Airspeed limitations: general.
CFR · 2024-01-01 · US · Title 14
(a) An operating speed range must be established. (b) When airspeed limitations are a function of weight, weight distribution, altitude, rotor speed, power, or other factors, airspeed limitations corresponding with the critical combinations of these factors must be established.
official document · source cfr-2024 · id 14:§ 27.1503