# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B: 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 CHI07CA214](https://openairdocs.org/ntsb/CHI07CA214.md): Grumman G-164B · Sheldon, IL · Accident · Minor injuries · Data collection · Final report · Jul 15, 2007 · N8449K · Substantial damage
  > The 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 DFW06CA113](https://openairdocs.org/ntsb/DFW06CA113.md): Grumman-Schweizer G-164B · De Witt, AR · Accident · Minor injuries · Data collection · Final report · Apr 28, 2006 · N48717 · Destroyed
  > The pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds.
- [NTSB DFW05CA212](https://openairdocs.org/ntsb/DFW05CA212.md): Grumman G164B · Alexandria, LA · Accident · No injuries · Data collection · Final report · Aug 16, 2005 · N6903K · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude.
- [NTSB CHI01LA273](https://openairdocs.org/ntsb/CHI01LA273.md): Grumman G-164B · Hazelton, ND · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 2001 · N48624 · Destroyed
  > the pilot's ostentatious display when he performed a low level manuever and stalled the airplane.
- [NTSB FTW00LA210](https://openairdocs.org/ntsb/FTW00LA210.md): Grumman-Schweizer G-164B · Ville Platte, LA · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2000 · N428KG · Destroyed
  > The loss of control for an undetermined reason.
- [NTSB FTW99LA134](https://openairdocs.org/ntsb/FTW99LA134.md): Grumman-Schweizer G164-B · Garwood, TX · Accident · No injuries · Limited investigation · Final report · May 8, 1999 · N6771K · Destroyed
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A related factor was the high density altitude.
- [NTSB FTW99LA101](https://openairdocs.org/ntsb/FTW99LA101.md): Grumman G-164B · Jennings, LA · Accident · No injuries · Limited investigation · Final report · Mar 26, 1999 · N6758Q · Substantial damage
  > The pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.
- [NTSB FTW98LA194](https://openairdocs.org/ntsb/FTW98LA194.md): Grumman-Schweizer G-164B · Oberlin, LA · Accident · Serious injuries · Limited investigation · Final report · Apr 25, 1998 · N63E · Destroyed
  > The pilot's failure to maintain aircraft control. A factor was the gusty wind.
- [NTSB CHI96LA287](https://openairdocs.org/ntsb/CHI96LA287.md): Grumman-Schweizer G-164B · Wellfleet, NE · Accident · No injuries · Limited investigation · Final report · Aug 9, 1996 · N6966K · Destroyed
  > failure of the pilot to maintain aircraft control, while maneuvering at low latitude. The hilly (rolling) terrain and unfavorable wind were related factors.
- [NTSB FTW96LA231](https://openairdocs.org/ntsb/FTW96LA231.md): Grumman-Schweizer G-164B · Bunkie, LA · Accident · No injuries · Limited investigation · Final report · May 31, 1996 · N188TB · Substantial damage
  > The pilot's failure to maintain control of the airplane.
- [NTSB CHI95LA272](https://openairdocs.org/ntsb/CHI95LA272.md): Grumman G-164 · Wadena, MN · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 1995 · N48611 · Substantial damage
  > the pilot's inattentiveness during the reversal turn, the pilot not maintaining control of the airplane, and the stall/mush encountered by the pilot.
- [NTSB CHI95LA217](https://openairdocs.org/ntsb/CHI95LA217.md): Schweizer G-164B · Kenmare, ND · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 1995 · N6623Q · Destroyed
  > the pilot's not obtaining/maintaining proper climb rate.
- [NTSB FTW95FA047](https://openairdocs.org/ntsb/FTW95FA047.md): Grumman-Schweizer G-164B · Wisner, LA · Accident · 1 fatal · Field investigation · Final report · Nov 16, 1994 · N48398 · Substantial damage
  > The 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.
- [NTSB FTW94LA270](https://openairdocs.org/ntsb/FTW94LA270.md): Grumman G-164B · Shreveport, LA · Accident · 1 fatal · Limited investigation · Final report · Aug 12, 1994 · N48664 · Destroyed
  > The pilot's incapacitation due to a heart attack.
- [NTSB LAX94LA155](https://openairdocs.org/ntsb/LAX94LA155.md): Grumman G-164B · Chico, CA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1994 · N6528K · Substantial damage
  > the 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.
- [NTSB LAX90DVG08](https://openairdocs.org/ntsb/LAX90DVG08.md): Schweizer G-164-B · Richvale, CA · Accident · No injuries · Final report · May 6, 1990 · N6689K · Substantial damage
  > The pilot in command's failure to maintain a positive rate of climb during takeoff resulting in the aircraft descending into terrain.
- [NTSB DEN89LA160](https://openairdocs.org/ntsb/DEN89LA160.md): Grumman-Schweizer G-164B · Holden, UT · Accident · No injuries · Limited investigation · Final report · Jul 8, 1989 · N6754Q · Substantial damage
  > The pilot's misjudgement of the effect of high density altitude on a heavily loaded aircraft.
- [NTSB MKC87LA095](https://openairdocs.org/ntsb/MKC87LA095.md): Grumman G-164B · Brinkley, AR · Accident · No injuries · Limited investigation · Final report · Apr 30, 1987 · N2000A · Destroyed
  > The 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…
- [NTSB CHI85LA265](https://openairdocs.org/ntsb/CHI85LA265.md): Grumman-Schweizer G-164B · Thief River Fl, MN · Accident · No injuries · Limited investigation · Final report · Jul 3, 1985 · N8400K · Destroyed
  > The 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.
- [NTSB MKC84LA148](https://openairdocs.org/ntsb/MKC84LA148.md): Grumman G-164B · Humnoke, AR · Accident · Serious injuries · Limited investigation · Final report · May 27, 1984 · N6729K · Destroyed
  > Plt 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…
- [NTSB LAX84LA084](https://openairdocs.org/ntsb/LAX84LA084.md): Grumman G-164B · Madera, CA · Accident · No injuries · Limited investigation · Final report · Nov 30, 1983 · N31184 · Substantial damage
  > At about 75 ft AGL in a procedure turnaround the acft stalled & collided with orange trees.
- [NTSB FTW83LA267](https://openairdocs.org/ntsb/FTW83LA267.md): Grumman G-164B · Kinder, LA · Accident · No injuries · Limited investigation · Final report · Jun 4, 1983 · N6642K · Substantial damage
  > The 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…
- [NTSB MKC82DA116](https://openairdocs.org/ntsb/MKC82DA116.md): Grumman G164A · Ericson, NE · Accident · No injuries · Final report · Jul 4, 1982 · N48534 · Substantial damage
  > The 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…

## 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 ('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
```

This list as a web page: https://openairdocs.org/ntsb?model=3952802&occurrence=250

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