NTSB investigations: Schweizer SGS 1-23H-15
9 cases on aircraft the registry lists as Schweizer SGS 1-23H-15. 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
| 1970 | 1 |
|---|---|
| 1971 | 1 |
| 1973 | 1 |
| 1981 | 2 |
| 1988 | 1 |
| 2013 | 1 |
| 2018 | 1 |
| 2024 | 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 ('8050112'))
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 ('8050112'))
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 CEN24LA219Accident · Serious injuriesClass 4 · LimitedFinal reportSchweizer SGS 1-23H-15 · Chouteau, OKThe student pilot’s failure to maintain control of the glider while landing. Contributing to the accident was the unclear communications between the student pilot and instructor.NTSB GAA18CA283Accident · No injuriesData collectionFinal reportSchweizer SGS123 · Tunbridge, VTThe student glider’s inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.NTSB ERA13CA245Accident · Minor injuriesData collectionFinal reportSchweizer SGS 1-23H-15 · Yadkinville, NCThe pilot's improper altitude management while maneuvering for an off-airport landing, which resulted in a collision with trees.NTSB NYC88DHD03Accident · Serious injuriesFinal reportSchweizer SGS 1-23H-15 · Hammonton, NJThe glider pilot's failure to avoid the stall/spin encountered during low altitude operation in the traffic pattern.NTSB NYC81DHA22Accident · Minor injuriesClosedSchweizer 1-23H · Blairstown, NJNTSB NYC81FNE27Accident · No injuriesClosedSchweizer 1-23H · Plymouth, CTNTSB OAK73FVD38Accident · Serious injuriesClosedSchweizer SGS-15 · Livermore, CANTSB OAK71AP038Accident · 1 fatalClosedSchweizer SGS123 · Minden, NVNTSB LAX70DVA12Accident · No injuriesClosedSchweizer SGS123 · Mckittrick, CA