# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B, 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 LAX08LA177](https://openairdocs.org/ntsb/LAX08LA177.md): Grumman-Schweizer G-164B · Wilder, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 2008 · N48571 · Substantial damage
  > The loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing.
- [NTSB SEA05CA157](https://openairdocs.org/ntsb/SEA05CA157.md): Grumman G-164B · Paul, ID · Accident · No injuries · Data collection · Final report · Aug 3, 2005 · N8386K · Substantial damage
  > The failure of the pilot to maintain direction control during the landing roll, which resulted in a nose over. Contributing factors included the weeds and the wet, soft terrain..
- [NTSB SEA04LA099](https://openairdocs.org/ntsb/SEA04LA099.md): Grumman G-164B · Midvale, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 2004 · N8440K · Destroyed
  > The failure of the pilot to maintain clearance from the high tension powerline. A factor was the powerline.
- [NTSB SEA02LA123](https://openairdocs.org/ntsb/SEA02LA123.md): Grumman-Schweizer G-164B · Weiser, ID · Accident · No injuries · Limited investigation · Final report · Jul 6, 2002 · N8440K · Substantial damage
  > The fracture of the number 3 cylinder exhaust pushrod resulting in the exhaust valve's inability to open during the exhaust cycle and the subsequent engine stoppage. Contributing factors were the ditch and elevated roadway which the aircraft crossed during…
- [NTSB SEA02LA121](https://openairdocs.org/ntsb/SEA02LA121.md): Grumman-Schweizer G-164B · Shelley, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 2002 · N297AL · Destroyed
  > A loss of engine power due to the manufacturer's improperly machined threads, which prevented the cylinder base/head halves from being properly assembled, leading to fatigue propagation and the ultimate separation of the cylinder. A contributing factor was…
- [NTSB SEA98LA138](https://openairdocs.org/ntsb/SEA98LA138.md): Rockwell S-2R · Burley, ID · Accident · 2 fatal · Limited investigation · Final report · Jul 16, 1998 · N5036X · 2 aircraft · Substantial damage
  > A failure of both pilots to see and avoid each other's aircraft due to inadequate visual lookout.
- [NTSB SEA96LA103](https://openairdocs.org/ntsb/SEA96LA103.md): Schweizer G164B · Moscow, ID · Accident · No injuries · Limited investigation · Final report · May 29, 1996 · N48559 · Substantial damage
  > inflight loss of an unsecured access plug from the engine crankcase, which resulted in a loss of engine oil and a forced landing. Factors relating to the accident were: hilly terrain, and foreign material (engine oil) on the windscreen which limited forward…
- [NTSB SEA94LA193](https://openairdocs.org/ntsb/SEA94LA193.md): Grumman G-164B · Wilder, ID · Accident · No injuries · Limited investigation · Final report · Jul 19, 1994 · N48571 · Substantial damage
  > The failure of the left brake master cylinder and the pilot's inadequate remedial action when the aircraft collided with an embankment during an intentional ground loop.
- [NTSB SEA87LA067](https://openairdocs.org/ntsb/SEA87LA067.md): Grumman G164B · Reubens, ID · Accident · No injuries · Limited investigation · Final report · Mar 20, 1987 · N6798Q · Substantial damage
  > During takeoff run the aircraft veered to the right of the runway, struck a ditch, and then nosed over inverted. The pilot found that the right dowel pin on the right main gear had broken. The reason for the failure could not be determined.
- [NTSB SEA85LA146](https://openairdocs.org/ntsb/SEA85LA146.md): Grumman 164B · Twin Falls, ID · Accident · No injuries · Limited investigation · Final report · Jun 22, 1985 · N6762K · Substantial damage
  > A partial loss of power occurred during aerial application due to a crack around one of the cylinders. While the plt was attempting to dump chemicals, the acft settled onto the ground tearing off the rt main gear. The plt then flew on to Twin Falls to land.…
- [NTSB SEA81FYP18](https://openairdocs.org/ntsb/SEA81FYP18.md): Grumman G-164B · Harrison, ID · Accident · 1 fatal · Closed · May 23, 1981 · N48574 · Substantial damage
- [NTSB SEA78FYA26](https://openairdocs.org/ntsb/SEA78FYA26.md): Grumman G-164B · Homedale, ID · Accident · No injuries · Closed · Sep 20, 1978 · N48542 · Destroyed
- [NTSB SEA78FYA17](https://openairdocs.org/ntsb/SEA78FYA17.md): Grumman G-164B · Burley, ID · Accident · No injuries · Closed · Jul 19, 1978 · N6704Q · 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 ('3952802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952802&state=ID

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