General.

CFR · 2024-01-01 · US · Title 14

(a) The airplane must be safely controllable and maneuverable during— (1) Takeoff; (2) Climb; (3) Level flight; (4) Descent; and (5) Landing. (b) It must be possible to make a smooth transition from one flight condition to any other flight condition without exceptional piloting skill, alertness, or strength, and without danger of exceeding the airplane limit-load factor under any probable operating conditions, including— (1) The sudden failure of the critical engine; (2) For airplanes with three or more engines, the sudden failure of the second critical engine when the airplane is in the en route, approach, or landing configuration and is trimmed with the critical engine inoperative; and (3) Configuration changes, including deployment or retraction of deceleration devices. (c) The airplane must be shown to be safely controllable and maneuverable with the most critical of the ice accretion(s) appropriate to the phase of flight as defined in Appendices C and O of this part, as applicable, in accordance with § 25.21(g), and with the critical engine inoperative and its propeller (if applicable) in the minimum drag position: (1) At the minimum V (2) During an approach and go-around; and (3) During an approach and landing. (d) The following table prescribes, for conventional wheel type controls, the maximum control forces permitted during the testing required by paragraph (a) through (c) of this section: (e) Approved operating procedures or conventional operating practices must be

official document · source cfr-2024 · id 14:§ 25.143