عتبة المدرج (Runway Threshold)
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التعريف
The beginning of the usable portion of a runway for landing
مصطلحات ذات صلة
إضاءة المطارات (AGL: Airfield Lighting)
The system of lights on runways, taxiways, and aprons that guide aircraft during low visibility
عتبة النازحين (Displaced Threshold)
A threshold not located at the beginning of the full-strength runway surface
المدرج (RWY: Runway)
A defined rectangular surface on an airport prepared for aircraft takeoff and landing
منطقة السلامة في نهاية المدرج (RESA: Runway End Safety Area)
An area beyond the runway end intended to reduce risk of damage to aircraft undershooting or overrunning
Mentioned In
Airport Runway Operations: How Planes Take Off and Land
…consists of four lights mounted to the left of the runway threshold. When all four appear white, the aircraft is above the…
Airport Lighting Explained: What All Those Lights Mean
…high-intensity lights installed on the ground before the runway threshold, extending up to 900 meters (3,000 feet) ahead of the…