NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B
19 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164B, 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 | 2 |
|---|---|
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 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 ('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\" = '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 ('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" = '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 CEN23LA228Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164 · Saffell, ARThe airplane’s encounter with a dust devil after takeoff, which resulted in a loss of lift, and a subsequent loss of control. Contributing to the accident was the presence of a dust devil in the airplane’s flight path.NTSB CEN21LA296Accident · No injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Hoxie, ARThe pilot’s failure to ensure an adequate fuel supply for the intended flight.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 WPR15LA230Accident · No injuriesLimited investigationFinal reportGrumman G164 - B · Princeton, CAThe loss of engine power during an agricultural application flight due to a cylinder failure.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 ERA14LA321Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Farmington, DEThe pilot's inadequate preflight planning for a takeoff in high-density altitude conditions and his decision to reduce power during the initial climb, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB CEN13LA551Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Clemville, TXThe uncommanded inflight application of parking brake due to a loose valve, which resulted in a noseover during landing.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 WPR11LA384Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Oakesdale, WAThe pilot's decision to land with a high tailwind, which resulted in a nose-over.NTSB WPR11CA128Accident · No injuriesData collectionFinal reportSchweizer G-164B · Buttonwillow, CAThe pilot's failure to maintain clearance from an irrigation vent pipe.NTSB CEN10CA426Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Alexandria, LAThe loss of engine power for undetermined reasons.NTSB ERA10CA313Accident · Serious injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Mayfield, KYThe pilot's improper recovery from a bounced landing, resulting in a nose-over.NTSB WPR10LA122Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Pullman, WAA partial loss of engine power during takeoff due to a bird's nest being sucked into the induction air ducting.NTSB CEN09LA451Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Beaman, IAThe loss of engine power during initial climb for undetermined reasons.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.