| 释义 |
radio approach aids
radio approach aidsEquipment making use of radio to determine the position of an aircraft with considerable accuracy from the time it is in the vicinity of an airfield or carrier until it reaches a position from which landing can be carried out.radio approach aids
radio approach aids[′rād·ē·ō ə′prōch ‚ādz] (navigation) Equipment that uses radio or radar to furnish guidance to an aircraft with required accuracy from the time it is in the vicinity of an airfield until it reaches a position from which a landing can be made. radio approach aidsThose radio aids such as instrument/microwave landing systems (ILS/MLS) that assist landing in poor-visibility conditions. |