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

Page 1 of 2 · 56 cases

## Latest cases

- [NTSB CHI07CA250](https://openairdocs.org/ntsb/CHI07CA250.md): Grumman G-164A · Vinton, IA · Accident · Minor injuries · Data collection · Final report · Aug 5, 2007 · N48558 · Destroyed
  > The pilot failed to maintain clearance from the power line while maneuvering during an aerial application flight. A factor was the power line.
- [NTSB DFW07CA131](https://openairdocs.org/ntsb/DFW07CA131.md): Grumman G-164A · Okarche, OK · Accident · No injuries · Data collection · Final report · Jun 9, 2007 · N48613 · Substantial damage
  > The pilot's failure to maintain clearance from an unmarked light fixture.
- [NTSB CHI06CA235](https://openairdocs.org/ntsb/CHI06CA235.md): Grumman-Schweizer G-164A · Gering, NE · Accident · No injuries · Data collection · Final report · Aug 10, 2006 · N48461 · Substantial damage
  > The pilot's failure to maintain clearance from the power lines during the aerial application flight. Factors were the low altitude and power lines.
- [NTSB CHI05LA211](https://openairdocs.org/ntsb/CHI05LA211.md): Grumman G-164A · Buchanan, ND · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 2005 · N6858Q · Destroyed
  > The pilot failed to maintain obstacle clearance from the power lines. Factors included the glare on the windshield and the power lines.
- [NTSB CHI05CA207](https://openairdocs.org/ntsb/CHI05CA207.md): Allied Ag Cat Productions G-164A · Trufant, MI · Accident · No injuries · Data collection · Final report · Jul 31, 2005 · N8951H · Substantial damage
  > The pilot's inadequate visual lookout and not maintaining clearance from the watering pivot during the aerial application maneuver and the unsuitable terrain he encountered during the emergency landing. A factor was the sunglare encountered.
- [NTSB CHI02LA095](https://openairdocs.org/ntsb/CHI02LA095.md): Schweizer G-164A · Cascade, IA · Accident · Serious injuries · Limited investigation · Final report · Mar 20, 2002 · N9763 · Substantial damage
  > The pilot's inadequate preflight planning/preparation and his failure to maintain clearance with the wire. A factor associated with the accident was the wire that the airplane contacted.
- [NTSB CHI01LA217](https://openairdocs.org/ntsb/CHI01LA217.md): Grumman G-164A · Mandan, ND · Accident · No injuries · Limited investigation · Final report · Jul 14, 2001 · N14AG · Substantial damage
  > the pilot failed to maintain clearance from the powerline. Additional factors were the thermal lift and the powerline.
- [NTSB SEA01LA055](https://openairdocs.org/ntsb/SEA01LA055.md): Grumman-Schweizer G-164A · Waitsburg, WA · Accident · Minor injuries · Limited investigation · Final report · Feb 28, 2001 · N48651 · Destroyed
  > The pilot's failure to maintain clearance from the power lines during a pull-up, resulting in an in-flight collision with the lines, loss of control and subsequent in-flight collision with terrain. Contributing factors were the power lines and the pilot's…
- [NTSB FTW99LA252](https://openairdocs.org/ntsb/FTW99LA252.md): Grumman-Schweizer G-164A · Seminole, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 1999 · N7362 · Destroyed
  > The pilot's failure to maintain clearance with powerlines. A factor was the pilot's diverted attention to the light bar for the electronic swath guidance system installed in the airplane.
- [NTSB MIA99LA160](https://openairdocs.org/ntsb/MIA99LA160.md): Grumman G-164A · Orlando, FL · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N711ZY · Substantial damage
  > The pilots misjudgment of altitude during an attempted banner tow pick-up. This resulted in the banner becoming entangled around the main landing gear. The pilot made a go-around. On landing rollout the banner became entangled around a runway light, and the…
- [NTSB LAX98LA240](https://openairdocs.org/ntsb/LAX98LA240.md): Grumman G-164A · Tracy, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 22, 1998 · N7442 · Destroyed
  > The failure of the pilot to maintain an adequate clearance with the telephone wires.
- [NTSB ATL98LA001](https://openairdocs.org/ntsb/ATL98LA001.md): Grumman-Schweizer G-164A · Sylvania, GA · Accident · No injuries · Limited investigation · Final report · Oct 12, 1997 · N4983 · Destroyed
  > The pilots failure to maintain clearance from transmission wires.
- [NTSB FTW97LA336](https://openairdocs.org/ntsb/FTW97LA336.md): Grumman G-164A · Muleshoe, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1997 · N9807 · Substantial damage
  > failure of the pilot to see the standpipe in time to avoid an accident (inadequate visual lookout), and his failure to maintain clearance with electrical wires, while maneuvering during an aerial application flight.
- [NTSB MIA97LA210](https://openairdocs.org/ntsb/MIA97LA210.md): Grumman-Schweizer G-164A · Woodeberry, TN · Accident · No injuries · Limited investigation · Final report · Jul 13, 1997 · N7981 · Destroyed
  > in-flight collision with a fence during takeoff. Factors in this accident were the pilot's inadequate pre-flight by not calculating the total weight of the airplane, and high temperatures.
- [NTSB FTW97LA167](https://openairdocs.org/ntsb/FTW97LA167.md): Grumman-Schweizer G-164A · Hatch, NM · Accident · Serious injuries · Limited investigation · Final report · Apr 28, 1997 · N7696 · Substantial damage
  > The pilot's failure to maintain clearance from the wires. A factor was the sunglare.
- [NTSB ATL96LA116](https://openairdocs.org/ntsb/ATL96LA116.md): Grumman G-164A · Mayersville, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1996 · N7362 · Substantial damage
  > failure of the pilot to maintain adequate clearance from an object (vehicle) on the ground.
- [NTSB LAX96LA204](https://openairdocs.org/ntsb/LAX96LA204.md): Grumman G-164 · Colusa, CA · Accident · 1 fatal · Limited investigation · Final report · May 25, 1996 · N48379 · Destroyed
  > failure of the pilot to remain clear of the power lines. Factors relating to the accident were: Lack of visual cues at dawn, and the power lines.
- [NTSB CHI95LA260](https://openairdocs.org/ntsb/CHI95LA260.md): Schweizer G-164A-450 · Grand Forks, ND · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1995 · N7994 · Substantial damage
  > the pilot's failure to maintain clearance with transmission wires. A factor in the accident was the sunglare.
- [NTSB CHI94LA292](https://openairdocs.org/ntsb/CHI94LA292.md): Grumman G-164A · Clifton, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1994 · N8971H · Destroyed
  > the pilots failure to keep visual contact with and to avoid unmarked powerlines adjacent to the crop field he was spraying.
- [NTSB CHI94LA162](https://openairdocs.org/ntsb/CHI94LA162.md): Grumman G-164A · Alexandria, NE · Accident · No injuries · Limited investigation · Final report · May 4, 1994 · N7368 · Substantial damage
  > The pilot's failure to maintain clearance with wires.
- [NTSB FTW94LA142](https://openairdocs.org/ntsb/FTW94LA142.md): Grumman G-164A · Lindon, CO · Accident · No injuries · Limited investigation · Final report · May 1, 1994 · N8559H · Substantial damage
  > Inaccurate preflight planning and preparation for the flight. A factor was soft terrain on the landing strip.
- [NTSB NYC94LA002](https://openairdocs.org/ntsb/NYC94LA002.md): Grumman G-164-A · Madisonville, KY · Accident · No injuries · Limited investigation · Final report · Oct 4, 1993 · N9909 · Destroyed
  > the pilot's inadequate preflight preparation and his inadequate visual lookout in flight which resulted in the collision with wires.
- [NTSB SEA93LA198](https://openairdocs.org/ntsb/SEA93LA198.md): Grumman-Schweizer G164A · Dayton, WA · Accident · Minor injuries · Limited investigation · Final report · Sep 13, 1993 · N9536 · Destroyed
  > The pilot in command's failure to maintain proper clearance from the power lines. The unmarked power lines were a factor.
- [NTSB FTW93LA173](https://openairdocs.org/ntsb/FTW93LA173.md): Grumman G-164A · Ganado, TX · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 1993 · N6752Q · Destroyed
  > The pilot's failure to maintain clearance with the power lines
- [NTSB CHI93DCQ01](https://openairdocs.org/ntsb/CHI93DCQ01.md): Grumman G-164A · Liberal, KS · Accident · 1 fatal · Final report · May 30, 1993 · N8385 · Destroyed
  > the pilot's failure to maintain clearance with the powerlines. A factor related to the accident were the powerlines which were contacted during the aerial application operation.
- [NTSB CHI92DEP04](https://openairdocs.org/ntsb/CHI92DEP04.md): Grumman 164A · Elkhorn, WI · Accident · Minor injuries · Final report · Aug 31, 1992 · N48635 · Destroyed
  > The pilot-in-command's inadequate compensation for wind conditions.
- [NTSB FTW92DRD05](https://openairdocs.org/ntsb/FTW92DRD05.md): Grumman G-164 · Thibodaux, LA · Accident · Minor injuries · Final report · Aug 17, 1992 · N8916H · Substantial damage
  > The pilot's failure to maintain clearance from the wires.
- [NTSB SEA92LA167](https://openairdocs.org/ntsb/SEA92LA167.md): Grumman G-164A · Shelby, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 1992 · N4859 · Destroyed
  > The poor decision by the pilot to make an aerial application turn around manuever under power lines and his failure to maintain clearance from the power lines.
- [NTSB ATL92LA130](https://openairdocs.org/ntsb/ATL92LA130.md): Grumman 164A · Abbeville, AL · Accident · Minor injuries · Limited investigation · Final report · Jun 25, 1992 · N5093 · Destroyed
  > The pilot's failure to see and avoid the top utility wire.
- [NTSB MIA91LA183](https://openairdocs.org/ntsb/MIA91LA183.md): Grumman G-164A · Greenwood, FL · Accident · No injuries · Limited investigation · Final report · Jul 11, 1991 · N6891Q · Destroyed
  > The inadequate preflight which resulted in debris in the cockpit which reduced the pilot's visual lookout. Unsuitable terrain encountered during the landing was a factor.
- [NTSB MIA91LA170](https://openairdocs.org/ntsb/MIA91LA170.md): Grumman G-164A · Falcon, MS · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1991 · N8942H · Substantial damage
  > In flight encounter with weather, high density altitude. Contributing to the accident was aircraft gross weight which was exceeded.
- [NTSB FTW91DRG03](https://openairdocs.org/ntsb/FTW91DRG03.md): Grumman G-164A · Weslaco, TX · Accident · Serious injuries · Final report · Jun 8, 1991 · N7445 · Destroyed
  > Failure of the pilot to maintain clearance.
- [NTSB DEN91LA077](https://openairdocs.org/ntsb/DEN91LA077.md): Grumman G-164A · Ville Platte, LA · Accident · Serious injuries · Limited investigation · Final report · May 27, 1991 · N48383 · Substantial damage
  > Premature pull up from an aerial application swath run resulting in a collision with an electrical transmission line.
- [NTSB FTW90DPG09](https://openairdocs.org/ntsb/FTW90DPG09.md): Grumman G164A · Osceola, AR · Accident · 1 fatal · Final report · Aug 16, 1990 · N7864 · Destroyed
  > The pilot's failure to maintain proper clearance from the power lines.
- [NTSB FTW89DRD03](https://openairdocs.org/ntsb/FTW89DRD03.md): Schweizer G-164A · Maxie, LA · Accident · 1 fatal · Final report · May 23, 1989 · N48467 · Destroyed
  > Failure of the pilot to maintain clearance from the trees. A factor related to the accident was: the presence of trees near the field where fertilizer was to be dispensed.
- [NTSB MKC89LA085](https://openairdocs.org/ntsb/MKC89LA085.md): Grumman G-164A · Advance, MO · Accident · No injuries · Limited investigation · Final report · Mar 25, 1989 · N48385 · Substantial damage
  > The pilot's inadequate visual lookout resulting in his failure to see power lines in time to avoid them. Contributing to the accident was the reduced visibility due to fog.
- [NTSB LAX89DVA06](https://openairdocs.org/ntsb/LAX89DVA06.md): Grumman G-164A · Riverdale, CA · Accident · Serious injuries · Final report · Mar 1, 1989 · N8547H · Destroyed
  > Inadequate visual lookout by the pilot, when he diverted his attention. The power line was a related factor.
- [NTSB CHI88DEP11](https://openairdocs.org/ntsb/CHI88DEP11.md): Grumman-Schweizer G-164A · Plover, WI · Accident · No injuries · Final report · Aug 17, 1988 · N8495 · Substantial damage
  > The aircraft collided with a farm machinery shed during an aerial application maneuver. The pilot stated that there was no powerplant or control malfunction. The temperature at the accident site was 87 degrees (f), with a calculated density altitude of 2944…
- [NTSB FTW88DRD14](https://openairdocs.org/ntsb/FTW88DRD14.md): Grumman G-164A · Crowley, LA · Accident · Serious injuries · Final report · Jul 16, 1988 · N8580H · Destroyed
  > The agricultural pilot was working in a field which had telephone lines at one end and power lines at the other. On his last run, as he started his pull up, the airplane struck the power lines at one end of the field. The airplane went through the power…
- [NTSB MKC88LA108](https://openairdocs.org/ntsb/MKC88LA108.md): Grumman G-164-A · Wynne, AR · Accident · No injuries · Limited investigation · Final report · Jun 6, 1988 · N9695 · Substantial damage
  > Following the takeoff from a private strip near Wynne, Arkansas, the pilot reported that he failed to establish and maintain an adequate angle of climb with the heavily loaded condition of the aircraft. The aircraft impacted trees in the flight path, then…
- [NTSB FTW88DRA12](https://openairdocs.org/ntsb/FTW88DRA12.md): Grumman G-164A · Winnie, TX · Accident · Minor injuries · Final report · May 24, 1988 · N5374 · Substantial damage
  > Acft was substantially damaged when it struck a ditch and flipped over after settling to the ground following t/o from a pvt ag strip. The plt stated that during the t/o, the wind shifted to a quartering tailwind and that he attempted to dump his load because…
- [NTSB FTW88DRD04](https://openairdocs.org/ntsb/FTW88DRD04.md): Grumman G-164A · Rayne, LA · Accident · Minor injuries · Final report · May 19, 1988 · N8657H · Substantial damage
  > The pilot had made seven previous takeoffs in that airplane, that day, on the same airstrip. On this one, the OAT was 93 degrees f. the elevation was 10 feet MSL and the density altitude was 2300 feet. The airplane was 388 pounds overweight and the CG was.5…
- [NTSB FTW88DRD02](https://openairdocs.org/ntsb/FTW88DRD02.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Final report · May 11, 1988 · N4708 · Substantial damage
  > The ag airplane was spraying over a rice field and was making a turn-around when the airplane settled into small trees and bushes. No problems were found with the airplane or powerplant.
- [NTSB FTW87DQG03](https://openairdocs.org/ntsb/FTW87DQG03.md): Schweizer G-164-A · Seminole, TX · Accident · Serious injuries · Final report · Aug 25, 1987 · N6888Q · Substantial damage
  > During the flare for landing on a county road the aircraft collided with a pickup truck traveling in same direction as the aircraft. The driver of the pickup sustained serious injuries. The pilot was not injured. The pilot stated he did not see the pickup…
- [NTSB FTW87DRD11](https://openairdocs.org/ntsb/FTW87DRD11.md): Grumman G-164A · Bastrop, LA · Accident · 1 fatal · Final report · Aug 18, 1987 · N9685 · Minor damage
  > Three flagmen were working with one spray plane and three fields. On this pass, two of the flagmen moved to the proper positions but the other one had moved too FAR laterally. The pilot stated to the sheriff that he had observed the flagman stepping off the…
- [NTSB MIA87LA173](https://openairdocs.org/ntsb/MIA87LA173.md): Grumman G-164A · Vaiden, MS · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 1987 · N9734 · Destroyed
  > The plt stated that during the takeoff ground run the acft travelled over a small rise on the rwy & became airborne prematurely. The acft then collided with trees while the plt was trying to maneuver it to avoid a populated area. The acft then collided with…
- [NTSB FTW87DRD05](https://openairdocs.org/ntsb/FTW87DRD05.md): Grumman G-164 · Kaplan, LA · Accident · No injuries · Final report · Jun 5, 1987 · N7804 · Substantial damage
  > The plt was dispensing fertilizer on a rice field when the acft collided with six strands of a power line at about 20' AGL. The airplane then crashed to the ground & was substantially damaged. The power line poles were located outside the field boundry.…
- [NTSB DEN87LA087](https://openairdocs.org/ntsb/DEN87LA087.md): Grumman G-164A · La Salle, CO · Accident · Serious injuries · Limited investigation · Final report · Apr 6, 1987 · N72PB · Destroyed
  > While conducting an aerial application flt, the plt misjudged the distance to the end of the field and initiated the pull-up too late to avoid impact with a tree. After striking the tree, the acft descended out of control until impact with the ground.
- [NTSB ATL84LA256](https://openairdocs.org/ntsb/ATL84LA256.md): Grumman G-164A · Adams, TN · Accident · No injuries · Limited investigation · Final report · Aug 14, 1984 · N9888 · Substantial damage
  > After completing a spray run the plt climbed to 75 ft AGL to fly aprx 2 miles to the next field. The elevation of the destination field was higher than the last one sprayed; no estimate of elevation change was provided. While attempting to climb over a hill…
- [NTSB LAX84LA380](https://openairdocs.org/ntsb/LAX84LA380.md): Grumman G-164A · El Mirage, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1984 · N7202 · Substantial damage
  > The plt was practicing takeoffs & landings with about 800 lbs of water on board. After turning downwind for his second landing, he experienced a loss of airspeed & the acft started to sink into power lines. He released the emergency dump gate, at which time,…

Next page: https://openairdocs.org/ntsb.md?model=3952801&occurrence=220&page=2

## 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 ('3952801')
    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=3952801&occurrence=220

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