# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B, 1989

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 LAX90DVG02](https://openairdocs.org/ntsb/LAX90DVG02.md): Schweizer G-164B · Knights Landing, CA · Accident · No injuries · Final report · Nov 18, 1989 · N6977K · Substantial damage
  > The failure of the right main Landing gear due to a sheared bolt that attached the spring leg to the gear.
- [NTSB MIA89TL#07](https://openairdocs.org/ntsb/MIA89TL%2307.md): Grumman G-164B · Mims, FL · Accident · No injuries · Class 3 · Final report · Sep 26, 1989 · N6720Q · Substantial damage
- [NTSB MKC89LA170](https://openairdocs.org/ntsb/MKC89LA170.md): Grumman G-164B · Portland, AR · Accident · No injuries · Limited investigation · Final report · Jul 28, 1989 · N8116K · Substantial damage
  > Engine failure due to failure of an engine cylinder.
- [NTSB SEA89LA138](https://openairdocs.org/ntsb/SEA89LA138.md): Grumman 164B · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · Jul 19, 1989 · N6632Q · Substantial damage
  > The airport owners failure to mark a hidden hazard.
- [NTSB LAX89DVA08](https://openairdocs.org/ntsb/LAX89DVA08.md): Schweizer G-164B · Livingston, CA · Accident · No injuries · Final report · Jul 18, 1989 · N8371K · Destroyed
  > The pilot's decision to attempt a takeoff on unsuitable terrain. A factor was the water on the airstrip.
- [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 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 MKC89LA148](https://openairdocs.org/ntsb/MKC89LA148.md): Grumman G-164B · Stockville, NE · Accident · No injuries · Limited investigation · Final report · Jul 2, 1989 · N6629Q · Substantial damage
  > Total failure of the powerplant caused by a broken cylinder.
- [NTSB FTW89DRD08](https://openairdocs.org/ntsb/FTW89DRD08.md): Schweizer G-164B · Kaplan, LA · Accident · Minor injuries · Final report · Jun 16, 1989 · N48592 · Destroyed
  > Loss of engine power due to a cracked cylinder.
- [NTSB MKC89LA134](https://openairdocs.org/ntsb/MKC89LA134.md): Grumman G164 · Brinkley, AR · Accident · No injuries · Limited investigation · Final report · Jun 15, 1989 · N8367K · Substantial damage
  > The failure of the aircraft engine due to water contamination. The pilot executed a landing in a flooded rice field which did not permit a successful landing.
- [NTSB FTW89DRD06](https://openairdocs.org/ntsb/FTW89DRD06.md): Grumman-Schweizer G-164B · Ville Platte, LA · Accident · No injuries · Final report · Jun 6, 1989 · N6693Q · Substantial damage
  > Wear and/or failure of the carburetor/float. Factors related to the accident were: the terrain conditions.
- [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 LAX89DVA05](https://openairdocs.org/ntsb/LAX89DVA05.md): Grumman G-164B · Westley, CA · Accident · Serious injuries · Final report · Mar 18, 1989 · N6713Q · Substantial damage
  > A loss of engine power for undetermined reasons. A factor related to the accident was the proximity of obstructions.
- [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.

## 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 year(c."eventDate") = 1989
  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&year=1989

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