 In a relaxation of the regulations regarding allocation of aircraft designations, the designers and manufacturers of sailplanes and gliders in Germany enjoyed the freedom of choosing their own designations for their products up until 1945, but some of the more common aircraft were issued RLM designations in the 108 series.After the Second World War, gliding was prohibited in Germany, but when the sport began again in 1951, glider types were allocated a Geräte-Nummer (Type Approval number).New designs were given numbers from 101, but the following older types used their RLM designation as the Geräte-Nummer