# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, 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.

Page 1 of 2 · 60 cases

## Latest cases

- [NTSB GAA19CA270](https://openairdocs.org/ntsb/GAA19CA270.md): Grumman G164 · Lane City, TX · Accident · No injuries · Data collection · Final report · May 15, 2019 · N4865 · Destroyed
  > The pilot's failure to maintain clearance from power lines during low-altitude maneuvering.
- [NTSB CEN17LA151](https://openairdocs.org/ntsb/CEN17LA151.md): Grumman Acft ENG Cor-Schweizer G 164A · Nome, TX · Accident · No injuries · Limited investigation · Final report · Apr 8, 2017 · N971QC · Destroyed
  > An in-flight fire for reasons that could not be determined based on available information.
- [NTSB DEN08CA091](https://openairdocs.org/ntsb/DEN08CA091.md): Grumman-Schweizer G-164A · East Bernard, TX · Accident · No injuries · Data collection · Final report · May 20, 2008 · N5083 · Substantial damage
  > Two engine cylinder exhaust valves stuck open for an undetermined reason, resulting in a loss of engine power.
- [NTSB FTW99LA252](https://openairdocs.org/ntsb/FTW99LA252.md): Grumman-Schweizer G-164A · Seminole, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 1999 · N7362 · Destroyed
  > The pilot's failure to maintain clearance with powerlines. A factor was the pilot's diverted attention to the light bar for the electronic swath guidance system installed in the airplane.
- [NTSB FTW98LA292](https://openairdocs.org/ntsb/FTW98LA292.md): Grumman-Schweizer G-164A · Lubbock, TX · Accident · No injuries · Limited investigation · Final report · Jul 2, 1998 · N8866H · Substantial damage
  > The loss of engine power due to the collapsed of the engine induction air ducting. Factors were the inadequate maintenance inspection and the lack of suitable terrain for the pilot to execute the forced landing.
- [NTSB FTW98LA258](https://openairdocs.org/ntsb/FTW98LA258.md): Grumman-Schweizer G-164A · Lazbuddie, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 1998 · N5087 · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW97LA336](https://openairdocs.org/ntsb/FTW97LA336.md): Grumman G-164A · Muleshoe, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1997 · N9807 · Substantial damage
  > failure of the pilot to see the standpipe in time to avoid an accident (inadequate visual lookout), and his failure to maintain clearance with electrical wires, while maneuvering during an aerial application flight.
- [NTSB FTW97LA212](https://openairdocs.org/ntsb/FTW97LA212.md): Grumman G-164A · Woodsboro, TX · Accident · No injuries · Limited investigation · Final report · May 31, 1997 · N842KG · Substantial damage
  > The loss of engine power as result of fuel exhaustion due to the pilot's failure to refuel the airplane. A factor was the unsuitable terrain available for the pilot to execute the forced landing.
- [NTSB FTW94LA145](https://openairdocs.org/ntsb/FTW94LA145.md): Grumman G-164A · El Campo, TX · Accident · Serious injuries · Limited investigation · Final report · May 7, 1994 · N9682 · Destroyed
  > The partial loss of engine power due to one magneto being weak and the other magneto arcing inside its case. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW93LA239](https://openairdocs.org/ntsb/FTW93LA239.md): Grumman-Schweizer G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Aug 13, 1993 · N7993 · Substantial damage
  > The partial power loss for undetermined reasons. A factor was the lack of suitable terrain onto which a forced landing could be executed.
- [NTSB FTW93LA173](https://openairdocs.org/ntsb/FTW93LA173.md): Grumman G-164A · Ganado, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 1993 · N6752Q · Destroyed
  > The pilot's failure to maintain clearance with the power lines
- [NTSB FTW93LA144](https://openairdocs.org/ntsb/FTW93LA144.md): Grumman G-164A · Anahuac, TX · Accident · No injuries · Limited investigation · Final report · Apr 30, 1993 · N7485 · Substantial damage
  > Undetermined.
- [NTSB FTW92LA094](https://openairdocs.org/ntsb/FTW92LA094.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Mar 18, 1992 · N5378 · Substantial damage
  > The loss of engine power due to rocker arm failure. A factor was the unsuitable terrain.
- [NTSB FTW92LA085](https://openairdocs.org/ntsb/FTW92LA085.md): Grumman G-164A · Valley Mills, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 9, 1992 · N9828 · Substantial damage
  > Power loss due inadequate maintenance and the resultant multiple maintenance discrepancies. A factor was the wet terrain.
- [NTSB FTW91DRG03](https://openairdocs.org/ntsb/FTW91DRG03.md): Grumman G-164A · Weslaco, TX · Accident · Serious injuries · Final report · Jun 8, 1991 · N7445 · Destroyed
  > Failure of the pilot to maintain clearance.
- [NTSB FTW90DRA05](https://openairdocs.org/ntsb/FTW90DRA05.md): Grumman 164-B · Garwood, TX · Accident · No injuries · Final report · May 25, 1990 · N9982 · Destroyed
  > The power loss due to super charger impeller failure.
- [NTSB FTW89DRG05](https://openairdocs.org/ntsb/FTW89DRG05.md): Grumman-Schweizer G-164 · Edcouch, TX · Accident · No injuries · Final report · May 6, 1989 · N4591 · Substantial damage
  > Loss of engine power for an undetermined reason. The corn crop was a contributing factor.
- [NTSB FTW88DRA12](https://openairdocs.org/ntsb/FTW88DRA12.md): Grumman G-164A · Winnie, TX · Accident · Minor injuries · Final report · May 24, 1988 · N5374 · Substantial damage
  > Acft was substantially damaged when it struck a ditch and flipped over after settling to the ground following t/o from a pvt ag strip. The plt stated that during the t/o, the wind shifted to a quartering tailwind and that he attempted to dump his load because…
- [NTSB FTW88DRG07](https://openairdocs.org/ntsb/FTW88DRG07.md): Grumman G-164A · Alamo, TX · Accident · No injuries · Final report · Feb 26, 1988 · N4647 · Destroyed
  > The pilot experienced a total loss of engine power during climb when he made his initial power reduction. The power loss was accompanied by a loud bang. A severe postaccident ground fire melted a large portion of the engine. A partial engine teardown was…
- [NTSB FTW87DQG03](https://openairdocs.org/ntsb/FTW87DQG03.md): Schweizer G-164-A · Seminole, TX · Accident · Serious injuries · Final report · Aug 25, 1987 · N6888Q · Substantial damage
  > During the flare for landing on a county road the aircraft collided with a pickup truck traveling in same direction as the aircraft. The driver of the pickup sustained serious injuries. The pilot was not injured. The pilot stated he did not see the pickup…
- [NTSB FTW86FA066](https://openairdocs.org/ntsb/FTW86FA066.md): Grumman G164A · Hankamer, TX · Accident · 2 fatal · Field investigation · Final report · Apr 15, 1986 · N8751H · 2 aircraft · Destroyed
  > Two Grumman ag cats operated by the same air service collided in mid air. The accident occurred as one was departing and the other was returning to a temporary air strip adjacent to the fields they were fertilizing. Witnesses indicated that both pilot…
- [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 FTW83LA320](https://openairdocs.org/ntsb/FTW83LA320.md): Grumman G-164A · Dayton, TX · Accident · No injuries · Limited investigation · Final report · Jul 4, 1983 · N48374 · Substantial damage
  > The agricultural acft crashed 100 ft short of the rwy after the engine failed. The plt said the engine lost power and RPM so he decided to return to the airstrip after dumping his chemical load. The engine failed completely short of the rwy. The acft hit a…
- [NTSB FTW83LA205](https://openairdocs.org/ntsb/FTW83LA205.md): Grumman G-164A · Anahuac, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 25, 1983 · N4564 · Destroyed
  > The acft groundlooped in ruts during a forced landing after the engine quit. A ground fire destroyed the acft. The acft had approached the field to be sprayed and a witness on the ground said the engine sounded like it was being throttled back. When the pilot…
- [NTSB FTW82DA277](https://openairdocs.org/ntsb/FTW82DA277.md): Champion 7AC · Justin, TX · Accident · Serious injuries · Final report · Jul 12, 1982 · N2434E · 2 aircraft · Destroyed
  > The aerial application aircraft was returning to land when it collided with another aircraft that was on a straight-in final approach. The pilot of the other aircraft stated that he was below and ahead at about 150 feet AGL when the collision occurred. Both…
- [NTSB FTW82DA205](https://openairdocs.org/ntsb/FTW82DA205.md): Grumman G-164A · Angleton, TX · Accident · No injuries · Final report · Jun 1, 1982 · N8974H · Destroyed
  > While concentrating on his flagger, the pilot misjudged his altitude and allowed the aircraft to collide with a levee. The pilot then dumped his load and made an emergency landing, during which time, the aircraft nosed over.
- [NTSB FTW81DPD32](https://openairdocs.org/ntsb/FTW81DPD32.md): Grumman G-164A · Vernon, TX · Accident · No injuries · Closed · Jul 22, 1981 · N48554 · Substantial damage
- [NTSB FTW81FRA36](https://openairdocs.org/ntsb/FTW81FRA36.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Closed · May 26, 1981 · N9717 · Destroyed
- [NTSB FTW81FRA25](https://openairdocs.org/ntsb/FTW81FRA25.md): Grumman G-164A · Rosharon, TX · Accident · No injuries · Closed · Apr 27, 1981 · N8971H · Destroyed
- [NTSB FTW81DRG29](https://openairdocs.org/ntsb/FTW81DRG29.md): Grumman G-164A · San Saba, TX · Accident · No injuries · Closed · Apr 1, 1981 · N8508H · Substantial damage
- [NTSB FTW80FRA51](https://openairdocs.org/ntsb/FTW80FRA51.md): Grumman G-164A · Winnie, TX · Accident · No injuries · Closed · Sep 11, 1980 · N8751H · Substantial damage
- [NTSB FTW80DRA42](https://openairdocs.org/ntsb/FTW80DRA42.md): Grumman G-164A · Winnie, TX · Accident · No injuries · Closed · Jul 3, 1980 · N7960 · Substantial damage
- [NTSB FTW80DRA32](https://openairdocs.org/ntsb/FTW80DRA32.md): Grumman G-164A · Beaumont, TX · Accident · No injuries · Closed · May 22, 1980 · N6891Q · Substantial damage
- [NTSB FTW80DRA26](https://openairdocs.org/ntsb/FTW80DRA26.md): Grumman G-164A · La Ward, TX · Accident · No injuries · Closed · May 6, 1980 · N7235 · Destroyed
- [NTSB FTW80DRD28](https://openairdocs.org/ntsb/FTW80DRD28.md): Grumman G-164A · Deweyville, TX · Accident · No injuries · Closed · May 4, 1980 · N4546 · Destroyed
- [NTSB FTW79FQG56](https://openairdocs.org/ntsb/FTW79FQG56.md): Grumman G-164A · Hale Center, TX · Accident · Minor injuries · Closed · Aug 24, 1979 · N4940 · Substantial damage
- [NTSB FTW79DRA32](https://openairdocs.org/ntsb/FTW79DRA32.md): Grumman G-164A · Arcola, TX · Accident · No injuries · Closed · Jun 29, 1979 · N8773H · Substantial damage
- [NTSB FTW79DRG40](https://openairdocs.org/ntsb/FTW79DRG40.md): Grumman G-164A · Raymondville, TX · Accident · No injuries · Closed · Jun 13, 1979 · N4598 · Substantial damage
- [NTSB FTW79DRA22](https://openairdocs.org/ntsb/FTW79DRA22.md): Grumman G-164A · Bay City, TX · Accident · Minor injuries · Closed · May 15, 1979 · N6642Q · Destroyed
- [NTSB FTW78DRG67](https://openairdocs.org/ntsb/FTW78DRG67.md): Grumman G-164A · Harlingen, TX · Accident · No injuries · Closed · Aug 24, 1978 · N5437 · Substantial damage
- [NTSB FTW78DRA27](https://openairdocs.org/ntsb/FTW78DRA27.md): Grumman G-164A · Alvin, TX · Accident · No injuries · Closed · Jun 12, 1978 · N9935 · Destroyed
- [NTSB FTW78DRA16](https://openairdocs.org/ntsb/FTW78DRA16.md): Grumman G-164A · El Campo, TX · Accident · No injuries · Closed · Apr 26, 1978 · N6865Q · Substantial damage
- [NTSB FTW77DRG55](https://openairdocs.org/ntsb/FTW77DRG55.md): Grumman G-164A · San Benito, TX · Accident · Minor injuries · Closed · Jun 15, 1977 · N7998 · Destroyed
- [NTSB FTW77DRA25](https://openairdocs.org/ntsb/FTW77DRA25.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Closed · May 31, 1977 · N4309 · Destroyed
- [NTSB FTW77DRA21](https://openairdocs.org/ntsb/FTW77DRA21.md): Grumman G-164A · Danbury, TX · Accident · No injuries · Closed · May 9, 1977 · N7985 · Substantial damage
- [NTSB FTW77DRA19](https://openairdocs.org/ntsb/FTW77DRA19.md): Grumman G-164A · Winnie, TX · Accident · No injuries · Closed · Apr 18, 1977 · N5470 · Substantial damage
- [NTSB FTW76DQG95](https://openairdocs.org/ntsb/FTW76DQG95.md): Grumman G-164A · Olton, TX · Accident · No injuries · Closed · Aug 10, 1976 · N7358 · Substantial damage
- [NTSB FTW76DRA39](https://openairdocs.org/ntsb/FTW76DRA39.md): Grumman G-164 · Raywood, TX · Accident · No injuries · Closed · May 20, 1976 · N8773H · Substantial damage
- [NTSB FTW76DRA43](https://openairdocs.org/ntsb/FTW76DRA43.md): Grumman G-164A · El Campo, TX · Accident · No injuries · Closed · May 19, 1976 · N5449 · Substantial damage
- [NTSB FTW76DRA30](https://openairdocs.org/ntsb/FTW76DRA30.md): Grumman G-164A · Damon, TX · Accident · No injuries · Closed · Apr 10, 1976 · N5408 · Substantial damage

Next page: https://openairdocs.org/ntsb.md?model=3952801&state=TX&page=2

## 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 ('3952801'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952801&state=TX

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