NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B
10 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B, where the sequence of events included Low altitude operation/event. 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 |
|---|---|
| 2010 | 2 |
| 2013 | 1 |
| 2020 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 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 ('3952802')
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\" = '220' 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 ('3952802')
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" = '220' 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 CEN25LA231Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lockport, LAThe pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.NTSB WPR24LA282Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Durham, CAThe pilot’s failure to maintain clearance from powerlines, which resulted in a wire strike.NTSB CEN24LA257Accident · Minor injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Sedgwick, ARThe pilot’s failure to maintain clearance from a power line during the spray pass.NTSB CEN23LA212Accident · Minor injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Light, ARThe pilot exceeding the climb capability of the airplane during takeoff which led to it settling into the ground.NTSB WPR23LA120Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Vernalis, CAThe pilot’s failure to maintain clearance from a power line during a low-level aerial application flight.NTSB CEN20CA347Accident · Minor injuriesClass 4 · Data collectionFinal reportGrumman G164 · Scottsbluff, NEThe pilot’s loss of visual reference during agricultural low-level flight, resulting in collision with power lines.NTSB CEN13LA322Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Covington, OKThe airplane’s failure to climb after takeoff for reasons that could not be determined because postaccident examinations of the engine and airframe did not reveal any anomalies that would have precluded normal operation.NTSB CEN10CA402Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Independence, IAThe pilot's failure to pay attention to the power lines and his subsequent failure to maintain clearance from the corn field during the aerial application flight.NTSB WPR10CA289Accident · Serious injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Courtland, CAThe pilot's failure to maintain clearance from terrain during low-altitude maneuvers.NTSB LAX08CA223Accident · Minor injuriesData collectionFinal reportGrumman Acft Eng G-164B · Patterson, CAThe pilot's failure to maintain clearance from obstacles while maneuvering.