NTSB investigations: Schweizer SGS 1-26B, 1968

7 cases on aircraft the registry lists as Schweizer SGS 1-26B. 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

NTSB investigations: Schweizer SGS 1-26B, 1968 per year, 1964–2026: 65 cases
1964	2
1965	1
1966	6
1967	2
1968	7
1969	1
1970	4
1971	3
1972	2
1973	4
1974	1
1975	3
1976	2
1977	4
1980	2
1982	1
1983	3
1985	2
1986	1
1990	2
1995	2
1997	1
2001	1
2002	1
2004	1
2005	1
2010	1
2011	1
2015	2
2025	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 year(c."eventDate") = 1968 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050118')) 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 year(c.\"eventDate\") = 1968
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050118'))
  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 year(c."eventDate") = 1968
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8050118'))
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 DIA69D0060Accident · No injuriesClosedSchweizer SGS126 · Leesburg, VAAug 27, 1968 · N5705S · Substantial damage NTSB SEA69D0093Accident · Minor injuriesClosedSchweizer SGS126 · Hailey, IDAug 24, 1968 · N2736Z · Substantial damage NTSB OAK69D0087Accident · No injuriesClosedSchweizer SGS126 · Fremont, CAAug 18, 1968 · N2769Z · Substantial damage NTSB LAX69F0048Accident · Serious injuriesClosedSchweizer SGS126 · Adelanto, CAJul 28, 1968 · N5830V · Substantial damage NTSB NYC69D0037Accident · No injuriesClosedSchweizer SGS126 · Toughkenamon, PAJun 8, 1968 · N8683R · Substantial damage NTSB CHI69F0069Accident · Serious injuriesClosedSchweizer SGS-1 · Lawrenceville, ILMay 19, 1968 · N8652R · Substantial damage NTSB FTW68D0442Accident · No injuriesClosedSchweizer SGS126 · Rockwall, TXFeb 11, 1968 · N8682R · Substantial damage