# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B: Loss of control - on ground/water

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 SEA05CA157](https://openairdocs.org/ntsb/SEA05CA157.md): Grumman G-164B · Paul, ID · Accident · No injuries · Data collection · Final report · Aug 3, 2005 · N8386K · Substantial damage
  > The failure of the pilot to maintain direction control during the landing roll, which resulted in a nose over. Contributing factors included the weeds and the wet, soft terrain..
- [NTSB FTW02LA132](https://openairdocs.org/ntsb/FTW02LA132.md): Grumman-Schweizer G-164B · Gillett, AR · Accident · No injuries · Limited investigation · Final report · Apr 29, 2002 · N6718K · Substantial damage
  > the pilot's failure to maintain directional control on landing. A contributing factor was the high vegetation.
- [NTSB LAX02LA125](https://openairdocs.org/ntsb/LAX02LA125.md): Schweizer G-164B · Dixon, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2002 · N48631 · Substantial damage
  > The pilot lost directional control due to the unsuitable landing area. A contributing factor was the muddy runway condition.
- [NTSB MIA01LA105](https://openairdocs.org/ntsb/MIA01LA105.md): Grumman G-164B · Dyer, TN · Accident · No injuries · Limited investigation · Final report · Mar 27, 2001 · N6552K · Substantial damage
  > The improper installation of the main landing gear tire (pinched tube) by company maintenance personnel resulting in a total loss of air pressure in-flight, loss of directional control on landing roll, and subsequent nose down.
- [NTSB FTW00LA167](https://openairdocs.org/ntsb/FTW00LA167.md): Grumman-Schweizer G164B · Natchitoches, LA · Accident · No injuries · Limited investigation · Final report · Jun 1, 2000 · N48723 · Destroyed
  > The failure of the pilot to maintain directional control during the landing roll, which resulted in a ground loop. A factor was the crosswind.
- [NTSB MIA00LA168](https://openairdocs.org/ntsb/MIA00LA168.md): Grumman G-164B · Monticello, MS · Accident · No injuries · Limited investigation · Final report · May 22, 2000 · N6744K · Substantial damage
  > The failure of the pilot to maintain directional control during takeoff into crosswind conditions resulting in the collision with trees. A factor in the accident was the pilot's lack of familiarity with the aircraft.
- [NTSB SEA95LA188](https://openairdocs.org/ntsb/SEA95LA188.md): Grumman G-164B · Ephrata, WA · Accident · No injuries · Limited investigation · Final report · Jul 28, 1995 · N6774Q · Substantial damage
  > The pilot's inadequate compensation for wind conditions. Factors contributing to the accident were crosswinds and gusts.
- [NTSB SEA94LA193](https://openairdocs.org/ntsb/SEA94LA193.md): Grumman G-164B · Wilder, ID · Accident · No injuries · Limited investigation · Final report · Jul 19, 1994 · N48571 · Substantial damage
  > The failure of the left brake master cylinder and the pilot's inadequate remedial action when the aircraft collided with an embankment during an intentional ground loop.
- [NTSB FTW94LA178](https://openairdocs.org/ntsb/FTW94LA178.md): Schweizer G-164B · Antonito, CO · Accident · No injuries · Limited investigation · Final report · May 24, 1994 · N6695K · Substantial damage
  > The pilot's improper compensation for wind conditions. A factor was the gusty crosswind and the pilot inadvertently becoming lost.
- [NTSB CHI93LA254](https://openairdocs.org/ntsb/CHI93LA254.md): Grumman G164B · Eldred, MN · Accident · No injuries · Limited investigation · Final report · Jul 13, 1993 · N48518 · Substantial damage
  > the pilot's failure to maintain directional control during the takeoff roll.
- [NTSB FTW93LA174](https://openairdocs.org/ntsb/FTW93LA174.md): Grumman G-164B · Stuttgart, AR · Accident · No injuries · Limited investigation · Final report · Jun 2, 1993 · N6695K · Substantial damage
  > The pilot's selection of the downwind runway for landing. Factors were the wind conditions and the left brake malfunction for undetermined reasons
- [NTSB LAX93LA226](https://openairdocs.org/ntsb/LAX93LA226.md): Grumman G-164B · Madera, CA · Accident · No injuries · Limited investigation · Final report · May 26, 1993 · N48632 · Destroyed
  > The pilot's failure to maintain directional control. A factor related to this accident was the left quartering tailwind.
- [NTSB LAX92LA215](https://openairdocs.org/ntsb/LAX92LA215.md): Schweizer G-164B · Live Oak, CA · Accident · No injuries · Limited investigation · Final report · May 24, 1992 · N8412K · Substantial damage
  > The pilot's failure to maintain directional control and improper use of the brakes.
- [NTSB CHI91DCA03](https://openairdocs.org/ntsb/CHI91DCA03.md): Schweizer G164B · Gideon, MO · Accident · No injuries · Final report · Sep 10, 1991 · N8357K · Destroyed
  > A binding landing gear brake. A factor related to the accident was the pilot's subsequent inability to maintain directional control.
- [NTSB MKC88LA158](https://openairdocs.org/ntsb/MKC88LA158.md): Grumman G-164B · Humphrey, AR · Accident · No injuries · Limited investigation · Final report · Aug 16, 1988 · N8405K · Substantial damage
  > While attempting to land on a narrow dirt road bordered by crops, the plt said he contacted the high vegetation on the right side. The acft began to veer to the right. The plt attempted to steer to the left and veered off the roadway into a ditch and nosed…
- [NTSB MKC87LA168](https://openairdocs.org/ntsb/MKC87LA168.md): Grumman G-164B · Holly Grove, AR · Accident · No injuries · Limited investigation · Final report · Aug 26, 1987 · N8365K · Substantial damage
  > The pilot lost control on takeoff roll, ran off the side of the runway and impacted a dirt bank. The aircraft came to rest in an inverted position. Investigation revealed no preimpact mechanical malfunctions/failures.
- [NTSB SEA87LA067](https://openairdocs.org/ntsb/SEA87LA067.md): Grumman G164B · Reubens, ID · Accident · No injuries · Limited investigation · Final report · Mar 20, 1987 · N6798Q · Substantial damage
  > During takeoff run the aircraft veered to the right of the runway, struck a ditch, and then nosed over inverted. The pilot found that the right dowel pin on the right main gear had broken. The reason for the failure could not be determined.
- [NTSB FTW86LRD15](https://openairdocs.org/ntsb/FTW86LRD15.md): Grumman G-164B · Church Point, LA · Accident · No injuries · Final report · Jun 24, 1986 · N48585 · Substantial damage
  > The acfts left wingtip caught in weeds during takeoff and the acft was pulled left. The plt had turned to avoid a wet spot on the airstrip and contacted the high weeds then swerved into a rice levee.
- [NTSB FTW86LA113](https://openairdocs.org/ntsb/FTW86LA113.md): Grumman G-164 · Palacios, TX · Accident · No injuries · Limited investigation · Final report · Jun 19, 1986 · N48398 · Substantial damage
  > During the ground run portion of the takeoff, the acft contacted a mud hole which resulted in it veering off the grass and into bushes alongside the strip. The plt did not select suitable terrain for the takeoff.
- [NTSB LAX83LA407](https://openairdocs.org/ntsb/LAX83LA407.md): Grumman G-164B · Poston, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 1983 · N6757Q · Substantial damage
  > During takeoff from the unlighted strip the acft went off the right side. The right main landing gear went into the softsandy shoulder & the acft flipped over.
- [NTSB FTW83LA391](https://openairdocs.org/ntsb/FTW83LA391.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Limited investigation · Final report · Aug 20, 1983 · N48516 · Substantial damage
  > The acft ran into a ditch during takeoff and collapsed the landing gear. The plt said he was steering around some mud holes when the wing became entangled in high grass alongside the rwy. The acft groundlooped off the rwy into a ditch. The wings and landing…
- [NTSB SEA83LA063](https://openairdocs.org/ntsb/SEA83LA063.md): Grumman 164B · Toppenish, WA · Accident · No injuries · Limited investigation · Final report · Mar 16, 1983 · N6674Q · Substantial damage
  > The aircraft nosed over in a ditch during a landing on a gravel road after an aerial application flight. The pilot said that he lost directional control during landing rollout and one main gear went into a ditch. The aircraft then nosed over and came to rest…
- [NTSB FTW82DA287](https://openairdocs.org/ntsb/FTW82DA287.md): Grumman G-164B · Humnoke, AR · Accident · No injuries · Final report · Jul 20, 1982 · N6689K · Substantial damage
  > The pilot reported that during takeoff, the left main gear got off the side of the rough airstrip and into a rice field. Subsequently, the plane flipped over.

## 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" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952802&occurrence=260

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