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

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 CEN13LA551](https://openairdocs.org/ntsb/CEN13LA551.md): Grumman Acft ENG Cor-Schweizer G 164B · Clemville, TX · Accident · No injuries · Limited investigation · Final report · Sep 4, 2013 · N8251K · Substantial damage
  > The uncommanded inflight application of parking brake due to a loose valve, which resulted in a noseover during landing.
- [NTSB FTW01LA119](https://openairdocs.org/ntsb/FTW01LA119.md): Grumman-Schweizer G-164B · Rosharon, TX · Accident · No injuries · Limited investigation · Final report · May 15, 2001 · N6778K · Substantial damage
  > the pilot's failure to maintain aircraft control while maneuvering. Factors were the weather conditions and the muddy terrain.
- [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 FTW95LA392](https://openairdocs.org/ntsb/FTW95LA392.md): Grumman G-164B · Springlake, TX · Accident · No injuries · Limited investigation · Final report · Jun 8, 1995 · N211JM · Substantial damage
  > The loss of engine power due to the uncontained failure of the third stage turbine wheel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW94LA266](https://openairdocs.org/ntsb/FTW94LA266.md): Grumman G-164B · Matagorda, TX · Accident · No injuries · Limited investigation · Final report · Aug 10, 1994 · N8251K · Destroyed
  > A power loss due to cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW90DPA01](https://openairdocs.org/ntsb/FTW90DPA01.md): Grumman G-164B · Bonham, TX · Accident · No injuries · Final report · Apr 4, 1990 · N48372 · Substantial damage
  > A power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW89DRA08](https://openairdocs.org/ntsb/FTW89DRA08.md): Grumman-Schweizer G-164B · Anahuac, TX · Accident · Minor injuries · Final report · Jul 18, 1989 · N6633Q · Destroyed
  > Failure of the supercharger bearing. The dirt bank was a contributing factor.
- [NTSB FTW89DRA06](https://openairdocs.org/ntsb/FTW89DRA06.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Final report · Jun 1, 1989 · N6822Q · Substantial damage
  > A bird strike which resulted in foreign object damage to the engine compressor. A berm and the lack of suitable terrain for a forced landing were contributing factors.
- [NTSB FTW88DRA14](https://openairdocs.org/ntsb/FTW88DRA14.md): Grumman G-164B · College Port, TX · Accident · No injuries · Final report · Jun 6, 1988 · N6615Q · Substantial damage
  > Acft was substantially damaged when it executed an off-arpt landing following takeoff FR0M a wet sod strip on an ag flt. The plt stated that he was taking off to the north and that during the t/o roll the wind shifted to out of the south. He further stated…
- [NTSB FTW88DRA07](https://openairdocs.org/ntsb/FTW88DRA07.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Final report · Apr 11, 1988 · N6620K · Destroyed
  > Acft experienced an eng failure shortly after t/o from a pvt strip. Acft had been recently refueled at the strip. On touchdown, the acft flipped over and slid to a stop. Investigation revealed water in the acft fuel tank and in the fuel supply tank.
- [NTSB FTW87DRA06](https://openairdocs.org/ntsb/FTW87DRA06.md): Grumman G-164B · Beaumont, TX · Accident · No injuries · Final report · Jul 11, 1987 · N6881K · Substantial damage
  > Drg the initial climb after takeoff, the eng began losing RPM & the plt was unable to return to the arpt. He selected a pasture area for an emerg landing, but the eng contd losing power. While landing on soft terrain with tall wet grass, the acft nosed over.…
- [NTSB FTW87DRA03](https://openairdocs.org/ntsb/FTW87DRA03.md): Grumman G-164B · Egypt, TX · Accident · No injuries · Final report · Jun 8, 1987 · N6667Q · Substantial damage
  > Acft experienced a power loss drng an aerial app maneuver. During the ensuing emerg lndg, the left wing struck high weeds on the shoulder of a road, veered left into a ditch, and flipped over. Investigation revealed no. 7 cylinder had a pre-existing crack in…
- [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 FTW83LA405](https://openairdocs.org/ntsb/FTW83LA405.md): Grumman G-164B · East Bernard, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 31, 1983 · N48687 · Substantial damage
  > During takeoff, the eng had a partial loss of power after the acft lifted off. The plt reported that he dumped his load of defoliant, but the acft would not climb. Subsequently, it settled & collided with brush & trees. The plt attributed the power loss to a…
- [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 FTW82DRA22](https://openairdocs.org/ntsb/FTW82DRA22.md): Grumman G-164 · Hardin, TX · Accident · Serious injuries · Final report · Jun 25, 1982 · N8354K · Substantial damage
  > The pilot reported that he struck power lines while flying under them during a swath run. Also, he indicated that a thunderstorm was rapidly approaching the field at the time the accident occurred.
- [NTSB FTW81FQG40](https://openairdocs.org/ntsb/FTW81FQG40.md): Grumman G-164B · Springlake, TX · Accident · No injuries · Closed · Jul 7, 1981 · N6614Q · Substantial damage
- [NTSB FTW81DA093](https://openairdocs.org/ntsb/FTW81DA093.md): Grumman G-164B · Danbury, TX · Accident · 2 fatal · Closed · May 19, 1981 · N6821K · Destroyed
- [NTSB FTW81FRA22](https://openairdocs.org/ntsb/FTW81FRA22.md): Grumman G-164B · Lissie, TX · Accident · Serious injuries · Closed · Mar 21, 1981 · N48609 · 2 aircraft · Destroyed
- [NTSB FTW80DRA34](https://openairdocs.org/ntsb/FTW80DRA34.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Closed · Jun 5, 1980 · N48711 · Destroyed
- [NTSB FTW80FRA30](https://openairdocs.org/ntsb/FTW80FRA30.md): Grumman G-164B · Lissie, TX · Accident · Minor injuries · Closed · May 12, 1980 · N6656Q · Substantial damage
- [NTSB FTW80FRG23](https://openairdocs.org/ntsb/FTW80FRG23.md): Grumman G-164 · Pharr, TX · Accident · No injuries · Closed · Feb 4, 1980 · N6673Q · Destroyed
- [NTSB FTW79FQG41](https://openairdocs.org/ntsb/FTW79FQG41.md): Grumman G-164B · Sylvester, TX · Accident · No injuries · Closed · May 26, 1979 · N6605Q · Substantial damage
- [NTSB FTW79FRG32](https://openairdocs.org/ntsb/FTW79FRG32.md): Grumman G-164B · La Feria, TX · Accident · Minor injuries · Closed · May 23, 1979 · N6615Q · Substantial damage
- [NTSB FTW79DRA12](https://openairdocs.org/ntsb/FTW79DRA12.md): Grumman G-164B · Rosharon, TX · Accident · No injuries · Closed · Mar 17, 1979 · N6714K · Substantial damage
- [NTSB FTW78FRA22](https://openairdocs.org/ntsb/FTW78FRA22.md): Grumman G-164A · Rosharon, TX · Accident · Serious injuries · Closed · May 26, 1978 · N6681Q · Destroyed
- [NTSB FTW78FRA20](https://openairdocs.org/ntsb/FTW78FRA20.md): Grumman G-164B · La Ward, TX · Accident · Serious injuries · Closed · May 22, 1978 · N6727Q · Destroyed
- [NTSB FTW77DQG09](https://openairdocs.org/ntsb/FTW77DQG09.md): Grumman G-164B · Springlake, TX · Accident · No injuries · Closed · Feb 5, 1977 · N48534 · Substantial damage

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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