Sec. 23.399 - Dual control system.

(a) Each dual control system must be designed to withstand the force of the pilots operating in opposition, using individual pilot forces not less than the greater of --

(1) 0.75 times those obtained under 23.395; or

(2) The minimum forces specified in 23.397(b).

(b) Each dual control system must be designed to withstand the force of the pilots applied together, in the same direction, using individual pilot forces not less than 0.75 times those obtained under 23.395.

[Doc. No. 27805, 61 FR 5145, Feb. 9, 1996]