# Final NTSB investigations: Grumman G-164A, ND

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 CEN12LA458](https://openairdocs.org/ntsb/CEN12LA458.md): Grumman G-164A · Egeland, ND · Accident · No injuries · Limited investigation · Final report · Jul 7, 2012 · N6583 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined during postaccident examinations.
- [NTSB CHI02LA152](https://openairdocs.org/ntsb/CHI02LA152.md): Grumman G-164A · Langdon, ND · Accident · No injuries · Limited investigation · Final report · Jun 5, 2002 · N7835 · Destroyed
  > The pilot did not maintain directional control while taxiing. A contributing factor was the wind gust condition present at the time of the accident.
- [NTSB CHI01LA134](https://openairdocs.org/ntsb/CHI01LA134.md): Air Tractor G-164A · Casselton, ND · Accident · No injuries · Limited investigation · Final report · May 16, 2001 · N970X · Substantial damage
  > The pilot's failure to maintain directional control of the airplane while recovering from a bounced landing. A factor was the collapse of the right main landing gear.
- [NTSB CHI95LA250](https://openairdocs.org/ntsb/CHI95LA250.md): Grumman G-164 · Park River, ND · Accident · No injuries · Limited investigation · Final report · Jul 27, 1995 · N949X · Substantial damage
  > the loss of power due to the primary lead in the left magneto being grounded against the case, and the improper clearance of the breaker point gaps. A factor was the lack of suitable terrain on which to perform the forced landing.
- [NTSB CHI94DTG01](https://openairdocs.org/ntsb/CHI94DTG01.md): Grumman G-164-A · La Moure, ND · Accident · No injuries · Final report · May 26, 1994 · N5277 · Substantial damage
  > failure of the pilot to maintain directional control.
- [NTSB DEN85LTG05](https://openairdocs.org/ntsb/DEN85LTG05.md): Grumman G164A · Colfax, ND · Accident · No injuries · Final report · Aug 2, 1985 · N5364 · Substantial damage
  > The plt noticed the spray pump was stuck in the off position shortly after takeoff for the aerial application flt. The decision was made to land on a private strip and during landing on the soft fld, the acft contacted high vegetation and nosed down.
- [NTSB DEN84LA253](https://openairdocs.org/ntsb/DEN84LA253.md): Grumman G-164A · Arthur, ND · Accident · No injuries · Limited investigation · Final report · Aug 17, 1984 · N5332 · Substantial damage
  > Acft flown at high gross weight in high density altitude conditions. The plt said takeoff pwr was added too late to stopthe descent at the start of a spray run.
- [NTSB DEN84LA206](https://openairdocs.org/ntsb/DEN84LA206.md): Grumman G-164A · Wyndmere, ND · Accident · No injuries · Limited investigation · Final report · Jul 1, 1984 · N4638 · Substantial damage
  > Sod was worn from the middle of the strip & the strip was wet. Therefore, the plt elected to use the left side of the sod strip for takeoff. During the takeoff roll, the left spray boom dragged into wheat that was growing beside the rwy & the acft veered…
- [NTSB DEN84LA204](https://openairdocs.org/ntsb/DEN84LA204.md): Grumman G-164A · Page, ND · Accident · No injuries · Limited investigation · Final report · Jun 29, 1984 · N5332 · Substantial damage
  > Engine siezed during takeoff climb at alt of aprx 100 ft AGL. Acft contacted trees during the forced landing. Examination of engine turbo section revealed the blower section had separated as a result of bearing failure. According to a mechanic who…
- [NTSB MKC76DTG24](https://openairdocs.org/ntsb/MKC76DTG24.md): Grumman G-164A · Cavalier, ND · Accident · No injuries · Closed · Jul 19, 1976 · N600T · Substantial damage

## 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" = 'ND' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Completed'
  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&state=ND&status=final

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