Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
(a) Each control and control system must operate with the ease, smoothness, and positiveness appropriate to its function.
(b) Each element of each flight control sy stem must be designed, or distinctively and perm anently marked, to m inimise the probability of any incorrect assembly that could result in the m alfunction of the system.
(c) A means m ust be provided to allow full control movement of all prim ary flight controls prior to flight, or a means must be provided that will allow the pilot to determ ine that full control authority is available prior to flight.
ED Decision 2003/016/RM · Source