Brakes and braking systems.

CFR · 2024-01-01 · US · Title 14

(a) (b) (1) If any electrical, pneumatic, hydraulic, or mechanical connecting or transmitting element fails, or if any single source of hydraulic or other brake operating energy supply is lost, it is possible to bring the airplane to rest with a braked roll stopping distance of not more than two times that obtained in determining the landing distance as prescribed in § 25.125. (2) Fluid lost from a brake hydraulic system following a failure in, or in the vicinity of, the brakes is insufficient to cause or support a hazardous fire on the ground or in flight. (c) (1) Excessive control force is not required for their operation. (2) If an automatic braking system is installed, means are provided to: (i) Arm and disarm the system, and (ii) Allow the pilot(s) to override the system by use of manual braking. (d) (e) (1) It must operate satisfactorily over the range of expected runway conditions, without external adjustment. (2) It must, at all times, have priority over the automatic braking system, if installed. (f) (2) (3) (g) (h) (1) At least 6 full applications of the brakes when an antiskid system is not operating; and (2) Bringing the airplane to a complete stop when an antiskid system is operating, under all runway surface conditions for which the airplane is certificated. (i) (j) (k)

official document · source cfr-2024 · id 14:§ 25.735