# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A: Nose over/nose down

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 WPR20CA159](https://openairdocs.org/ntsb/WPR20CA159.md): Grumman G164 · Maxwell, CA · Accident · No injuries · Class 4 · Data collection · Final report · May 29, 2020 · N9716 · Substantial damage
  > The pilot's delayed decision to abort the takeoff when the airplane was not attaining sufficient airspeed for takeoff and subsequently departed the end of the runway and collided with terrain. Contributing to the accident was the pilot's inadequate preflight…
- [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 CEN15LA175](https://openairdocs.org/ntsb/CEN15LA175.md): Grumman Acft ENG Cor-Schweizer G 164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2015 · N9755 · Substantial damage
  > The loss of engine power due to three stuck exhaust valves.
- [NTSB CEN11LA610](https://openairdocs.org/ntsb/CEN11LA610.md): Grumman Acft ENG Cor-Schweizer G-164A · Monette, AR · Accident · No injuries · Limited investigation · Final report · Aug 29, 2011 · N48378 · Substantial damage
  > The fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.
- [NTSB CEN09CA516](https://openairdocs.org/ntsb/CEN09CA516.md): Grumman Acft ENG Cor-Schweizer G-164A · Harlan, IA · Accident · No injuries · Data collection · Final report · Aug 10, 2009 · N4598 · Substantial damage
  > The pilot's failure to perform accurate weight and balance calculations which resulted in exceeding the maximum takeoff weight and the airplane's climb capability.
- [NTSB DEN08CA135](https://openairdocs.org/ntsb/DEN08CA135.md): Grumman G-164A · Walsh, CO · Accident · No injuries · Data collection · Final report · Aug 6, 2008 · N7487 · Substantial damage
  > The total failure of a cylinder head assembly. Contributing to the accident was the lack of suitable terrain for a forced 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 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" = '096' 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/096/sequence?model=3952801

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