CS 22.65 Climb
CAA ORS9 Decision No. 1
(a) For a powered sailplane the time for climb from leaving the ground up to 360 m above the field must not exceed four minutes with:
(1) not more than take-off power;
(2) landing gear retracted;
(3) wing-flaps in take-off position;
(4) cowl flaps (if any) in the position used in the cooling tests.
(b) For self-sustaining powered sailplanes, the maximum altitude that can be sustained must be determined.