NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A
56 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the first occurrence was “In flight collision with object”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1982 | 4 |
|---|---|
| 1983 | 2 |
| 1984 | 2 |
| 1987 | 5 |
| 1988 | 6 |
| 1989 | 3 |
| 1990 | 1 |
| 1991 | 4 |
| 1992 | 4 |
| 1993 | 4 |
| 1994 | 3 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 4 |
| 1998 | 1 |
| 1999 | 2 |
| 2001 | 2 |
| 2002 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 2 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CHI07CA250Accident · Minor injuriesData collectionFinal reportGrumman G-164A · Vinton, IAThe pilot failed to maintain clearance from the power line while maneuvering during an aerial application flight. A factor was the power line.NTSB DFW07CA131Accident · No injuriesData collectionFinal reportGrumman G-164A · Okarche, OKThe pilot's failure to maintain clearance from an unmarked light fixture.NTSB CHI06CA235Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164A · Gering, NEThe pilot's failure to maintain clearance from the power lines during the aerial application flight. Factors were the low altitude and power lines.NTSB CHI05LA211Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Buchanan, NDThe pilot failed to maintain obstacle clearance from the power lines. Factors included the glare on the windshield and the power lines.NTSB CHI05CA207Accident · No injuriesData collectionFinal reportAllied Ag Cat Productions G-164A · Trufant, MIThe 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 CHI02LA095Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164A · Cascade, IAThe 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 CHI01LA217Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Mandan, NDthe pilot failed to maintain clearance from the powerline. Additional factors were the thermal lift and the powerline.NTSB SEA01LA055Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Waitsburg, WAThe 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 FTW99LA252Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Seminole, TXThe 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 MIA99LA160Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Orlando, FLThe 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 LAX98LA240Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Tracy, CAThe failure of the pilot to maintain an adequate clearance with the telephone wires.NTSB ATL98LA001Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Sylvania, GAThe pilots failure to maintain clearance from transmission wires.NTSB FTW97LA336Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Muleshoe, TXfailure 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 MIA97LA210Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Woodeberry, TNin-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 FTW97LA167Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Hatch, NMThe pilot's failure to maintain clearance from the wires. A factor was the sunglare.NTSB ATL96LA116Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Mayersville, MSfailure of the pilot to maintain adequate clearance from an object (vehicle) on the ground.NTSB LAX96LA204Accident · 1 fatalLimited investigationFinal reportGrumman G-164 · Colusa, CAfailure 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 CHI95LA260Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164A-450 · Grand Forks, NDthe pilot's failure to maintain clearance with transmission wires. A factor in the accident was the sunglare.NTSB CHI94LA292Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Clifton, ILthe pilots failure to keep visual contact with and to avoid unmarked powerlines adjacent to the crop field he was spraying.NTSB CHI94LA162Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Alexandria, NEThe pilot's failure to maintain clearance with wires.NTSB FTW94LA142Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Lindon, COInaccurate preflight planning and preparation for the flight. A factor was soft terrain on the landing strip.NTSB NYC94LA002Accident · No injuriesLimited investigationFinal reportGrumman G-164-A · Madisonville, KYthe pilot's inadequate preflight preparation and his inadequate visual lookout in flight which resulted in the collision with wires.NTSB SEA93LA198Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G164A · Dayton, WAThe pilot in command's failure to maintain proper clearance from the power lines. The unmarked power lines were a factor.NTSB FTW93LA173Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Ganado, TXThe pilot's failure to maintain clearance with the power linesNTSB CHI93DCQ01Accident · 1 fatalFinal reportGrumman G-164A · Liberal, KSthe 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 CHI92DEP04Accident · Minor injuriesFinal reportGrumman 164A · Elkhorn, WIThe pilot-in-command's inadequate compensation for wind conditions.NTSB FTW92DRD05Accident · Minor injuriesFinal reportGrumman G-164 · Thibodaux, LAThe pilot's failure to maintain clearance from the wires.NTSB SEA92LA167Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Shelby, MTThe 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 ATL92LA130Accident · Minor injuriesLimited investigationFinal reportGrumman 164A · Abbeville, ALThe pilot's failure to see and avoid the top utility wire.NTSB MIA91LA183Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Greenwood, FLThe 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 MIA91LA170Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Falcon, MSIn flight encounter with weather, high density altitude. Contributing to the accident was aircraft gross weight which was exceeded.NTSB FTW91DRG03Accident · Serious injuriesFinal reportGrumman G-164A · Weslaco, TXFailure of the pilot to maintain clearance.NTSB DEN91LA077Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Ville Platte, LAPremature pull up from an aerial application swath run resulting in a collision with an electrical transmission line.NTSB FTW90DPG09Accident · 1 fatalFinal reportGrumman G164A · Osceola, ARThe pilot's failure to maintain proper clearance from the power lines.NTSB FTW89DRD03Accident · 1 fatalFinal reportSchweizer G-164A · Maxie, LAFailure 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 MKC89LA085Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Advance, MOThe 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 LAX89DVA06Accident · Serious injuriesFinal reportGrumman G-164A · Riverdale, CAInadequate visual lookout by the pilot, when he diverted his attention. The power line was a related factor.NTSB CHI88DEP11Accident · No injuriesFinal reportGrumman-Schweizer G-164A · Plover, WIThe 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 FTW88DRD14Accident · Serious injuriesFinal reportGrumman G-164A · Crowley, LAThe 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 MKC88LA108Accident · No injuriesLimited investigationFinal reportGrumman G-164-A · Wynne, ARFollowing 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 FTW88DRA12Accident · Minor injuriesFinal reportGrumman G-164A · Winnie, TXAcft 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 FTW88DRD04Accident · Minor injuriesFinal reportGrumman G-164A · Rayne, LAThe 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 FTW88DRD02Accident · No injuriesFinal reportGrumman G-164A · Jennings, LAThe 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 FTW87DQG03Accident · Serious injuriesFinal reportSchweizer G-164-A · Seminole, TXDuring 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 FTW87DRD11Accident · 1 fatalFinal reportGrumman G-164A · Bastrop, LAThree 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 MIA87LA173Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Vaiden, MSThe 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 FTW87DRD05Accident · No injuriesFinal reportGrumman G-164 · Kaplan, LAThe 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 DEN87LA087Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · La Salle, COWhile 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 ATL84LA256Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Adams, TNAfter 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 LAX84LA380Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · El Mirage, AZThe 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,…