# NTSB investigations: Grumman G-164A, 1990

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 FTW90DRA09](https://openairdocs.org/ntsb/FTW90DRA09.md): Grumman G-164A · Altair, TX · Accident · No injuries · Final report · Sep 14, 1990 · N6566 · Destroyed
  > The pilot's use of improper terrain for takeoff.
- [NTSB ATL90LA171](https://openairdocs.org/ntsb/ATL90LA171.md): Grumman G-164A · Americus, GA · Accident · No injuries · Limited investigation · Final report · Sep 14, 1990 · N7905 · Destroyed
  > A low cycle fatigue failure of the left main landing gear spring.
- [NTSB DEN90DQA02](https://openairdocs.org/ntsb/DEN90DQA02.md): Grumman G-164A · Deming, NM · Accident · No injuries · Final report · Aug 1, 1990 · N668U · Substantial damage
  > Failure of the pilot to maintain control during landing roll due to the condition of the runway. Contributing to the accident was the poor maintenance of the runway surface.
- [NTSB FTW90DRD14](https://openairdocs.org/ntsb/FTW90DRD14.md): Grumman G-164A · Sommerset, LA · Accident · 1 fatal · Final report · Jul 25, 1990 · N7854 · Destroyed
  > The pilot's failure to attain adequate clearance above crops at the end of the runway.
- [NTSB MKC90LA126](https://openairdocs.org/ntsb/MKC90LA126.md): Grumman G-164A · Fisher, AR · Accident · No injuries · Limited investigation · Final report · Jun 12, 1990 · N5257 · Destroyed
  > Partial loss of engine power for an undetermined reason.
- [NTSB FTW90DRD12](https://openairdocs.org/ntsb/FTW90DRD12.md): Grumman G-164A · Bastrop, LA · Accident · Minor injuries · Final report · Jun 10, 1990 · N6572 · Destroyed
  > The pilot's improper engine procedures during ground operations and prior to takeoff which resulted in fouled spark plugs.
- [NTSB NYC90DHA01](https://openairdocs.org/ntsb/NYC90DHA01.md): Grumman G-164A · Hunlock Creek, PA · Accident · 1 fatal · Final report · May 23, 1990 · N913X · Substantial damage
  > The pilot's failure to maintain adequate clearance from obtacles, and his failure to see and avoid the electrical transmission line.
- [NTSB LAX90DVG07](https://openairdocs.org/ntsb/LAX90DVG07.md): Grumman G-164A · Gridley, CA · Accident · Serious injuries · Final report · May 8, 1990 · N5368 · Substantial damage
  > Failure of the no.7 cylinder head which led to a forced landing and substantial damage to the aircraft when it nosed over after colliding with a ditch.
- [NTSB FTW90DRA04](https://openairdocs.org/ntsb/FTW90DRA04.md): Grumman 164A · Garwood, TX · Accident · No injuries · Final report · Apr 20, 1990 · N5295 · Substantial damage
  > Failure of the number 8 cylinder.
- [NTSB MKC90LA080](https://openairdocs.org/ntsb/MKC90LA080.md): Grumman G-164A · Mounds, AR · Accident · No injuries · Limited investigation · Final report · Apr 4, 1990 · N6556 · Substantial damage
  > The pilot's improper compensation for wind conditions. Factors related to the accident were: the pilot's selection of the wrong runway and the resultant tailwind condition.
- [NTSB MKC90LA067](https://openairdocs.org/ntsb/MKC90LA067.md): Grumman AG-CAT G-164A · Parkin, AR · Accident · No injuries · Limited investigation · Final report · Mar 17, 1990 · N5336 · Substantial damage
  > Total failure of the engine's master connecting rod.
- [NTSB MIA90LA078](https://openairdocs.org/ntsb/MIA90LA078.md): Grumman G-164A · Mattson, MS · Accident · No injuries · Limited investigation · Final report · Mar 5, 1990 · N5416 · Substantial damage
  > The no. 6 cylinder which cracked across the top from one spark plug hole to the other, resulting in the loss of engine power.
- [NTSB FTW90DRD03](https://openairdocs.org/ntsb/FTW90DRD03.md): Grumman G-164A · Glynn, LA · Accident · No injuries · Final report · Feb 22, 1990 · N930X · Substantial damage
  > Loss of directional control on the ground, due to intermittent locking of the right brake during the landing roll.

## 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") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952704'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952704&year=1990

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