NTSB investigations: Schweizer SGS 2-33A

7 cases on aircraft the registry lists as Schweizer SGS 2-33A, where the first occurrence was “In flight encounter with weather”. 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

19842026
NTSB investigations: Schweizer SGS 2-33A per year, 1984–2026: 7 cases
19841
19851
19861
19871
19891
19971
19991

Latest 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 ('8051606')
      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\" = 240))
  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.

NTSB LAX00LA009Accident · No injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Waialua, HIThe pilot's delay in recognizing the onset of a wind direction change resulting in the downward flow of wind on the leeward side of the mountain (strong sink rate).Oct 14, 1999 · N17914 · Substantial damageNTSB MIA97LA074Accident · Minor injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Clermont, FLthe pilot's improper planning/decision by electing to be towed aloft with a cold front nearby, which resulted in an in-flight encounter with wind gusts from the nearby cold front and subsequent in-flight collision with trees.Jan 25, 1997 · N233HH · Substantial damageNTSB LAX89LA188Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Haleiwa, Oahu, HIThe pilot's failure to adequately compensate for wind conditions and the failure to maintain sufficient altitude to clear obstacles. Contributing to the accident were the downdrafts along the ridge line.Jun 29, 1989 · N2059T · Substantial damageNTSB SEA87LA071Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Issaquah, WADuring a local training flight a downdraft was encountered. At about two miles from the airport the acft was at about 200 feet MSL. The instructor plt decided to land the acft on a field. On short final the acft struck a barbed wire fence prior to touchdown.Mar 29, 1987 · N33924 · Substantial damageNTSB LAX86LA187Accident · No injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Hemet, CAA glider struck wires while on final apch to a field. The plt indicated that he was towed to an alt of 5,000 ft MSL (aprx 3,500 ft AGL). On release, he encountered a downdraft of more than 500 ft per minute and was only able to stay airborne 6 to 7 minutes.…Apr 23, 1986 · N2032T · Substantial damageNTSB BFO85LA053Accident · Serious injuriesLimited investigationFinal reportSchweizer 2-33A · Warrenton, VAAfter liftoff both the PIC and the plt getting checked out in the Schweizer sgs 2-33A stated that they encountered moderate turbulence in the area. When the sailplane reched approximately 200 ft AGL the tom rope separated from the aircraft and N65818 was…Jul 7, 1985 · N65818 · Substantial damageNTSB NYC84LA242Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Thomaston, CTThe glider made an off-arpt landing after encountering unexpected strong head winds in a rapidly changing flow of marineair. The acft cleared obtacles on final but yawed and landed in a crab condition damaging the fuselage and wing tip wheel.Jul 15, 1984 · N65805 · Substantial damage