At that time the single seat Schweizer SGS 1-26 was becoming very popular for one-design competition flying.

Production was only curtailed when demand dropped off due to the import of higher-performance two-place sailplanes from Europe.

These K models will be eligible for an airworthiness certificate when accompanied by an affidavit certifying that the glider is constructed in exact accordance with the approved drawings and manual, and that the parts and materials furnished by the manufacturer in the kit have been used; and further when the following inspections have been satisfactorily passed: (a) An inspection for workmanship, materials, and conformity before any covering is applied.

(c) Check of flight characteristics.The 2-33 type certificate is currently held by K & L Soaring of Cayuta, New York who now provide all parts and support for the Schweizer line of sailplanes.

The single-spar, aluminum structure wings are tapered from mid-span and feature top and bottom balanced divebrakes.

The tailplane and elevator are made from welded steel tube covered in aircraft fabric.

This can cause confusion with a World War II training glider made by Laister-Kauffman and used by the United States Army Air Forces from 1941 to 1947.

[19] Data from Jane's All the World's Aircraft 1988-89,[20] Pre-Course Information Package for Glider Candidates[21]General characteristics Performance