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 first occurrence was “Nose over”. 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
| 1982 | 1 |
|---|---|
| 1983 | 1 |
| 1984 | 2 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1998 | 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 300))
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 300))
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 FTW98LA218Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Dumas, ARThe pilot's improper activation of the parking brake.NTSB LAX94LA205Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Robbins, CAThe pilot's improper use of the brakes.NTSB CHI93LA263Accident · No injuriesLimited investigationFinal reportGrumman G164B · Wyndmere, NDthe pilot's decision to land on unsuitable terrain. Factors in the accident are the wet and soft turf runway.NTSB FTW92LA090Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Roanoke, LAThe locking of the main landing gear brakes.NTSB LAX91LA299Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Crows Landing, CAThe pilot Landing his airplane erroneously on the wrong Landing surface. Factors in this accident were: sunglare and its interference with the pilot's vision and the soft terrain.NTSB MKC89LA070Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Griffithville, ARThe failure of the pilot to assure suitable terrain was being used for the landing.NTSB ATL84LA171Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Rosedale, MSThe plt was transporting the acft to a newly constructed, private ag strip to begin aerial application. During the landing roll, one of the main landing gear rolled into a soft spot & sank into the ground, then the acft nosed over.NTSB CHI84LA149Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Leesburg, OHThe plt decided to land in a hay field to talk to the farmer about the aerial seeding operation he was conducting. During the landing the plt said the acft hit a soft spot in the field and nosed over.NTSB SEA83LA206Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Selah, WAWhile landing on a road, during an aerial application operation, the acft nosed over. According to the plt, the brakes had not released after he had released the toe brakes. He reported that he found the parking brake midway between the on & off positions.NTSB ATL82DA230Accident · No injuriesFinal reportGrumman G164B · Opp, ALThe pilot reported that while he was spraying, vibrations occurred in the left flying wires. He had experienced the vibrations before, but this time, they seemed worse, he elected to land in a nearby pasture to examine the aircraft. During the landing…