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

23 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B, where the first occurrence was “Loss of control - in flight”. 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 per year

19822026
NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B per year, 1982–2026: 23 cases
19821
19832
19841
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19952
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Latest cases

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')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 250))
  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.

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.Jul 15, 2007 · N8449K · Substantial damageNTSB 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.Apr 28, 2006 · N48717 · DestroyedNTSB 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.Aug 16, 2005 · N6903K · Substantial damageNTSB CHI01LA273Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Hazelton, NDthe pilot's ostentatious display when he performed a low level manuever and stalled the airplane.Aug 11, 2001 · N48624 · DestroyedNTSB FTW00LA210Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Ville Platte, LAThe loss of control for an undetermined reason.Jul 15, 2000 · N428KG · DestroyedNTSB 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.May 8, 1999 · N6771K · DestroyedNTSB FTW99LA101Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jennings, LAThe pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.Mar 26, 1999 · N6758Q · Substantial damageNTSB FTW98LA194Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Oberlin, LAThe pilot's failure to maintain aircraft control. A factor was the gusty wind.Apr 25, 1998 · N63E · DestroyedNTSB 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.Aug 9, 1996 · N6966K · DestroyedNTSB FTW96LA231Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe pilot's failure to maintain control of the airplane.May 31, 1996 · N188TB · Substantial damageNTSB 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.Aug 13, 1995 · N48611 · Substantial damageNTSB CHI95LA217Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Kenmare, NDthe pilot's not obtaining/maintaining proper climb rate.Jul 11, 1995 · N6623Q · DestroyedNTSB FTW95FA047Accident · 1 fatalField investigationFinal reportGrumman-Schweizer G-164B · Wisner, LAThe pilot's failure to maintain minimum required airspeed for flight. A factor was the pilot's lack of total experience in the type of aircraft.Nov 16, 1994 · N48398 · Substantial damageNTSB FTW94LA270Accident · 1 fatalLimited investigationFinal reportGrumman G-164B · Shreveport, LAThe pilot's incapacitation due to a heart attack.Aug 12, 1994 · N48664 · DestroyedNTSB LAX94LA155Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Chico, CAthe failure of the pilot to obtain/maintain sufficient flying speed during a downwind takeoff and climb, compounded by his reluctance to use full available takeoff power.Mar 4, 1994 · N6528K · Substantial damageNTSB LAX90DVG08Accident · No injuriesFinal reportSchweizer G-164-B · Richvale, CAThe pilot in command's failure to maintain a positive rate of climb during takeoff resulting in the aircraft descending into terrain.May 6, 1990 · N6689K · Substantial damageNTSB DEN89LA160Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Holden, UTThe pilot's misjudgement of the effect of high density altitude on a heavily loaded aircraft.Jul 8, 1989 · N6754Q · Substantial damageNTSB MKC87LA095Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Brinkley, ARThe acft had 100 gallons of water onboard for the ag training flt. The plt has completed one spray pass and was half way through the turnaround when the acft stalled. It collided with the ground and flipped forward to the inverted position. The plt listed 80…Apr 30, 1987 · N2000A · DestroyedNTSB CHI85LA265Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Thief River Fl, MNThe acft collided with the ground shortly after takeoff about 800 ft from the end of the rwy. The plt stated that at about 5 pt afl the acft stalled and fell into a field off the end of the rwy.Jul 3, 1985 · N8400K · DestroyedNTSB MKC84LA148Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Humnoke, ARPlt stated he noticed a vibration in the acft on two flts prior to the accident flt. Plt felt forward pressure on the stick so he attempted to trim the acft. The acft nosed forward colliding with the terrain. Inspection disclosed no preimpact…May 27, 1984 · N6729K · DestroyedNTSB LAX84LA084Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Madera, CAAt about 75 ft AGL in a procedure turnaround the acft stalled & collided with orange trees.Nov 30, 1983 · N31184 · Substantial damageNTSB FTW83LA267Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Kinder, LAThe acft collided with a tree and a levee during takeoff. The plt said the wind had shifted before or during takeoff andthe acft at rotation felt as if it stalled. The acft failed to clear a small tree and then was forced into a levee. The acft nosed over…Jun 4, 1983 · N6642K · Substantial damageNTSB MKC82DA116Accident · No injuriesFinal reportGrumman G164A · Ericson, NEThe aircraft was flown from the loading area to the field intended for treatment. Upon arrival, the pilot reduced power and entered an observation fly-by. When the aircraft started to settle the pilot's application of power failed to arrest the descent. The…Jul 4, 1982 · N48534 · Substantial damage