REILs) should be installed at the threshold of a non-precision approach runway in most circumstances. Bi-directional red/green lighting must be used if the airfield is used in both directions. Runway Threshold/End Lighting: Fixtures positioned at either end of a runway consisting of at least six fixtures equally spaced not more than three metres from the runway extremity.In the caution zone, the fixtures emit white light in the direction facing the runway threshold and yellow light in the opposite direction. Medium Intensity Runway Edge Lighting: Fixtures positioned along the edges of the runway emitting white light, except in the caution zone which is the last 610m of the runway or half the runway length (whichever is less).There are different rules and regulations for ICAO and FAA VFR runways, but the common fixtures include:
They are commonly found at public and private airfields or runways without an instrument approach. Visual Flight Rules lighting systems consist of Low or Medium Intensity Runway and Approach Lighting systems that are used to guide pilots visually for a safe approach and landing. Visual flight rules (VFR) are a set of regulations under which a pilot operates an aircraft in weather conditions generally clear enough to allow the pilot to visually see where the aircraft is going. Visual Flight Rules (VFR) are non-instrument and non-precision approach runways as defined by ICAO and FAA.
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