NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A
8 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the sequence of events included Nose over/nose down. 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
| 2008 | 1 |
|---|---|
| 2009 | 1 |
| 2011 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2020 | 1 |
| 2024 | 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_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '096' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '096' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 WPR24LA165Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Rome, ORThe pilot’s failure to maintain airplane control during landing.NTSB WPR20CA159Accident · No injuriesClass 4 · Data collectionFinal reportGrumman G164 · Maxwell, CAThe pilot's delayed decision to abort the takeoff when the airplane was not attaining sufficient airspeed for takeoff and subsequently departed the end of the runway and collided with terrain. Contributing to the accident was the pilot's inadequate preflight…NTSB GAA16CA200Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164 · Madison, KSThe pilot's incorrect brake application during the landing roll, which resulted in a nose over.NTSB GAA15CA113Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Bakersfield, CAThe pilot's failure to maintain directional control during the landing roll, resulting in a runway excursion, and a collision with terrain.NTSB CEN15LA175Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · New Roads, LAThe loss of engine power due to three stuck exhaust valves.NTSB CEN11LA610Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Monette, ARThe fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.NTSB CEN09CA516Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Harlan, IAThe pilot's failure to perform accurate weight and balance calculations which resulted in exceeding the maximum takeoff weight and the airplane's climb capability.NTSB DEN08CA135Accident · No injuriesData collectionFinal reportGrumman G-164A · Walsh, COThe total failure of a cylinder head assembly. Contributing to the accident was the lack of suitable terrain for a forced landing.