Fatal NTSB investigations: Schweizer SGS 1-26A

6 cases on aircraft the registry lists as Schweizer SGS 1-26A. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

Fatal NTSB investigations: Schweizer SGS 1-26A per year, 1964–2026: 6 cases
1964	1
1965	1
1970	2
1974	1
1988	1

Where

Open the map

Latest cases

Query with SQL

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."highestInjuryLevel" = 'Fatal' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050116')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050116'))
  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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050116'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 LAX88LA247Accident · 1 fatalLimited investigationFinal reportSchweizer SGS-1-26A · Montague, CADuring a pleasure flight, the last transmission by the pilot stated he was going to see what the glider could do besides straight and level flight. Witnesses in the area reported that they heard a loud pop and observed the glider, minus the left wing, in a…Jul 1, 1988 · N2726Z · Destroyed NTSB OAK74AP028Accident · 1 fatalClosedSchweizer SGS126 · Piedra, CAJan 12, 1974 · N3833A · Destroyed NTSB LAX71AL003Accident · 1 fatalClosedSchweizer SGS126 · Romoland, CAJul 18, 1970 · N8681R · Destroyed NTSB OAK70AP045Accident · 1 fatalClosedSchweizer SGS126 · Fremont, CAMar 8, 1970 · N2711Z · Destroyed NTSB CHI66F0407Accident · 1 fatalClosedSchweizer SGS126 · Ramsey, INOct 31, 1965 · N8633R · Substantial damage NTSB UNK64X0606Accident · 1 fatalClosedSchweizer 126A · Elsinore, CAFeb 19, 1964 · N3876A · Destroyed