# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, ID

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 WPR16LA082](https://openairdocs.org/ntsb/WPR16LA082.md): Grumman G164 · Juliaetta, ID · Accident · No injuries · Limited investigation · Final report · Mar 12, 2016 · N6894Q · Substantial damage
  > A partial loss of engine power due to a crack in the No. 2 cylinder.
- [NTSB WPR11LA238](https://openairdocs.org/ntsb/WPR11LA238.md): Grumman G-164A · Hazelton, ID · Accident · No injuries · Limited investigation · Final report · May 28, 2011 · N9724 · Substantial damage
  > A total loss of engine power during low-level maneuvering due to an excessively worn carburetor.
- [NTSB SEA08CA183](https://openairdocs.org/ntsb/SEA08CA183.md): Grumman Acft Eng G-164A · Hazelton, ID · Accident · Minor injuries · Data collection · Final report · Aug 18, 2008 · N6702Q · Substantial damage
  > The pilot's inadequate compensation for the tailwind and failure to attain and maintain airspeed, which resulted in an inadvertent stall. The tailwind was a contributing factor.
- [NTSB SEA05LA146](https://openairdocs.org/ntsb/SEA05LA146.md): Grumman G-164A · Jerome, ID · Accident · No injuries · Limited investigation · Final report · Jul 19, 2005 · N6702Q · Substantial damage
  > Failure to maintain clearance from terrain during takeoff and initial climb. A high density altitude was a factor.
- [NTSB SEA04LA065](https://openairdocs.org/ntsb/SEA04LA065.md): Grumman G-164 · Nezperce, ID · Accident · No injuries · Limited investigation · Final report · Apr 5, 2004 · N48564 · Substantial damage
  > The circumferential fracture of the number seven cylinder head while en route to an aerial fertilizer application, leading to a forced landing on soft terrain, resulting in the collapse of the right main gear leg. Factors include soft terrain at the location…
- [NTSB SEA99LA107](https://openairdocs.org/ntsb/SEA99LA107.md): Grumman-Schweizer G-164A · New Plymouth, ID · Accident · No injuries · Limited investigation · Final report · Jul 7, 1999 · N7869 · Substantial damage
  > Loss of engine power due to failure of the supercharger impeller. A contributing factor was the ditch.
- [NTSB SEA96LA172](https://openairdocs.org/ntsb/SEA96LA172.md): Grumman-Schweizer G-164A · Dubois, ID · Accident · No injuries · Limited investigation · Final report · Jul 27, 1996 · N5390 · Substantial damage
  > failure of the pilot to remain clear of an irrigation spray device, which resulted in inadvertent water ingestion and flameout of the aircraft's turboprop engine. Factors relating to the accident were: the proximity of the irrigation spray device (close to…
- [NTSB SEA96LA155](https://openairdocs.org/ntsb/SEA96LA155.md): Grumman G-164A · New Plymouth, ID · Accident · No injuries · Limited investigation · Final report · Jul 15, 1996 · N48442 · Substantial damage
  > a cracked cylinder head, which resulted in partial loss of engine power during takeoff. Factors relating to the accident were: the pilot allowed the gross weight of the airplane to be exceeded, and tall wheat (crop) in the emergency landing area.
- [NTSB SEA95LA165](https://openairdocs.org/ntsb/SEA95LA165.md): Grumman G-164A · Buhl, ID · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 1995 · N48471 · Substantial damage
  > The loss of power due to the failure of an engine cylinder. The chemical load was not dumped for undetermined reasons and contributed to the severity of injuries.
- [NTSB SEA95LA138](https://openairdocs.org/ntsb/SEA95LA138.md): Grumman G-164A · Burley, ID · Accident · No injuries · Limited investigation · Final report · Jul 8, 1995 · N8946H · Substantial damage
  > A total loss of engine power due to fatigue failure of the crankshaft. A factor in the accident was the lack of suitable terrain for the forced landing.
- [NTSB SEA92LA142](https://openairdocs.org/ntsb/SEA92LA142.md): Grumman-Schweizer G-164A · Paul, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 1, 1992 · N5386 · Destroyed
  > Loss of engine power for undetermined reasons and aircraft control not possible by the pilot in command. A factor contributing to the accident was: rough/uneven terrain.
- [NTSB SEA91LA195](https://openairdocs.org/ntsb/SEA91LA195.md): Grumman G-164A · Genesee, ID · Accident · No injuries · Limited investigation · Final report · Jul 28, 1991 · N48599 · Destroyed
  > The pilot's failure to maintain alignment with the strip. Contributing to the accident was the glare of a bright horizon at dawn.
- [NTSB SEA91LA191](https://openairdocs.org/ntsb/SEA91LA191.md): Grumman G-164A · Hamer, ID · Accident · No injuries · Limited investigation · Final report · Jul 24, 1991 · N6702Q · Substantial damage
  > The pilot's failure to maintain runway aligment. Factors include high vegetation, and an inadverent ground loop/swerve.
- [NTSB SEA91LA105](https://openairdocs.org/ntsb/SEA91LA105.md): Grumman G-164A · Lapwai, ID · Accident · Serious injuries · Limited investigation · Final report · May 14, 1991 · N8792H · Destroyed
  > The pilot's misjudgment of an aerial application swath run. Factors include a downdraft condition and soft terrain.
- [NTSB SEA89LA135](https://openairdocs.org/ntsb/SEA89LA135.md): Grumman G-164A · Albion, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1989 · N8377 · Substantial damage
  > The pilot's improper use of the mixture control during takeoff. The fence was a related factor.
- [NTSB SEA85LA132](https://openairdocs.org/ntsb/SEA85LA132.md): Grumman G-164A · Kendrick, ID · Accident · No injuries · Limited investigation · Final report · Jun 9, 1985 · N7997 · Substantial damage
  > The plt had finished spraying a field & was returning to the ag strip when the eng failed. He made an emerg landing in a barley field which was muddy & soft. During the landing roll, the wheels sank in the terrain & the acft nosed over. An exam revealed that…
- [NTSB SEA84LA109](https://openairdocs.org/ntsb/SEA84LA109.md): Grumman G-164 · Craigmont, ID · Accident · No injuries · Limited investigation · Final report · May 17, 1984 · N48373 · Substantial damage
  > During aerial application the engine lost power & a forced landing was initiated to a wheat field. During the landing approach the acft stalled at about 10 to 20 feet AGL. The acft landed hard and flipped over. Examination of the engine revealed a broken…
- [NTSB SEA82DA127](https://openairdocs.org/ntsb/SEA82DA127.md): Grumman G-164A · Burley, ID · Accident · No injuries · Final report · Jul 24, 1982 · N9532 · Destroyed
  > At about 20 ft AGL after takeoff the eng quit. The cause of the eng failure could not be determined.
- [NTSB SEA78DYA24](https://openairdocs.org/ntsb/SEA78DYA24.md): Grumman G-164A · Oakley, ID · Accident · Minor injuries · Closed · Sep 1, 1978 · N7365 · Substantial damage
- [NTSB SEA78DYA12](https://openairdocs.org/ntsb/SEA78DYA12.md): Grumman G-164A · Terreton, ID · Accident · No injuries · Closed · Jun 19, 1978 · N8712H · Substantial damage
- [NTSB SEA76DYA25](https://openairdocs.org/ntsb/SEA76DYA25.md): Grumman G-164A · Hamer, ID · Accident · No injuries · Closed · Jun 5, 1976 · N7863 · Substantial damage
- [NTSB SEA76DYG43](https://openairdocs.org/ntsb/SEA76DYG43.md): Grumman G-164A · Genesee, ID · Accident · No injuries · Closed · Apr 13, 1976 · N7372 · Substantial damage
- [NTSB SEA76DYG42](https://openairdocs.org/ntsb/SEA76DYG42.md): Grumman G-164A · Nezperce, ID · Accident · No injuries · Closed · Apr 9, 1976 · N29SK · Substantial damage
- [NTSB SEA75DYA04](https://openairdocs.org/ntsb/SEA75DYA04.md): Grumman G-164A · Burley, ID · Accident · No injuries · Closed · Jul 14, 1974 · N7365 · Substantial damage
- [NTSB SEA74DYA11](https://openairdocs.org/ntsb/SEA74DYA11.md): Grumman G-164A · Idaho Falls, ID · Accident · No injuries · Closed · Sep 10, 1973 · N7369 · Destroyed

## 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" = 'ID' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952801'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952801&state=ID

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