NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B
13 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B, where the sequence of events included Loss of engine power (total). 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 | 2 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 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\" = '341' 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" = '341' 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 CEN21LA329Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Amana, IAThe loss of engine power for reasons that could not be determined.NTSB ERA19LA267Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Berlin, MDThe malfunction of the No. 9 pushrod, which resulted in a total loss of engine power.NTSB WPR18LA189Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164B · Colusa, CATotal loss of engine power for reasons that could not be determined based on the available information.NTSB ERA16LA242Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Laurel, DEA total loss of engine power due to an encounter with a bird, which collided with the spray pump fan assembly and subsequently sent blade fragments into the engine compartment, damaging the throttle linkage.NTSB ERA16LA130Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Myakka, FLA total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical anomalies that would have precluded normal operation.NTSB CEN15LA271Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Foster, NEThe total loss of engine power during a low-level aerial application flight due to fuel exhaustion following the pilot’s inadequate preflight inspection that led to his assumption that sufficient fuel was on board for the flight based on his reliance on a…NTSB CEN14LA358Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Garrison, NDExcessive wear between the power turbine shaft and quill shaft spline, which led to the disconnection of the power turbine wheel, an overspeed of the power turbine, and the subsequent loss of engine power. Contributing to the accident was maintenance…NTSB ERA13LA029Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Edison, GAThe total loss of engine power due to the fatigue failure of the k-pin associated with the No. 1 cylinder.NTSB CEN12LA497Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Big Springs, NEThe total loss of engine power as a result of the pilot inadvertently shutting the engine off. Contributing to the accident was the modification to the engine control layout.NTSB WPR10LA396Accident · No injuriesLimited investigationFinal reportGrumman G164 · Tracy, CAA total loss of engine power while maneuvering due to an internal catastrophic failure to the master rod and piston connecting rod links.NTSB WPR09LA227Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Colfax, WAA total loss of engine power due to excessive wear in several carburetor components that led to a malfunction of the carburetor.NTSB CHI08CA240Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164B · Salem, IAThe loss of engine power for an undetermined reason. Contributing to the accident was the high grass encountered during the landing roll.NTSB LAX08LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Wilder, IDThe loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing.