Text in force at CS25-28: from CS25-2, effective 2 Oct 2006.
(a) Each dual control system must be designed for the pilots operating in opposition, using individual pilot forces not less than –
(1) 0·75 times those obtained under CS 25.395; or
(2) The minimum forces specified in CS 25.397 (c).
(b) The control system must be designed for pilot forces applied in the same direction, using individual pilot forces not less than 0·75 times those obtained under CS 25.395.
ED Decision 2006/005/R · Source