# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B, 1994

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 FTW95FA047](https://openairdocs.org/ntsb/FTW95FA047.md): Grumman-Schweizer G-164B · Wisner, LA · Accident · 1 fatal · Field investigation · Final report · Nov 16, 1994 · N48398 · Substantial damage
  > The pilot's failure to maintain minimum required airspeed for flight. A factor was the pilot's lack of total experience in the type of aircraft.
- [NTSB FTW95LA009](https://openairdocs.org/ntsb/FTW95LA009.md): Grumman G-164B · Oak Grove, LA · Accident · No injuries · Limited investigation · Final report · Oct 3, 1994 · N6676K · Substantial damage
  > The pilot misjudged clearance from the vehicle.
- [NTSB MIA94LA218](https://openairdocs.org/ntsb/MIA94LA218.md): Grumman G-164B · Greenwood, MS · Accident · No injuries · Limited investigation · Final report · Sep 29, 1994 · N48572 · Substantial damage
  > The improper decision of the pilot to execute a precautionary landing to an unprepared field due to a supercharger shaft failure.
- [NTSB FTW94LA270](https://openairdocs.org/ntsb/FTW94LA270.md): Grumman G-164B · Shreveport, LA · Accident · 1 fatal · Limited investigation · Final report · Aug 12, 1994 · N48664 · Destroyed
  > The pilot's incapacitation due to a heart attack.
- [NTSB FTW94LA266](https://openairdocs.org/ntsb/FTW94LA266.md): Grumman G-164B · Matagorda, TX · Accident · No injuries · Limited investigation · Final report · Aug 10, 1994 · N8251K · Destroyed
  > A power loss due to cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW94FA262](https://openairdocs.org/ntsb/FTW94FA262.md): Grumman G-164B · Henderson, LA · Accident · 1 fatal · Field investigation · Final report · Aug 5, 1994 · N6804Q · Destroyed
  > The pilot's failure to maintain clearance from a known object.
- [NTSB FTW94FA241](https://openairdocs.org/ntsb/FTW94FA241.md): Schweizer G-164B · Foules, LA · Accident · 1 fatal · Field investigation · Final report · Jul 21, 1994 · N6617Q · Destroyed
  > The pilot's failure to maintain obstacle clearance.
- [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 CHI94DCA02](https://openairdocs.org/ntsb/CHI94DCA02.md): Schweizer G-164B · Harviell, MO · Accident · Minor injuries · Final report · Jul 18, 1994 · N48484 · Substantial damage
  > the separation of the oil supply line to the propeller governor, which resulted in the propeller inadvertently going into feather. Factors were the pilots intentional ground loop of the airplane to avoid impacting obstructions at the end of the runway.
- [NTSB FTW94LA187](https://openairdocs.org/ntsb/FTW94LA187.md): Grumman G-164B · Carlisle, AR · Accident · No injuries · Limited investigation · Final report · Jun 6, 1994 · N8363K · Destroyed
  > The loss of engine power for undetermined reason. A factor ws the lack of suitable terrain at the pilot's disposal for the forced landing.
- [NTSB FTW94LA178](https://openairdocs.org/ntsb/FTW94LA178.md): Schweizer G-164B · Antonito, CO · Accident · No injuries · Limited investigation · Final report · May 24, 1994 · N6695K · Substantial damage
  > The pilot's improper compensation for wind conditions. A factor was the gusty crosswind and the pilot inadvertently becoming lost.
- [NTSB FTW94LA177](https://openairdocs.org/ntsb/FTW94LA177.md): Grumman G-164B · Casscoe, AR · Accident · Minor injuries · Limited investigation · Final report · May 24, 1994 · N48386 · Destroyed
  > The inadvertent stall and power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL94LA104](https://openairdocs.org/ntsb/ATL94LA104.md): Grumman G-164B · Memphis, TN · Accident · No injuries · Limited investigation · Final report · May 20, 1994 · N6816Q · Substantial damage
  > The pilot's failure to maintain clearance from the earthen dike during the swath run.
- [NTSB LAX94LA205](https://openairdocs.org/ntsb/LAX94LA205.md): Grumman G-164B · Robbins, CA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1994 · N6774K · Substantial damage
  > The pilot's improper use of the brakes.
- [NTSB ATL94LA084](https://openairdocs.org/ntsb/ATL94LA084.md): Grumman G-164B · Ozark, AL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1994 · N48717 · Substantial damage
  > A loss of engine power for undetermined reasons. A factor was the soft terrain.
- [NTSB SEA94LA092](https://openairdocs.org/ntsb/SEA94LA092.md): Grumman-Schweizer G-164B · Levan, UT · Accident · No injuries · Limited investigation · Final report · Mar 30, 1994 · N6754Q · Substantial damage
  > The left main landing gear wheel bearing broke resulting in the wheel jamming and the airplane nosing over.
- [NTSB LAX94LA155](https://openairdocs.org/ntsb/LAX94LA155.md): Grumman G-164B · Chico, CA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1994 · N6528K · Substantial damage
  > the failure of the pilot to obtain/maintain sufficient flying speed during a downwind takeoff and climb, compounded by his reluctance to use full available takeoff power.
- [NTSB SEA94LA072](https://openairdocs.org/ntsb/SEA94LA072.md): Grumman G-164 · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · Mar 2, 1994 · N6612Q · Substantial damage
  > Unsuitable terrain for a forced landing after a loss of power due to a failed engine cylinder. Factors include a partial magneto failure.

## 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 year(c."eventDate") = 1994
  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&year=1994

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