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NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164C

21 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164C. 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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Cases per year

19792026

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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.aircraft_model_code IN ('3952803')) 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.aircraft_model_code IN ('3952803'))
  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 ('3952803'))
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 WPR21LA200Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164C · Glenn, CAThe pilot’s fuel mismanagement, which resulted in fuel exhaustion, a total loss of engine power, and an off-airport hard landing.May 12, 2021 · N6596K · Substantial damage NTSB WPR19FA145Accident · 2 fatalClass 3 · FieldFinal reportGrumman G164 · Pleasant Grove, CAThe failure of both pilots to see and avoid the other airplane, which resulted in a midair collision.May 15, 2019 · N6787K · 2 aircraft · Substantial damage NTSB WPR18LA128Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G 164C · Maxwell, CAA total loss of engine power due to an uncommanded closing of the fuel shutoff valve, which terminated fuel to the engine. The reason for the fuel shutoff valve’s closure could not be determined based on the available information.Apr 29, 2018 · N6674K · Substantial damage NTSB GAA17CA305Accident · Serious injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Maxwell, CAThe pilot's failure to visually check the fuel quantity during the preflight inspection and ensure that sufficient fuel was onboard for the flight, which resulted in a total loss of engine power due to fuel exhaustion.May 26, 2017 · N6674K · Substantial damage NTSB CEN17LA177Accident · No injuriesLimited investigationFinal reportGrumman G-164C · Beech Grove, ARA tire failure for reasons that could not be determined, which resulted in a loss of directional control during takeoff.May 8, 2017 · N171BW · Destroyed NTSB DEN08CA089Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164C · De Witt, ARThe pilot's improper decision to attempt to close the canopy in flight, and his diverted attention resulting in the airplane impacting the terrain. Contributing to the accident was the excessively worn canopy latch.May 5, 2008 · N6671K · Substantial damage NTSB DFW05CA177Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164C · Gillett, ARThe loss of engine power resulting from a disconnected discharge pressure line at the fuel control unit. A contributing factor was the lack of suitable terrain for the forced landing.Jul 1, 2005 · N6626K · Substantial damage NTSB LAX05LA165Accident · No injuriesLimited investigationFinal reportGrumman G-164C · Willows, CAthe loss of engine power due to the fractured piston pin boss on the number 5 cylinder.May 8, 2005 · N6535K · Substantial damage NTSB FTW04CA184Accident · No injuriesData collectionFinal reportGrumman G-164C · Tiller, ARThe pilot's inability to maintain control of the airplane while landing due to a brake system failure.Jul 16, 2004 · N6555K · Substantial damage NTSB LAX02LA143Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164C · Olivehurst, CAFuel starvation due to the failure of an engine accessory component. A contributing factor was the rough terrain.Apr 25, 2002 · N6702K · Substantial damage NTSB LAX99LA040Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164C · Oroville, CAThe pilot's decision to attempt readjustment of the rudder pedal in-flight.Nov 25, 1998 · N6596K · Substantial damage NTSB LAX92LA219Accident · No injuriesLimited investigationFinal reportGrumman G-164C · Butte City, CAThe pilot's failure to follow normal procedures by selecting the wrong runway. Contributing to this accident was the pilot's premature lift off and the existing tailwind.May 26, 1992 · N6596K · Substantial damage NTSB DEN85LA177Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Platte, SDWhile the plt was spraying a field, the landing gear of the acft struck the center pivot of an irrigation structure. Later, when the acft was landed, the gear collapsed.Jul 1, 1985 · N6674K · Substantial damage NTSB FTW83LA382Accident · No injuriesLimited investigationFinal reportGrumman G-164C · Newport, ARThe acft caught fire during takeoff roll and continued to burn after the aborted takeoff. Prior to this flt the operatorhad experienced difficulty with the carburator on this engine. On this flt the acft was being ferried for carburetor maintenance. During…Aug 16, 1983 · N6677K · Destroyed NTSB LAX83LA249Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164C · Live Oak, CAThe plt was on a flight to seed a rice field with 2 sets of power lines located near its west edge. The plt had seeded the field many times before, & reportedly, was familiar with the area. During the 1st swath run, which was from east to west, the acft…May 26, 1983 · N6627K · Destroyed NTSB ATL82DA252Accident · No injuriesFinal reportGrumman G-164C · Gunnison, MSThe pilot reported that he smelled something hot while spraying. He checked the instruments and noted that the oil temperature gauge was indicating off the high side of the scale. He started to make a precautionary landing but the engine seized during final…Aug 27, 1982 · N6787K · Substantial damage NTSB DEN81DTK21Accident · No injuriesClosedGrumman G-164C · Platte, SDAug 14, 1981 · N6674K · Substantial damage NTSB ATL80FLJ22Accident · No injuriesClosedGrumman G-164C · Grantham, NCAug 18, 1980 · N6770K · Substantial damage NTSB LAX80FVG46Accident · Serious injuriesClosedGrumman G-164C · Richvale, CAJun 7, 1980 · N164GC · Substantial damage NTSB MKC80DCQ11Accident · No injuriesClosedGrumman G-164C · Strauss, KSApr 7, 1980 · N6770K · Substantial damage NTSB FTW79DPG14Accident · No injuriesClosedGrumman G-164C · Hughes, ARJan 8, 1979 · N6555K · Substantial damage