# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B: In flight collision with object

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 CHI07CA131](https://openairdocs.org/ntsb/CHI07CA131.md): Grumman-Schweizer G-164B · Humphrey, AR · Accident · Minor injuries · Data collection · Final report · May 4, 2007 · N668FA · Destroyed
  > The pilot's failure to maintain sufficient clearance between the airplane and the power lines. A factor was the power lines.
- [NTSB DFW05CA236](https://openairdocs.org/ntsb/DFW05CA236.md): Grumman G-164B · Epps, LA · Accident · Serious injuries · Data collection · Final report · Sep 14, 2005 · N6667Q · Substantial damage
  > The pilot's failure to maintain clearance with the power lines.
- [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 CHI04CA151](https://openairdocs.org/ntsb/CHI04CA151.md): Grumman-Schweizer G-164B · Hope, ND · Accident · No injuries · Data collection · Final report · Jun 10, 2004 · N48517 · Substantial damage
  > The pilot's failure to maintain clearance from the tree branches during the aerial-application flight. A factor to the accident was the trees.
- [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 LAX02LA232](https://openairdocs.org/ntsb/LAX02LA232.md): Grumman-Schweizer G-164B · Knights Landing, CA · Accident · No injuries · Limited investigation · Final report · Jul 20, 2002 · N6794K · Substantial damage
  > The pilot's inadequate visual lookout, resulting in an in-flight collision with wires.
- [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 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 SEA00LA099](https://openairdocs.org/ntsb/SEA00LA099.md): Grumman-Schweizer G-164B · Colfax, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 2000 · N6549K · Substantial damage
  > The pilots failure to maintain clearance from power transmission lines.
- [NTSB CHI99LA046](https://openairdocs.org/ntsb/CHI99LA046.md): Grumman G-164B · Naponee, NE · Accident · Minor injuries · Limited investigation · Final report · Dec 3, 1998 · N6676Q · Substantial damage
  > the pilot's failure to identify the wires prior to spraying the field and the low altitude at which the pilot was flying. A factor was the wires which the airplane contacted.
- [NTSB SEA98LA095](https://openairdocs.org/ntsb/SEA98LA095.md): Grumman-Schweizer G-164B · Starbuck, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 1998 · N8252K · Destroyed
  > The pilot-in-command's failure to maintain adequate visual lookout. A contributing factor was the unmarked transmission lines.
- [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 FTW96LA232](https://openairdocs.org/ntsb/FTW96LA232.md): Grumman G-164B · Newport, AR · Accident · Minor injuries · Limited investigation · Final report · May 31, 1996 · N6678Q · Substantial damage
  > failure of the pilot to maintain clearance from the power line.
- [NTSB CHI95LA163](https://openairdocs.org/ntsb/CHI95LA163.md): Schweizer G-164B · E. Grand Forks, MN · Accident · No injuries · Limited investigation · Final report · Jun 1, 1995 · N6682K · Substantial damage
  > The pilot's failure to maintain clearance with the wires.
- [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 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 MIA93LA178](https://openairdocs.org/ntsb/MIA93LA178.md): Schweizer G-164B · Benton, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 18, 1993 · N6731Q · Destroyed
  > The pilot-in-command's failure to maintain proper visual outlook.
- [NTSB FTW93LA172](https://openairdocs.org/ntsb/FTW93LA172.md): Grumman G-164B · Walnut Ridge, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1993 · N48659 · Destroyed
  > The pilot's failure to maintain adequate clearance.
- [NTSB FTW93LA167](https://openairdocs.org/ntsb/FTW93LA167.md): Grumman G-164B · Stuttgart, AR · Accident · No injuries · Limited investigation · Final report · May 26, 1993 · N8405K · Destroyed
  > Pilot's failure to maintain clearance from the electrical wires.
- [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 FTW90DPG14](https://openairdocs.org/ntsb/FTW90DPG14.md): Grumman G-164B · Dumas, AR · Accident · Minor injuries · Final report · Sep 4, 1990 · N48602 · Substantial damage
  > The inadvertent stall encountered during the turn to reverse direction.
- [NTSB LAX90DVA10](https://openairdocs.org/ntsb/LAX90DVA10.md): Grumman-Schweizer G-164B · Westley, CA · Accident · Serious injuries · Final report · Aug 19, 1990 · N6774Q · Destroyed
  > The pilot's failure maintain obstacle clearance.
- [NTSB CHI90DEV04](https://openairdocs.org/ntsb/CHI90DEV04.md): Grumman G-164B · Princeton, IL · Accident · No injuries · Final report · May 18, 1990 · N6695Q · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance from obstacles during flight at low altitude, resulting in wire strike.
- [NTSB FTW90DRD08](https://openairdocs.org/ntsb/FTW90DRD08.md): Schweizer G-164B · Basile, LA · Accident · No injuries · Final report · May 13, 1990 · N6733Q · Destroyed
  > The pilot's inadequate evaluation of the weather information. A related factor to the accident was the tailwind.
- [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 FTW89DRA06](https://openairdocs.org/ntsb/FTW89DRA06.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Final report · Jun 1, 1989 · N6822Q · Substantial damage
  > A bird strike which resulted in foreign object damage to the engine compressor. A berm and the lack of suitable terrain for a forced landing were contributing factors.
- [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 FTW84LA349](https://openairdocs.org/ntsb/FTW84LA349.md): Grumman G-164B · Tallulah, LA · Accident · No injuries · Limited investigation · Final report · Aug 9, 1984 · N8961H · Destroyed
  > After applying seven (7) loads of chemicals the pilot landed and loaded both fuel and chemicals. After takeoff he completed one swath run and was just starting the second run when he allowed the wheels to contact the crop. The load was not jettisoned and the…
- [NTSB LAX84LA423](https://openairdocs.org/ntsb/LAX84LA423.md): Grumman G-164B · Maricopa, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 1984 · N6689Q · Substantial damage
  > The plt added fuel and chemicals for a total of about 230 gallons of cargo. The temperature was 87 degrees and the arpt elevation is 1100 ft. the density alt was not computed and performance not assessed. After takeoff in a crosswind turn the acft 'quit…
- [NTSB LAX84LA417](https://openairdocs.org/ntsb/LAX84LA417.md): Grumman G-164B · Delhi, CA · Accident · No injuries · Limited investigation · Final report · Jul 28, 1984 · N6711Q · Destroyed
  > The plt took off so early it was described by a witness as still being dark. The elevation of the accident was higher than the takeoff point. The operator said the plt tended to be easy on the equipment and throttled back shortly after takeoff. He stated that…
- [NTSB MKC84LA181](https://openairdocs.org/ntsb/MKC84LA181.md): Grumman G-164B · Campbell, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 1984 · N6600K · Destroyed
  > PIC was making a clean up swath run after spraying a field and failed to avoid a high voltage power line. After strikingthe line the acft impacted the ground, caught fire and burned.
- [NTSB MKC84LA158](https://openairdocs.org/ntsb/MKC84LA158.md): Schweizer G164B · Ellinwood, KS · Accident · No injuries · Limited investigation · Final report · Jun 3, 1984 · N6618Q · Substantial damage
  > While the plt was spraying a field of soybeans, the right main gear of the acft hit an irrigation sys that he had been crossing. The right main gear was torn off, but the acft continued to fly. During the landing on a sod arpt, the prop dug in & the acft…
- [NTSB DEN83LA170](https://openairdocs.org/ntsb/DEN83LA170.md): Grumman G-164B · Page, ND · Accident · No injuries · Limited investigation · Final report · Jun 29, 1983 · N6652Q · Substantial damage
  > While spraying at dusk, the plt was concerned about injuring a 'non-target crop' across the road to the south from the field that was being sprayed. He stated that an irrigation system was sitting pointed southwest, and that as he was entering a swath to the…
- [NTSB LAX82DA365](https://openairdocs.org/ntsb/LAX82DA365.md): Grumman G-164B · Delano, CA · Accident · No injuries · Final report · Sep 27, 1982 · N48482 · Destroyed
  > Aircraft collided with wires during spraying of grapes. No air or ground survey made which was a normal procedure. Work pressure created the deviation.
- [NTSB FTW82DRA22](https://openairdocs.org/ntsb/FTW82DRA22.md): Grumman G-164 · Hardin, TX · Accident · Serious injuries · Final report · Jun 25, 1982 · N8354K · Substantial damage
  > The pilot reported that he struck power lines while flying under them during a swath run. Also, he indicated that a thunderstorm was rapidly approaching the field at the time the accident occurred.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952802')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952802&occurrence=220

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