NTSB investigations: Schweizer SGS 2-33A

19 cases on aircraft the registry lists as Schweizer SGS 2-33A, where the first occurrence was “Undershoot”. 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

19822026
NTSB investigations: Schweizer SGS 2-33A per year, 1982–2026: 19 cases
19822
19834
19851
19861
19871
19882
19931
19941
19951
19962
19971
20051
20071

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\" = 390))
  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 SEA08CA011Accident · No injuriesData collectionFinal reportSchweizer SGS 2-33A · Tehachapi, CAThe pilot's misjudged distance/altitude that led to an undershoot, and his failure to attain the proper touchdown point.Oct 15, 2007 · N17888 · Substantial damageNTSB CHI05CA119Accident · No injuriesData collectionFinal reportSchweizer SGS 2-33A · Beloit, WIThe pilot's misjudgment of distance/altitude which resulted in an undershoot of the runway and collision with trees.May 21, 2005 · N65855 · Substantial damageNTSB CHI98LA013Accident · Minor injuriesLimited investigationFinal reportSchweizer FGS-233 · Ionia, MIthe pilot misjudged the landing approach which resulted in his failure to attain a proper touchdown point. A factor was the trees.Oct 12, 1997 · N5762S · Substantial damageNTSB LAX97LA024Accident · No injuriesLimited investigationFinal reportSchweizer 2-33-A · Los Alamitos, CAThe student pilot's failure to properly handle the glider, and the instructor pilot's inadequate supervision.Oct 20, 1996 · N65844 · Substantial damageNTSB NYC96LA104Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Readington, NJthe pilot's inadequate evaluation of the weather, and his misjudgment of altitude and distance from the runway. Contributing factors were the pilot's lack of recent experience and the weather.May 11, 1996 · N17957 · Substantial damageNTSB LAX95LA164Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Peoria, AZthe pilot's misjudged evaluation of the weather, and his inadequate compensation for the gusting winds and downdrafts.Apr 7, 1995 · N7758S · Minor damageNTSB BFO94LA123Accident · No injuriesLimited investigationFinal reportSchweizer 2-33 · Waynesville, OHThe instuctors inadequate supervision of the student who misjudged distance/altitude.Jun 29, 1994 · N65807 · Substantial damageNTSB BFO93LA095Accident · Minor injuriesLimited investigationFinal reportSchweizer SGS-233A · Johnson City, NYImproper planning/decision by the flight crew. Factors related to the accident were: the downdraft on final approach, the terrain conditions (cliff & obstructions) near the approach end of the runway, and the lack of relative experience for each of the pilots.May 21, 1993 · N17870 · Substantial damageNTSB LAX88LA209Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Vacaville, CAAt the end of a pleasure flt, the plt extended the downwind leg for landing, thinking that the touchdown altitude was 12 ft instead of, in actuality, 220 ft. the plt normally flew out of another airport with an alt of 12 ft. from the extended downwind, the…Jun 3, 1988 · N7768S · Substantial damageNTSB LAX88LA145Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Warner Springs, CAMar 27, 1988 · N2655H · Substantial damageNTSB CHI88LA016Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Union, ILThe glider was approaching to land when, according to the pilot, he noticed the aircraft was descending 'too fast' and his airspeed was 'too slow'. The pilot then realized he wasn't going to make the runway and decided to land the glider in a nearby field.…Oct 25, 1987 · N1219S · Substantial damageNTSB DEN86LA226Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Durango, COThe plt was attempting to land his glider. He said that he was unable to reach the airport and elected to land in a nearby pasture. Prior to touchdown he discovered some cattle in the field but was unable to avoid a collision with one of the animals. The…Aug 9, 1986 · N7590 · Substantial damageNTSB NYC85LA191Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Plymouth, MAThe aircraft was towed to an alt of 3000 ft. the plt set up for landing and entered the pattern at the initial point at about 1200 ft. the apch went normally until the base leg. After turning onto the base leg, the plt experienced a high sink rate. The plt…Jul 24, 1985 · N2039T · Substantial damageNTSB MKC83LA227Accident · Serious injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Warrensburg, MOThe glider landed short of the rwy hitting a rough hump which was an old fence line. The glider bounced & landed hard on the rwy. The pax was hospitalized for 4 days for observation & treatment.Sep 29, 1983 · N7776S · No damageNTSB DEN83LA210Accident · No injuriesLimited investigationFinal reportSchweizer SGS 2-33A · Durango, COAfter releasing from an aerial tow about 2,000 ft AGL, the plt was unable to find lifting thermals. The glider began to descend about 800 fpm so the plt maneuvered to return to the airstrip. The glider collided with several small trees short of the rwy.Sep 4, 1983 · N7590 · Substantial damageNTSB NYC83LA154Accident · No injuriesLimited investigationFinal reportSchweizer 2-33 · Freeport, PAThe glider collided with a fence during landing. The glider had experienced loss of lift shortly after a release from tow at 2500 ft AGL. Heavy sink and alt loss was encountered and continued. The pilot started a long straight in final approach to land but it…Jun 5, 1983 · N65859 · Substantial damageNTSB NYC83LA099Accident · No injuriesLimited investigationFinal reportSchweizer SGS-2-33A · Erwinna, PAThe glider was on a dual instructional flight for landing practice. On the final approach to landing the glider lost lift after experiencing excessive sink and clipped the tops of trees. The glider landed short of the intended area and the wings and nose of…Apr 17, 1983 · N2706H · Substantial damageNTSB NYC82DFJ19Accident · No injuriesFinal reportSchweizer 2-33A · Elmira, NYThe plt stated he was too high on base & started slipping to lose excessive altitude. He lost too much altitude & speed,striking the ground short of the rwy.Aug 28, 1982 · N65850 · Substantial damageNTSB DEN82DA064Accident · No injuriesFinal reportSchweizer SGS-2-33A · Colorado Spring, COThe student pilot reported that he came over the airport at about 1200 ft AGL to enter a downwind for landing. He stated that he encountered a moderate to strong sink and strong southerly winds. He estimated that the wind velocity was 45 to 50 mph at 1000 ft…Apr 17, 1982 · N2045T · Substantial damage