The Zögling was designed to be a training glider for basic flight training.
He was allowed to fly the training glider on which he worked, but ended up with two broken ribs.
It had a simple structure, box fuselage, strutted high wing and low performance typical for the primary type of training glider.
It was regarded as one of the best gliders in its class and the Polish best training glider.
The IS-2 was designed as an intermediate training glider.
By late 1933 Slingsby was advertising training gliders for sale.
Others state it was intended as a training glider for clubs.
From its introduction until the late 1980s, the 2-33 was the main training glider used in North America.
The TG-5 was a three-seat training glider of 1942 based upon the O-58 design.
It was the dominant basic training glider with French clubs until the 1960s and several still fly.
