In the USA (TRA and NAR): Level 1: H, I Level 2: J, K, L Level 3: M, N, O and beyond Note: In Canada, the Canadian Association of Rocketry has an additional step to Level 4, which is equivalent to the US Level 3.
ABD’de (TRA ve NAR): Seviye 1: H, I Seviye 2: J, K, L Seviye 3: M, N, O ve sonrası Not: Kanada’da, Canadian Association of Rocketry in ABD’deki Seviye 3’e eşdeğer, Seviye 4 e kadar ek bir adımı vardır.