NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A
20 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the sequence of events included Collision with terr/obj (non-CFIT). 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 | 4 |
|---|---|
| 2009 | 3 |
| 2011 | 3 |
| 2012 | 2 |
| 2013 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2019 | 1 |
| 2022 | 1 |
| 2023 | 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\" = '470' 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" = '470' 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 WPR23LA305Accident · 1 fatalClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Davis, CAAn inflight loss of control during a low altitude operation for undetermined reasons.NTSB ERA22LA297Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman G-164A · Hopewell Township, NJA partial loss of engine power while maneuvering at low altitude due to a failure of the airplane’s supercharger.NTSB GAA19CA270Accident · No injuriesData collectionFinal reportGrumman G164 · Lane City, TXThe pilot's failure to maintain clearance from power lines during low-altitude maneuvering.NTSB ERA16LA319Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Chestertown, MDLoss of engine power due to a failure of the No. 3 cylinder head, which resulted in a forced landing and collision with ground equipment.NTSB CEN16CA277Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Topeka, KSThe pilot’s failure to maintain clearance from a wire during an agricultural flight.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 WPR15LA160Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Maxwell, CAThe pilot’s improper preflight inspection and fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN13LA422Accident · Serious injuriesLimited investigationFinal reportGrumman Aircraft Cor-Schweizer G-164A · Elmira, MIThe pilot's failure to maintain clearance from a line of trees while applying agricultural product to a field.NTSB CEN12LA440Accident · 1 fatalLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Darksville, MOThe pilot did not maintain clearance from a tree line at the completion of an agricultural spray run.NTSB WPR12LA233Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Wilton, CAThe failure of the hopper gate mechanism and subsequent sulfur fire during a low-level maneuver.NTSB CEN11LA563Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Mansfield, SDThe loss of engine power due to debris in the engine air intake system.NTSB WPR11LA238Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Hazelton, IDA total loss of engine power during low-level maneuvering due to an excessively worn carburetor.NTSB ERA11CA260Accident · Minor injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Belhaven, NCThe pilot's failure to maintain adequate clearance above crops while performing an aerial application flight.NTSB CEN09LA574Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Kimball, NEA loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.NTSB CEN09CA522Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Evansville, WIA jam of the elevator flight control for undetermined reasons.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 SEA08CA183Accident · Minor injuriesData collectionFinal reportGrumman Acft Eng G-164A · Hazelton, IDThe pilot's inadequate compensation for the tailwind and failure to attain and maintain airspeed, which resulted in an inadvertent stall. The tailwind was a contributing factor.NTSB DFW08CA195Accident · Minor injuriesData collectionFinal reportGrumman 164A · Lake Providence, LAThe pilot's failure to maintain control of the airplane while maneuvering during an aerial application. Contributing to the accident was the wind gust.NTSB DEN08CA091Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164A · East Bernard, TXTwo engine cylinder exhaust valves stuck open for an undetermined reason, resulting in a loss of engine power.NTSB SEA08CA093Accident · Minor injuriesData collectionFinal reportGrumman G-164A · Dayton, WAThe pilot's inadequate compensation for the wind conditions and failure to maintain an adequate airspeed. A contributing factor was the sudden windshift.