# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A: Loss of control on ground

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 WPR24LA165](https://openairdocs.org/ntsb/WPR24LA165.md): Grumman Acft ENG Cor-Schweizer G-164A · Rome, OR · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2024 · N9853 · Substantial damage
  > The pilot’s failure to maintain airplane control during landing.
- [NTSB WPR17LA100](https://openairdocs.org/ntsb/WPR17LA100.md): Grumman G164 · Madera, CA · Accident · No injuries · Limited investigation · Final report · May 7, 2017 · N8712H · Destroyed
  > The pilot’s loss of directional control during takeoff with a quartering tailwind, which resulted in a runway excursion and separation of the right landing gear.
- [NTSB GAA16CA200](https://openairdocs.org/ntsb/GAA16CA200.md): Grumman Acft ENG Cor-Schweizer G 164 · Madison, KS · Accident · No injuries · Data collection · Final report · Apr 25, 2016 · N8872H · Substantial damage
  > The pilot's incorrect brake application during the landing roll, which resulted in a nose over.
- [NTSB GAA15CA113](https://openairdocs.org/ntsb/GAA15CA113.md): Grumman Acft ENG Cor-Schweizer G 164A · Bakersfield, CA · Accident · No injuries · Data collection · Final report · Jun 9, 2015 · N8372 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, resulting in a runway excursion, and a collision with terrain.
- [NTSB SEA08CA093](https://openairdocs.org/ntsb/SEA08CA093.md): Grumman G-164A · Dayton, WA · Accident · Minor injuries · Data collection · Final report · Mar 25, 2008 · N48629 · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain an adequate airspeed. A contributing factor was the sudden windshift.

## 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 ('3952801')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '230' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/sequence?model=3952801

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