NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B
426 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B. 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.
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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 ('3952802'))
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 ('3952802'))
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 FTW88DRA07Accident · No injuriesFinal reportGrumman G-164B · Lissie, TXAcft experienced an eng failure shortly after t/o from a pvt strip. Acft had been recently refueled at the strip. On touchdown, the acft flipped over and slid to a stop. Investigation revealed water in the acft fuel tank and in the fuel supply tank.NTSB MKC88LA062Accident · No injuriesLimited investigationFinal reportGrumman G-164B · West Point, ARThe pilot said, shortly after takeoff, enroute to an aerial application operation, the engine began to lose pwr and began backfiring. He dumped a portion of his load, and made an emergency ldg in a soft, unplanted bean field. After rolling about 200 feet, the…NTSB LAX87DVA12Accident · No injuriesFinal reportGrumman G164B · Buttonwillow, CADuring an aerial application flight, after pulling out of a pass over a field the plt heard a loud bang followed by severe engine vibration. The acft lost power and the pilot made a forced landing in a plowed field. During the landing roll the acft nosed…NTSB MIA87LA254Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Bristol, FLThe eng began losing power as the plt was en route to spray a field. He was unable to maintain altitude, dumped the load of chemicals & prepared for an emerg landing. While he was attempting to reach an open field, the acft collided with 100 foot trees, then…NTSB MKC87LA168Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Holly Grove, ARThe pilot lost control on takeoff roll, ran off the side of the runway and impacted a dirt bank. The aircraft came to rest in an inverted position. Investigation revealed no preimpact mechanical malfunctions/failures.NTSB FTW87DRD14Accident · No injuriesFinal reportGrumman G-164B · Oak Grove, LAAfter completing the last pass of an agricultural operation the pilot pulled up and started a turn. At this time the engine started shaking and losing power. The pilot attempted a forced landing in a soft field. The wheels bogged four or five inches into the…NTSB LAX87DVA10Accident · No injuriesFinal reportGrumman G-164B · Taft, CADuring a repositioning flight, the plt landed the aircraft on a dirt road. During the landing roll the left wing struck an irrigation standpipe. The aircraft turned rapidly which collapsed the main landing gear. There were no mechancial failures or…NTSB FTW87DRA06Accident · No injuriesFinal reportGrumman G-164B · Beaumont, TXDrg the initial climb after takeoff, the eng began losing RPM & the plt was unable to return to the arpt. He selected a pasture area for an emerg landing, but the eng contd losing power. While landing on soft terrain with tall wet grass, the acft nosed over.…NTSB MKC87LA133Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Mcdougal, ARThe ag airplane was on takeoff roll when the pilot smelled smoke in the cockpit. He stopped the airplane and turned off the fuel and switches before evacuating the airplane. He said the flames were coming from the cowling around the engine. Due to the total…NTSB FTW87DRA03Accident · No injuriesFinal reportGrumman G-164B · Egypt, TXAcft experienced a power loss drng an aerial app maneuver. During the ensuing emerg lndg, the left wing struck high weeds on the shoulder of a road, veered left into a ditch, and flipped over. Investigation revealed no. 7 cylinder had a pre-existing crack in…NTSB MKC87LA095Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Brinkley, ARThe acft had 100 gallons of water onboard for the ag training flt. The plt has completed one spray pass and was half way through the turnaround when the acft stalled. It collided with the ground and flipped forward to the inverted position. The plt listed 80…NTSB LAX87DVG03Accident · No injuriesFinal reportGrumman G-164B · Marysville, CAAt the end of an aerial application flt, the plt was aware of a cross wind from the right. The plt touched the acft down on the right main landing gear and held that attitude for aprx 300 ft down the rwy. When the left main gear contacted the rwy it folded…NTSB SEA87LA067Accident · No injuriesLimited investigationFinal reportGrumman G164B · Reubens, IDDuring takeoff run the aircraft veered to the right of the runway, struck a ditch, and then nosed over inverted. The pilot found that the right dowel pin on the right main gear had broken. The reason for the failure could not be determined.NTSB MKC87LA028Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B-600 · Earle, ARThe pilot stated that the powerplant was performing normally during initial climb when, suddenly, the engine experienced a power loss after backfiring. Immediate remedial action resulted in a partial power output but not enough to sustain flight. Emergency…NTSB MKC87LA011Accident · No injuriesLimited investigationFinal reportGrumman G164B · Memphis, MOThe aerial application acft was en route to seed a wheat field when smoke came into the cockpit. The plt made a precautionary landing on a blacktop road. The road was the best available, but was not adequate and acft flipped forward to the inverted position.…NTSB MIA86FA202Accident · 1 fatalField investigationFinal reportGrumman G-164B · Sidon, MSThe 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 MIA86FA200Accident · 1 fatalField investigationFinal reportGrumman G-164B · Vega Baja, PRThe 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 FTW86LRD15Accident · No injuriesFinal reportGrumman G-164B · Church Point, LAThe acfts left wingtip caught in weeds during takeoff and the acft was pulled left. The plt had turned to avoid a wet spot on the airstrip and contacted the high weeds then swerved into a rice levee.NTSB FTW86LA113Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Palacios, TXDuring the ground run portion of the takeoff, the acft contacted a mud hole which resulted in it veering off the grass and into bushes alongside the strip. The plt did not select suitable terrain for the takeoff.NTSB FTW86LRD16Accident · No injuriesFinal reportGrumman G-164B · Abbeville, LAThe pilot stated he made a successful forced landing, due to loss of power, and then had to flip the aircraft to prevent colliding with a lateral (above ground irrigation system) with a water depth of about four feet. Subsequent engine examination revealed…NTSB MKC86LA086Accident · No injuriesLimited investigationFinal reportGrumman G164B · Advance, MOThe airplane was being operated as an agricultural aircraft when the engine started backfiring and then quit. During the forced landing in a plowed field, the airplane flipped forward to the inverted position. Investigation revealed the teeth on the left…NTSB LAX85LA360Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Tolleson, AZAccording to the pilot,the engine lost partial power while in cruise flt. He selected a cotton field in which to make a precautionary lng. The aircraft over shot the intended landing area and impacted a utility pole. The collision ruptured the fuel system and…NTSB ATL85LA233Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Leesburg, GAThe aircraft suffered a loss of power due to water in fuel and made an emergency landing in a field. During landing roll the aircraft collided with trees at the end of the field.NTSB DEN85LA195Accident · No injuriesLimited investigationFinal reportSchweizer G-164B-600 · Riverton, WYThe plt was crop spraying a field in a Schweizer ag-cat acft when the left landing wire broke. The plt returned to Riverton, WY. During the landing roll, in attempt to stop the acft as soon as possible, he inadvertently applied the brakes too hard, causing…NTSB CHI85LA265Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Thief River Fl, MNThe acft collided with the ground shortly after takeoff about 800 ft from the end of the rwy. The plt stated that at about 5 pt afl the acft stalled and fell into a field off the end of the rwy.NTSB SEA85LA146Accident · No injuriesLimited investigationFinal reportGrumman 164B · Twin Falls, IDA partial loss of power occurred during aerial application due to a crack around one of the cylinders. While the plt was attempting to dump chemicals, the acft settled onto the ground tearing off the rt main gear. The plt then flew on to Twin Falls to land.…NTSB MKC84LA255Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Marianna, ARThe landing gear contacted the bean crop which was being sprayed with sodium chlorate and the acft nosed over.NTSB FTW84LA349Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tallulah, LAAfter 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 LAX84LA423Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Maricopa, AZThe 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 LAX84LA417Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Delhi, CAThe 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 MKC84LA211Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Roe, ARAs a result of a supercharger failure, a partial power loss was experienced during a swath run. During the landing roll after a forced landing, the acft nosed over & came to rest inverted. An eng teardown revealed that both supercharger bearings had failed…NTSB MKC84LA214Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Brule, NEAccording to the pilot, during the swath run the left wing dropped and the acft flew into the corn field. Density altitude was aprx 5,200 ft.NTSB MKC84LA181Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Campbell, MOPIC 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 SEA84LA133Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B-450 · Pullman, WAAfter making a swath run, the acft entered a steep turn with an airspeed of about 75 mph. According to two witnesses, the eng lost power & then the acft crashed. The plt was unable to remember what had happened from the time he entered the turn until he…NTSB LAX84LA338Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tracy, CAThe acft lost power during takeoff & nosed over in a wheat field. An exam revealed that the #7 cylinder head was cracked from the rear spark plug hole, 3/4 of the circumference around the exhaust valve.NTSB MKC84LA158Accident · No injuriesLimited investigationFinal reportSchweizer G164B · Ellinwood, KSWhile 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 MKC84LA148Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Humnoke, ARPlt stated he noticed a vibration in the acft on two flts prior to the accident flt. Plt felt forward pressure on the stick so he attempted to trim the acft. The acft nosed forward colliding with the terrain. Inspection disclosed no preimpact…NTSB MKC84LA143Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Silver Creek, NEThe plt stated he was making an end pass while spraying a pasture & collided with a hilltop on the opposite side of a draw. This occurred while the sun was obstructing his vision.NTSB ATL84LA171Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Rosedale, MSThe plt was transporting the acft to a newly constructed, private ag strip to begin aerial application. During the landing roll, one of the main landing gear rolled into a soft spot & sank into the ground, then the acft nosed over.NTSB CHI84LA149Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Leesburg, OHThe plt decided to land in a hay field to talk to the farmer about the aerial seeding operation he was conducting. During the landing the plt said the acft hit a soft spot in the field and nosed over.NTSB ATL84FA105Accident · 1 fatalField investigationFinal reportGrumman G-164B · Dawson, GAA 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 MIA84LA060Accident · Minor injuriesLimited investigationFinal reportGrumman AG-CAT · Homestead, FLThe acft crashed during a forced landing after the engine lost power. Investigation revealed that that # 8 cylinder failed. The original cracking was determined to be from fatigue.NTSB LAX84LA084Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Madera, CAAt about 75 ft AGL in a procedure turnaround the acft stalled & collided with orange trees.NTSB LAX83LA464Accident · No injuriesLimited investigationFinal reportGrumman 164B · Tracy, CAThe acft crashed during a forced landing shortly after takeoff when the engine lost power at about 10 ft AGL. Heavy rainhad fallen the night before and the acft are generally parked outside. After the engine lost power the plt landed off the end of the rwy…NTSB SEA83LA206Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Selah, WAWhile landing on a road, during an aerial application operation, the acft nosed over. According to the plt, the brakes had not released after he had released the toe brakes. He reported that he found the parking brake midway between the on & off positions.NTSB ATL83LA370Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Berry, ALThe acft dragged a wing during takeoff and collapsed the right main gear in the process. After liftoff the plt said the left wing dipped and contacted soybeans at the end of the rwy. He said he overcontrolled and rolled the right wing into the beans. He…NTSB FTW83LA405Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · East Bernard, TXDuring takeoff, the eng had a partial loss of power after the acft lifted off. The plt reported that he dumped his load of defoliant, but the acft would not climb. Subsequently, it settled & collided with brush & trees. The plt attributed the power loss to a…NTSB FTW83LA402Accident · No injuriesLimited investigationFinal reportGrumman G-164B · North Lacassine, LAThe plt reported that during the landing, the left wing struck tall grass at the side of the strip & the acft swerved to the left. He tried to correct the situation by applying right braking action, but his braking was ineffective on wet grass. Subsequently,…NTSB LAX83LA407Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Poston, AZDuring takeoff from the unlighted strip the acft went off the right side. The right main landing gear went into the softsandy shoulder & the acft flipped over.NTSB FTW83LA391Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Lissie, TXThe acft ran into a ditch during takeoff and collapsed the landing gear. The plt said he was steering around some mud holes when the wing became entangled in high grass alongside the rwy. The acft groundlooped off the rwy into a ditch. The wings and landing…