# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A: Loss of control - in flight NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB FTW02LA221](https://openairdocs.org/ntsb/FTW02LA221.md): Grumman G-164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 2002 · N48523 · Substantial damage > The pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin of the airplane. - [NTSB MIA00LA245](https://openairdocs.org/ntsb/MIA00LA245.md): Schweizer G-164A · Berlin, GA · Accident · No injuries · Limited investigation · Final report · Aug 23, 2000 · N8919H · Substantial damage > the pilot's failure to maintain adequate airspeed resulting in an inadvertent stall and collision with terrain. - [NTSB DEN99LA169](https://openairdocs.org/ntsb/DEN99LA169.md): Schweizer G-164A · Animas, NM · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1999 · N8731H · Substantial damage > A inadvertent stall during initial climb following takeoff. Factor were: high gross weight, high density altitude, inadequate preflight planning and preparation, and soft terrain. - [NTSB LAX99LA180](https://openairdocs.org/ntsb/LAX99LA180.md): Grumman G-164A · Maxwell, CA · Accident · No injuries · Limited investigation · Final report · May 7, 1999 · N8875H · Destroyed > Failure of the pilot to attain and maintain the proper reference climb airspeed during the rotation and initial climb, which resulted in a stall/mush condition. - [NTSB FTW97LA136](https://openairdocs.org/ntsb/FTW97LA136.md): Grumman G-164A · Swifton, AR · Accident · 1 fatal · Limited investigation · Final report · Mar 22, 1997 · N8922H · Destroyed > the pilot's improper in-flight planning/decision and failure to maintain positive control of the airplane, while performing an aerobatic maneuver. - [NTSB FTW95LA263](https://openairdocs.org/ntsb/FTW95LA263.md): Grumman G-164A · Cheneyville, LA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1995 · N8685H · Substantial damage > The pilot's failure to maintain adequate airspeed at a low altitude. - [NTSB FTW95LA197](https://openairdocs.org/ntsb/FTW95LA197.md): Grumman G-164A · Abbeville, LA · Accident · No injuries · Limited investigation · Final report · May 12, 1995 · N8509H · Substantial damage > The inadvertent stall. - [NTSB FTW94LA211](https://openairdocs.org/ntsb/FTW94LA211.md): Grumman-Schweizer G-164A · Dumas, AR · Accident · No injuries · Limited investigation · Final report · Jun 25, 1994 · N4222P · Destroyed > The pilot's failure to establish the proper airspeed before beginning a turn after takeoff. - [NTSB CHI92DTG03](https://openairdocs.org/ntsb/CHI92DTG03.md): Grumman G-164A · Orr, ND · Accident · No injuries · Final report · Jun 24, 1992 · N9935 · Substantial damage > A stall encountered during the spray run reversal turn. Factors related to the accident are the attempted downwind turn, and insufficient altitude for recovery. - [NTSB NYC92LA102](https://openairdocs.org/ntsb/NYC92LA102.md): Grumman 164A · Bridgeton, NJ · Accident · No injuries · Limited investigation · Final report · Jun 8, 1992 · N48399 · Substantial damage > The pilot's improper application of takeoff power which resulted in a lengthened takeoff roll, and his subsequent steep turn to avoid an obstacle causing the airplane to stall at a low altitude. - [NTSB MKC88LA104](https://openairdocs.org/ntsb/MKC88LA104.md): Grumman G-164A · Hickory Ridge, AR · Accident · No injuries · Limited investigation · Final report · May 31, 1988 · N9653 · Destroyed > While executing a standard procedure aerial application turn around maneuver, the acft began to settle. The plt dumped his remaining chemical load, but acft continued to settle, and mushed into the trees. Post accident fire destroyed the acft, but the plt… - [NTSB DEN88DTE04](https://openairdocs.org/ntsb/DEN88DTE04.md): Grumman G-164A · Vona, CO · Accident · No injuries · Final report · May 7, 1988 · N8518H · Substantial damage > The pilot said the wind was calm when he got in the aircraft before takeoff. He said that when the aircraft reached about 50 feet AGL, after takeoff, he encountered a tailwind. The aircraft settled and collided with the ground. The ground was soft and the… - [NTSB MIA87FA022](https://openairdocs.org/ntsb/MIA87FA022.md): Grumman G-164A · Orlando, FL · Accident · 1 fatal · Field investigation · Final report · Nov 5, 1986 · N711WW · Destroyed > While the plt was making a banner pick-up, witnesses saw the acft engage the banner & enter a climb. The plt released the banner, then the acft mushed into a partially built hangar, crashed & burned. The plt, who was on fire, exited the rgt canopy hatch.… - [NTSB MKC86LA122](https://openairdocs.org/ntsb/MKC86LA122.md): Grumman G-164A · Bayard, NE · Accident · No injuries · Limited investigation · Final report · Aug 29, 1986 · N7364 · Substantial damage > The plt stated he encountered downdrafts near trees he was going to overfly while in a turnaround maneuver to spray crops. Instead of flying over the trees, the plt stated that the acft descended into the ground near the trees while in the turn. Wind… - [NTSB ATL85LA269](https://openairdocs.org/ntsb/ATL85LA269.md): Grumman G-164A · Tunica, MS · Accident · No injuries · Limited investigation · Final report · Sep 6, 1985 · N9893 · Substantial damage > The plt stated that during aerial application maneuver he allowed the airspeed to get too low and the acft settled into a soy bean field. The left wing contacted the crop and the acft cartwheeled. - [NTSB FTW85LA271](https://openairdocs.org/ntsb/FTW85LA271.md): Grumman G-164A · Tallulah, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1985 · N8375 · Destroyed > During initial climb after takeoff, the ag plt realized that he could not clear wires at the end of the rwy. The plt dumped his load of fertilizer and attempted to maneuver around the wires, however during the maneuver, the acft stalled. Investigation… - [NTSB MKC84LA226](https://openairdocs.org/ntsb/MKC84LA226.md): Grumman G-164A · Steele, MO · Accident · No injuries · Limited investigation · Final report · Jul 20, 1984 · N48583 · Substantial damage > The pilot stated that after takeoff, at an altitude of 50 ft AGL he reduced the engine power. Shortly thereafter, the acft stalled and touched down on the rwy. He stated he applied excessive brake pressure to stop the acft and it nosed over on the rwy. - [NTSB FTW84LA194](https://openairdocs.org/ntsb/FTW84LA194.md): Grumman G-164A · Beaumont, TX · Accident · No injuries · Limited investigation · Final report · Apr 11, 1984 · N9978 · Destroyed > The acft stalled during a turn around between swath runs. The pilot stated that he was unable to recover because there was not sufficient alt. - [NTSB FTW84LA145](https://openairdocs.org/ntsb/FTW84LA145.md): Grumman G-164A · Abbeville, LA · Accident · 1 fatal · Limited investigation · Final report · Feb 22, 1984 · N9728 · Destroyed > The plt was employed as a professional corporate & charter plt; however, he had not flown agricultural acft in several years. He had receently purchased half interest in the air sevice & was on his 1st refresher flt since then. While the plt was practicing a… - [NTSB FTW83LA235](https://openairdocs.org/ntsb/FTW83LA235.md): Grumman G-164A · Stuttgart, AR · Accident · No injuries · Limited investigation · Final report · May 13, 1983 · N7497 · Substantial damage > After loading the acft with 50 gal of water, the plt took off to conduct aerial applicaiton maneuvers & to calibrate the acft's spray boom. At the end of the 1st swath run on a westerly heading, he pulled up over a power line, turned 90 deg right, reversed… - [NTSB MIA83LA135](https://openairdocs.org/ntsb/MIA83LA135.md): Grumman G-164A · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · May 2, 1983 · N8573H · Substantial damage > The plt had just washed the acft & went for a short local flt to dry it. He made a low pass at the arpt & the acft stalled during the pull-up. - [NTSB FTW82DA179](https://openairdocs.org/ntsb/FTW82DA179.md): Grumman G-164A · Farmington, NM · Accident · Minor injuries · Final report · May 15, 1982 · N6602Q · Destroyed > On takeoff for an aerial application flight at maximum gross weight the aircraft began to settle. The aircraft impacted the ground in a slightly nose-down attitude. Investigation revealed the accident site elevation was 5300 feet MSL and the takeoff was made… ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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 ('3952801') 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 ``` This list as a web page: https://openairdocs.org/ntsb?model=3952801&occurrence=250 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.