NTSB investigations: Schweizer SGS 2-33A, 1990
5 cases on aircraft the registry lists as Schweizer SGS 2-33A. 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
| 1968 | 1 |
|---|---|
| 1969 | 6 |
| 1970 | 5 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 8 |
| 1974 | 5 |
| 1975 | 11 |
| 1976 | 7 |
| 1977 | 17 |
| 1978 | 12 |
| 1979 | 6 |
| 1980 | 6 |
| 1981 | 7 |
| 1982 | 3 |
| 1983 | 9 |
| 1984 | 5 |
| 1985 | 5 |
| 1986 | 7 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 3 |
| 1990 | 5 |
| 1991 | 5 |
| 1992 | 5 |
| 1993 | 4 |
| 1994 | 5 |
| 1995 | 5 |
| 1996 | 5 |
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 4 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 5 |
| 2008 | 4 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
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 year(c.\"eventDate\") = 1990
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606'))
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") = 1990
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606'))
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 NYC90LA168Accident · Minor injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Gt. Barrington, MAThe pilot's failure to maintain adequate clearance from tree during the precautionary landing. Factor was a loss of thermal lift.NTSB FTW90DPJ09Accident · No injuriesFinal reportSchweizer SGS 2-33A · Norman, OKThe pilot's misjudgement of proper glidepath.NTSB DEN90LA086Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Morgan, UTSeparation of the tow rope and the pilot's failure to establish an appropriate descent rate as he returned to land. Contributing to the accident were the tailwind and the unsuitable terrain for landing beyond the runway end.NTSB NYC90LA082Accident · Serious injuriesLimited investigationFinal reportSchweizer S2-33A · Brookhaven, NYCause of the accident was a hard landing after the pilot stalled the glider while turning onto final approach.NTSB NYC90LA046Accident · Minor injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Kutztown, PAImproper decision of the glider pilot to exit the glider without positive assurance that the tow pilot had received his signal or that the glider was released from the tow plane. A related factor to the accident was: the lack of crew coordination between the…