释义 |
landing aid
landing aidAny illuminating light, radio beacon, radar device, communicating device, or any system of such devices for aiding aircraft in an approach and landing.landing aid
landing aid[′land·iŋ ‚ād] (navigation) A lamp, searchlight, radio beacon, radar device, communicating device, or any system of such devices for aiding aircraft in an approach and landing. Also known as landing system. landing aidAny illuminating light, radio beacon, radar device, communicating device, or system of such devices for aiding aircraft in an approach and landing. See instrument landing system, ground-controlled approach, and visual approach slope indicator. |