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Federal Aviation Regulations

Sec. 25.399 — Dual control system.

(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 §25.395; or

(2) The minimum forces specified in §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 §25.395.

NEXT: Sec. 25.405 - Secondary control system.
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