# NTSB investigations: Schweizer SGS 2-33A: Undershoot NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB SEA08CA011](https://openairdocs.org/ntsb/SEA08CA011.md): Schweizer SGS 2-33A · Tehachapi, CA · Accident · No injuries · Data collection · Final report · Oct 15, 2007 · N17888 · Substantial damage > The pilot's misjudged distance/altitude that led to an undershoot, and his failure to attain the proper touchdown point. - [NTSB CHI05CA119](https://openairdocs.org/ntsb/CHI05CA119.md): Schweizer SGS 2-33A · Beloit, WI · Accident · No injuries · Data collection · Final report · May 21, 2005 · N65855 · Substantial damage > The pilot's misjudgment of distance/altitude which resulted in an undershoot of the runway and collision with trees. - [NTSB CHI98LA013](https://openairdocs.org/ntsb/CHI98LA013.md): Schweizer FGS-233 · Ionia, MI · Accident · Minor injuries · Limited investigation · Final report · Oct 12, 1997 · N5762S · Substantial damage > the pilot misjudged the landing approach which resulted in his failure to attain a proper touchdown point. A factor was the trees. - [NTSB LAX97LA024](https://openairdocs.org/ntsb/LAX97LA024.md): Schweizer 2-33-A · Los Alamitos, CA · Accident · No injuries · Limited investigation · Final report · Oct 20, 1996 · N65844 · Substantial damage > The student pilot's failure to properly handle the glider, and the instructor pilot's inadequate supervision. - [NTSB NYC96LA104](https://openairdocs.org/ntsb/NYC96LA104.md): Schweizer SGS-2-33A · Readington, NJ · Accident · Serious injuries · Limited investigation · Final report · May 11, 1996 · N17957 · Substantial damage > the 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. - [NTSB LAX95LA164](https://openairdocs.org/ntsb/LAX95LA164.md): Schweizer SGS 2-33A · Peoria, AZ · Accident · Serious injuries · Limited investigation · Final report · Apr 7, 1995 · N7758S · Minor damage > the pilot's misjudged evaluation of the weather, and his inadequate compensation for the gusting winds and downdrafts. - [NTSB BFO94LA123](https://openairdocs.org/ntsb/BFO94LA123.md): Schweizer 2-33 · Waynesville, OH · Accident · No injuries · Limited investigation · Final report · Jun 29, 1994 · N65807 · Substantial damage > The instuctors inadequate supervision of the student who misjudged distance/altitude. - [NTSB BFO93LA095](https://openairdocs.org/ntsb/BFO93LA095.md): Schweizer SGS-233A · Johnson City, NY · Accident · Minor injuries · Limited investigation · Final report · May 21, 1993 · N17870 · Substantial damage > Improper 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. - [NTSB LAX88LA209](https://openairdocs.org/ntsb/LAX88LA209.md): Schweizer SGS 2-33A · Vacaville, CA · Accident · No injuries · Limited investigation · Final report · Jun 3, 1988 · N7768S · Substantial damage > At 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… - [NTSB LAX88LA145](https://openairdocs.org/ntsb/LAX88LA145.md): Schweizer SGS 2-33A · Warner Springs, CA · Accident · No injuries · Limited investigation · Final report · Mar 27, 1988 · N2655H · Substantial damage - [NTSB CHI88LA016](https://openairdocs.org/ntsb/CHI88LA016.md): Schweizer SGS 2-33A · Union, IL · Accident · No injuries · Limited investigation · Final report · Oct 25, 1987 · N1219S · Substantial damage > The 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.… - [NTSB DEN86LA226](https://openairdocs.org/ntsb/DEN86LA226.md): Schweizer SGS 2-33A · Durango, CO · Accident · No injuries · Limited investigation · Final report · Aug 9, 1986 · N7590 · Substantial damage > The 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… - [NTSB NYC85LA191](https://openairdocs.org/ntsb/NYC85LA191.md): Schweizer SGS 2-33A · Plymouth, MA · Accident · No injuries · Limited investigation · Final report · Jul 24, 1985 · N2039T · Substantial damage > The 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… - [NTSB MKC83LA227](https://openairdocs.org/ntsb/MKC83LA227.md): Schweizer SGS-2-33A · Warrensburg, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 29, 1983 · N7776S · No damage > The 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. - [NTSB DEN83LA210](https://openairdocs.org/ntsb/DEN83LA210.md): Schweizer SGS 2-33A · Durango, CO · Accident · No injuries · Limited investigation · Final report · Sep 4, 1983 · N7590 · Substantial damage > After 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. - [NTSB NYC83LA154](https://openairdocs.org/ntsb/NYC83LA154.md): Schweizer 2-33 · Freeport, PA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1983 · N65859 · Substantial damage > The 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… - [NTSB NYC83LA099](https://openairdocs.org/ntsb/NYC83LA099.md): Schweizer SGS-2-33A · Erwinna, PA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1983 · N2706H · Substantial damage > The 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… - [NTSB NYC82DFJ19](https://openairdocs.org/ntsb/NYC82DFJ19.md): Schweizer 2-33A · Elmira, NY · Accident · No injuries · Final report · Aug 28, 1982 · N65850 · Substantial damage > The 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. - [NTSB DEN82DA064](https://openairdocs.org/ntsb/DEN82DA064.md): Schweizer SGS-2-33A · Colorado Spring, CO · Accident · No injuries · Final report · Apr 17, 1982 · N2045T · Substantial damage > The 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… ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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."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 ``` This list as a web page: https://openairdocs.org/ntsb?model=8051606&occurrence=390 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.