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

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 FTW98LA218](https://openairdocs.org/ntsb/FTW98LA218.md): Grumman-Schweizer G-164B · Dumas, AR · Accident · No injuries · Limited investigation · Final report · May 16, 1998 · N6656K · Substantial damage
  > The pilot's improper activation of the parking brake.
- [NTSB LAX94LA205](https://openairdocs.org/ntsb/LAX94LA205.md): Grumman G-164B · Robbins, CA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1994 · N6774K · Substantial damage
  > The pilot's improper use of the brakes.
- [NTSB CHI93LA263](https://openairdocs.org/ntsb/CHI93LA263.md): Grumman G164B · Wyndmere, ND · Accident · No injuries · Limited investigation · Final report · Jul 16, 1993 · N2008 · Substantial damage
  > the pilot's decision to land on unsuitable terrain. Factors in the accident are the wet and soft turf runway.
- [NTSB FTW92LA090](https://openairdocs.org/ntsb/FTW92LA090.md): Grumman G-164B · Roanoke, LA · Accident · No injuries · Limited investigation · Final report · Mar 16, 1992 · N8363K · Substantial damage
  > The locking of the main landing gear brakes.
- [NTSB LAX91LA299](https://openairdocs.org/ntsb/LAX91LA299.md): Grumman G-164B · Crows Landing, CA · Accident · No injuries · Limited investigation · Final report · Jul 9, 1991 · N6628Q · Destroyed
  > The pilot Landing his airplane erroneously on the wrong Landing surface. Factors in this accident were: sunglare and its interference with the pilot's vision and the soft terrain.
- [NTSB MKC89LA070](https://openairdocs.org/ntsb/MKC89LA070.md): Grumman G-164B · Griffithville, AR · Accident · No injuries · Limited investigation · Final report · Mar 2, 1989 · N6610Q · Substantial damage
  > The failure of the pilot to assure suitable terrain was being used for the landing.
- [NTSB ATL84LA171](https://openairdocs.org/ntsb/ATL84LA171.md): Grumman G-164B · Rosedale, MS · Accident · No injuries · Limited investigation · Final report · May 9, 1984 · N6793K · Substantial damage
  > The plt was transporting the acft to a newly constructed, private ag strip to begin aerial application. During the landing roll, one of the main landing gear rolled into a soft spot & sank into the ground, then the acft nosed over.
- [NTSB CHI84LA149](https://openairdocs.org/ntsb/CHI84LA149.md): Grumman G-164B · Leesburg, OH · Accident · No injuries · Limited investigation · Final report · Apr 8, 1984 · N48546 · Substantial damage
  > The plt decided to land in a hay field to talk to the farmer about the aerial seeding operation he was conducting. During the landing the plt said the acft hit a soft spot in the field and nosed over.
- [NTSB SEA83LA206](https://openairdocs.org/ntsb/SEA83LA206.md): Grumman G-164B · Selah, WA · Accident · No injuries · Limited investigation · Final report · Sep 28, 1983 · N6674Q · Substantial damage
  > While landing on a road, during an aerial application operation, the acft nosed over. According to the plt, the brakes had not released after he had released the toe brakes. He reported that he found the parking brake midway between the on & off positions.
- [NTSB ATL82DA230](https://openairdocs.org/ntsb/ATL82DA230.md): Grumman G164B · Opp, AL · Accident · No injuries · Final report · Aug 6, 1982 · N6637Q · Substantial damage
  > The pilot reported that while he was spraying, vibrations occurred in the left flying wires. He had experienced the vibrations before, but this time, they seemed worse, he elected to land in a nearby pasture to examine the aircraft. During the landing…

## 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" = 300))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952802&occurrence=300

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