the unsuitable terrain encountered by the pilot.NTSB LAX00LA278Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Tracy, CAA loss of engine power for undetermined reasons.NTSB FTW00LA200Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Moscow, TXthe failure of the power output reduction gear to the propeller. A contributing factor was the lack of suitable terrain for the forced landing.NTSB LAX00LA162Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164B · Lodi, CAA loss of engine power for undetermined reasons.NTSB ATL99LA055Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Bay Springs, MSThe fuel control drive bearing failure at the intermediate gear resulted in fuel starvation and the subsequent loss of engine power.NTSB ATL98LA115Accident · No injuriesLimited investigationFinal reportSchweizer G164B · Newton, MSThe erosion of the compressor impeller and the unsecured fuel control unit resulted in the loss of engine power during the initial climb.NTSB SEA98LA106Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Oakdale, WAA fatigue failure of the number three cylinder exhaust rocker box assembly, compromising the ability of the exhaust valve to operate. Factors include a ditch at the end of the runway.NTSB FTW98LA275Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Hazen, ARThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the pilot to execute the forced landing.NTSB FTW98LA252Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Coy, ARfailure of the left main tire, which resulted in the pilot's inability to maintain directional control of the airplane during the landing roll.NTSB LAX97LA212Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Rio Linda, CAthe pilot's inadequate preflight planning/preparation by failing to ensure that sufficient airspeed would be obtained and/or maintained to remain clear of obstacles at the departure end of the runway. The obstacles (power lines & poles) were a related factor.NTSB LAX97LA121Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Winters, CAthe failure of the engine cylinder head assembly due to operational fatigue.NTSB FTW96LA388Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Ferriday, LAThe partial loss of engine power due to a cracked cylinder head. Factors were the oil leak which restricted the pilot's visual lookout and the lack of suitable terrain for the forced landing.NTSB SEA96LA200Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Waitsburg, WAthe pilot's inadequate compensation for wind conditions and failure to maintain control of the airplane after encountering a whirlwind during the landing.NTSB LAX96LA214Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Corning, CAthe pilot misjudged the airplane's clearance from wires he was flying beneath. A contributing factor was the presence of light turbulence.NTSB SEA96LA068Accident · 1 fatalLimited investigationFinal reportSchweizer G-164B · Point Of Rocks, WYthe pilot's inadvertent VFR flight into instrument meteorological conditions (IMC), and his failure to maintain aircraft control due to spatial disorientation. Factors relating to the accident were: the low ceiling and snow.NTSB MIA95LA192Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Quitman, MSImproper (low) outflow from the fuel control unit, due to improper maintenance, which resulted in a loss of engine power and a forced landing.NTSB MIA95LA182Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Goodman, MSThe pilot's failure to maintain flying airspeed which resulted in an aerodynamic stall.NTSB FTW95LA233Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Collegeport, TXThe pilot's improper planning/decision by attempting to takeoff in an overweight condition from an 1,800 foot runway. Factors were the wet and soft condition of the runway.NTSB CHI95LA080Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Brule, NELoss of engine power due to undetermined reasons.NTSB MIA95LA008Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Immokalee, FLFailure of the pilot to refuel resulting in loss of engine power due to fuel exhaustion.NTSB LAX94LA299Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Live Oak, CAthe improper adjustment of the fuel control unit by contract maintenance personnel.NTSB LAX94LA294Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Ligurta, AZThe pilot's failure to assure the suitability of the landing area prior to the flight. The dark night and the badger hole were factors in the accident.NTSB LAX94LA255Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Dateland, AZThe pilot's inadequate preflight planning and his failure to maintain an adequate visual lookout for obstacles. Night lighting conditions and the dust were factors in the accident.NTSB SEA94LA117Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Yuba City, CAAn inadvertent stall/mush after takeoff. The over-weight loading of the aircraft was a factor.NTSB LAX94LA213Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Gridley, CAa loss of engine power due to a cracked engine cylinder head.NTSB FTW94LA122Accident · No injuriesLimited investigationFinal reportSchweizer G-164 · Mount Bellvue, TXThe pilot's failure to maintain directional control. Factors were the soft runway and gusty winds.NTSB LAX94LA133Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Clarksburg, CAThe total failure of the no. 1 cylinder due to fatigue resulting from an improperly adjusted mixture causing detonation. The soft, wet plowed field was a factor in this accident.NTSB LAX94LA019Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Arvin, CAthe loss of power for undetermined reasons.NTSB MIA93LA176Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Immokalee, FLThe pilot-in-command's failure to maintain airspeed (vs) while maneuvering resulting in a stall/mush.NTSB CHI93LA232Accident · No injuriesLimited investigationFinal reportSchweizer G-164 · Northwood, NDThe pilot in command's failure to attain a proper touchdown point.NTSB SEA93LA078Accident · No injuriesLimited investigationFinal reportSchweizer G-164B-600 · Quincy, WAUnsuitable terrain encountered during a forced landing after an engine cylinder assembly had separated. Factors include a snowbank.NTSB FTW92DPG11Accident · No injuriesFinal reportGrumman G-164B · Fouke, ARThe pilot's selection of unsuitable terrain for takeoff. Factors were the trees and the soft field.NTSB SEA92LA124Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164B · Klamath Falls, ORThe pilot's poor inflight planning/decision. Factors to the accident were: clearance was not maintained and inadequate remedial action.NTSB CHI92DCJ03Accident · No injuriesFinal reportSchweizer G-164B · Scotia, NEThe pilot's failure to maintain aircraft control which resulted in a nose over during the precautionary landing. Related factors are the power lines (obstructions) and inadequate altitude.NTSB FTW92LA119Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Brinkley, ARThe pilot's failure to achieve proper airstrip alignment for landing, and the resultant loss of directional control.NTSB LAX92LA126Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Dixon, CAThe pilot's premature lift-off. Contributing to the accident was the inadvertent stall/mush and the soft dirt airstrip.NTSB LAX91LA362Accident · No injuriesLimited investigationFinal reportSchweizer G164B · Verona, CAThe pilot's improper planning/decision to depart from a runway with high vegetation along the edge and subsequent collision with terrain.NTSB MIA91LA169Accident · No injuriesLimited investigationFinal reportGrumman G164B · Immokalee, FLLoss of enine power due to undetermined reasons. Contributing to the accident was unsuitable terrain encounteered during the forced landing.NTSB ATL90LA181Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Minturn, SCA previously fractured main wheel which had resulted from a hard landing. A factor in the accident was inadequate inspection by the operator.NTSB CHI90DEE07Accident · Minor injuriesFinal reportSchweizer G-164B · Deer Grove, ILThe pilot's inadequate visual lookout, resulting in collision with a power line.NTSB MKC90LA076Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Newport, ARFailure of the pilot to maintain proper runway alignment, which resulted in an encounter with soft/wet (muddy) terrain and a subsequent nose over of the aircraft.NTSB LAX90DVG01Accident · No injuriesFinal reportSchweizer G-164B · Grimes, CAFailure of the counter weight bracket to the propeller assembly.NTSB FTW89DRG04Accident · No injuriesFinal reportSchweizer G-164B · Austwell, TXPilot's selection of an unsuitable landing area (terrain). High vegetation and rough terrain were contributing factors.NTSB LAX89DVG07Accident · No injuriesFinal reportSchweizer G-164B · Willows, CAFailure of the connecting rod on #1 cylinder of the aircraft powerplant.NTSB LAX89DVG06Accident · No injuriesFinal reportGrumman G-164B · Davis, CAThe pilot failed to properly use his brakes during the off airport landing.