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

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 CEN20LA278](https://openairdocs.org/ntsb/CEN20LA278.md): Grumman G164 · Springfield, CO · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 10, 2020 · N6917K · Destroyed
  > The pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in collision with terrain. Contributing to the accident was the combining of chemicals known to produce foam and the pilot’s failure to…
- [NTSB CHI04LA220](https://openairdocs.org/ntsb/CHI04LA220.md): Allied Ag Cat Productions G-164B · Moville, IA · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 2004 · N48424 · Destroyed
  > The pilot's inadequate in-flight planning/decision by his failure to maintain obstacle clearance. Contributing factors were low altitude flying and the tree.
- [NTSB FTW01LA203](https://openairdocs.org/ntsb/FTW01LA203.md): Grumman G-164B · Lydia, LA · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 2001 · N48655 · Destroyed
  > the pilot's failure to maintain clearance with a marked tower while maneuvering.
- [NTSB CHI01LA273](https://openairdocs.org/ntsb/CHI01LA273.md): Grumman G-164B · Hazelton, ND · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 2001 · N48624 · Destroyed
  > the pilot's ostentatious display when he performed a low level manuever and stalled the airplane.
- [NTSB FTW01LA136](https://openairdocs.org/ntsb/FTW01LA136.md): Grumman-Schweizer G-164B · Powhatan, AR · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 2001 · N48721 · Destroyed
  > the pilot's failure to maintain obstacle clearance while maneuvering after takeoff.
- [NTSB LAX00LA285](https://openairdocs.org/ntsb/LAX00LA285.md): Grumman G-164B · Tracy, CA · Accident · 1 fatal · Limited investigation · Final report · Aug 1, 2000 · N6737K · Destroyed
  > The pilot's failure to maintain adequate clearance from obstacles while maneuvering during an aerial application flight.
- [NTSB FTW00LA210](https://openairdocs.org/ntsb/FTW00LA210.md): Grumman-Schweizer G-164B · Ville Platte, LA · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2000 · N428KG · Destroyed
  > The loss of control for an undetermined reason.
- [NTSB FTW99FA150](https://openairdocs.org/ntsb/FTW99FA150.md): Grumman-Schweizer G164-B · Brinkley, AR · Accident · 1 fatal · Field investigation · Final report · May 26, 1999 · N8285K · Destroyed
  > The pilot's inadvertent VFR flight into instrument meteorological conditions. Contributing factors were the pilots failure to maintain control of the aircraft, spatial disorientation, and the fog.
- [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 CHI97LA278](https://openairdocs.org/ntsb/CHI97LA278.md): Schweizer G-164B · Larimore, ND · Accident · 1 fatal · Limited investigation · Final report · Sep 3, 1997 · N8326K · Destroyed
  > the pilot delaying the swath run turnaround maneuver at the end of the field boundary, and his failure to maintain clearance between the airplane and the high tension wires. A factor was the pilot's inattentiveness regarding the time to begin the swath run…
- [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 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 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 MIA92WA023](https://openairdocs.org/ntsb/MIA92WA023.md): Grumman G-164B · La Romana, Dominican Republic · Accident · 1 fatal · Foreign investigation · Nov 6, 1991 · N90514 · Destroyed
- [NTSB LAX91LA332](https://openairdocs.org/ntsb/LAX91LA332.md): Grumman G-164B · Arizona City, AZ · Accident · 1 fatal · Limited investigation · Final report · Jul 28, 1991 · N6681Q · Destroyed
  > Failure of the pilot to maintain an adequate visual outlook to avoid the collision with the power transmission lines. Contributing to the accident was the dark night light conditions that prevailed at the time of the accident.
- [NTSB FTW91LA103](https://openairdocs.org/ntsb/FTW91LA103.md): Grumman G-164B · Brighton, AR · Accident · 1 fatal · Limited investigation · Final report · Jun 19, 1991 · N48370 · Destroyed
  > (1) The pilot's failure to maintain adequate clearance from the wires and (2) the wire's subsequent interference with the flight controls.
- [NTSB LAX90DUG05](https://openairdocs.org/ntsb/LAX90DUG05.md): Grumman G-164B · Blythe, CA · Accident · 1 fatal · Final report · Apr 19, 1990 · N6708K · 2 aircraft · Destroyed
  > Failure of the pilots of N6708K and N10222 to maintain adequate visual lookout and failure of the pilot of N6708K to follow a prearanged procedure for reversing the direction of flight.
- [NTSB LAX90DVG04](https://openairdocs.org/ntsb/LAX90DVG04.md): Grumman G-164B · Esparto, CA · Accident · 1 fatal · Final report · Apr 4, 1990 · N8011K · Destroyed
  > The pilot misjudged the airplane's clearance with the transmission wires.
- [NTSB MIA86FA202](https://openairdocs.org/ntsb/MIA86FA202.md): Grumman G-164B · Sidon, MS · Accident · 1 fatal · Field investigation · Final report · Jul 10, 1986 · N48593 · Destroyed
  > The right wings of the ag operator's bi-plane collided with the ground support cables of a 322 ft high microwave tower while on a base leg for landing. The right wings separated & the acft crashed & burned killing the plt. The 25000 hr plt knew of the tower…
- [NTSB MIA86FA200](https://openairdocs.org/ntsb/MIA86FA200.md): Grumman G-164B · Vega Baja, PR · Accident · 1 fatal · Field investigation · Final report · Jul 5, 1986 · N6915K · No damage
  > The plt of the Grumman ag cat allowed 2 parachutists to board the resticted catagory acft for a parachute jumping flt. Each parachutist was positioned on a wing with his arm crooked around the respective wing center strut. After takeoff, the parachutist on…
- [NTSB ATL84FA105](https://openairdocs.org/ntsb/ATL84FA105.md): Grumman G-164B · Dawson, GA · Accident · 1 fatal · Field investigation · Final report · Feb 19, 1984 · N6558K · Destroyed
  > A failed cylinder head assembly resulted in a total power loss very shortly after takeoff. Witnesses observed the aerial application acft at 30-50 ft AGL over the rwy before it pulled up steeply, rolled and entered a near vertical uncontrolled descent to…
- [NTSB SEA81FYP18](https://openairdocs.org/ntsb/SEA81FYP18.md): Grumman G-164B · Harrison, ID · Accident · 1 fatal · Closed · May 23, 1981 · N48574 · Substantial damage
- [NTSB FTW81DA093](https://openairdocs.org/ntsb/FTW81DA093.md): Grumman G-164B · Danbury, TX · Accident · 2 fatal · Closed · May 19, 1981 · N6821K · 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."highestInjuryLevel" = 'Fatal'
  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?fatal=1&model=3952802

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