NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A
22 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the first occurrence was “Loss of control - in flight”. 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 | 1 |
|---|---|
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 2 |
| 1986 | 2 |
| 1988 | 2 |
| 1992 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2002 | 1 |
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\" = 250))
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" = 250))
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 FTW02LA221Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · New Roads, LAThe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin of the airplane.NTSB MIA00LA245Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Berlin, GAthe pilot's failure to maintain adequate airspeed resulting in an inadvertent stall and collision with terrain.NTSB DEN99LA169Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164A · Animas, NMA inadvertent stall during initial climb following takeoff. Factor were: high gross weight, high density altitude, inadequate preflight planning and preparation, and soft terrain.NTSB LAX99LA180Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Maxwell, CAFailure of the pilot to attain and maintain the proper reference climb airspeed during the rotation and initial climb, which resulted in a stall/mush condition.NTSB FTW97LA136Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Swifton, ARthe pilot's improper in-flight planning/decision and failure to maintain positive control of the airplane, while performing an aerobatic maneuver.NTSB FTW95LA263Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cheneyville, LAThe pilot's failure to maintain adequate airspeed at a low altitude.NTSB FTW95LA197Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Abbeville, LAThe inadvertent stall.NTSB FTW94LA211Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dumas, ARThe pilot's failure to establish the proper airspeed before beginning a turn after takeoff.NTSB CHI92DTG03Accident · No injuriesFinal reportGrumman G-164A · Orr, NDA stall encountered during the spray run reversal turn. Factors related to the accident are the attempted downwind turn, and insufficient altitude for recovery.NTSB NYC92LA102Accident · No injuriesLimited investigationFinal reportGrumman 164A · Bridgeton, NJThe pilot's improper application of takeoff power which resulted in a lengthened takeoff roll, and his subsequent steep turn to avoid an obstacle causing the airplane to stall at a low altitude.NTSB MKC88LA104Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Hickory Ridge, ARWhile executing a standard procedure aerial application turn around maneuver, the acft began to settle. The plt dumped his remaining chemical load, but acft continued to settle, and mushed into the trees. Post accident fire destroyed the acft, but the plt…NTSB DEN88DTE04Accident · No injuriesFinal reportGrumman G-164A · Vona, COThe pilot said the wind was calm when he got in the aircraft before takeoff. He said that when the aircraft reached about 50 feet AGL, after takeoff, he encountered a tailwind. The aircraft settled and collided with the ground. The ground was soft and the…NTSB MIA87FA022Accident · 1 fatalField investigationFinal reportGrumman G-164A · Orlando, FLWhile the plt was making a banner pick-up, witnesses saw the acft engage the banner & enter a climb. The plt released the banner, then the acft mushed into a partially built hangar, crashed & burned. The plt, who was on fire, exited the rgt canopy hatch.…NTSB MKC86LA122Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Bayard, NEThe plt stated he encountered downdrafts near trees he was going to overfly while in a turnaround maneuver to spray crops. Instead of flying over the trees, the plt stated that the acft descended into the ground near the trees while in the turn. Wind…NTSB ATL85LA269Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Tunica, MSThe plt stated that during aerial application maneuver he allowed the airspeed to get too low and the acft settled into a soy bean field. The left wing contacted the crop and the acft cartwheeled.NTSB FTW85LA271Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Tallulah, LADuring initial climb after takeoff, the ag plt realized that he could not clear wires at the end of the rwy. The plt dumped his load of fertilizer and attempted to maneuver around the wires, however during the maneuver, the acft stalled. Investigation…NTSB MKC84LA226Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Steele, MOThe pilot stated that after takeoff, at an altitude of 50 ft AGL he reduced the engine power. Shortly thereafter, the acft stalled and touched down on the rwy. He stated he applied excessive brake pressure to stop the acft and it nosed over on the rwy.NTSB FTW84LA194Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Beaumont, TXThe acft stalled during a turn around between swath runs. The pilot stated that he was unable to recover because there was not sufficient alt.NTSB FTW84LA145Accident · 1 fatalLimited investigationFinal reportGrumman G-164A · Abbeville, LAThe plt was employed as a professional corporate & charter plt; however, he had not flown agricultural acft in several years. He had receently purchased half interest in the air sevice & was on his 1st refresher flt since then. While the plt was practicing a…NTSB FTW83LA235Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Stuttgart, ARAfter loading the acft with 50 gal of water, the plt took off to conduct aerial applicaiton maneuvers & to calibrate the acft's spray boom. At the end of the 1st swath run on a westerly heading, he pulled up over a power line, turned 90 deg right, reversed…NTSB MIA83LA135Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Clewiston, FLThe plt had just washed the acft & went for a short local flt to dry it. He made a low pass at the arpt & the acft stalled during the pull-up.NTSB FTW82DA179Accident · Minor injuriesFinal reportGrumman G-164A · Farmington, NMOn takeoff for an aerial application flight at maximum gross weight the aircraft began to settle. The aircraft impacted the ground in a slightly nose-down attitude. Investigation revealed the accident site elevation was 5300 feet MSL and the takeoff was made…