Airport Runway Approach Lights
An approach lighting system or als is a lighting system installed on the approach end of an airport runway and consisting of a series of lightbars strobe lights or a combination of the two that extends outward from the runway end.
Airport runway approach lights. Using runway lights to make your flight safer. Use the approach visual approach path and runway lights at your airport and you ll stay on glide and clear of obstructions all the way to the touchdown. Precision approach path indicator lighting papi faa l 880 l 881 medium intensity approach lighting system with runway alignment indicator lights malsr alsf i dual mode alsf ii ssalr ssal approach lighting systems. These lights may be visible from up to 8 kilometres 5 0 mi during the day and up to 32 kilometres 20 mi or more at night.
The malsr consisting of a combination of threshold lamps steady burning light bars and flashers provides. The visual approach slope indicator vasi is a system of lights on the side of an airport runway threshold that provides visual descent guidance information during approach. Approach lights navigation aids. Touchdown zone lights are installed on some precision approach runways to indicate the touchdown zone when landing in reduced visibility conditions.
The airport facilities directory a fd and instrument approach charts identify the type of runway lighting available for each runway and how to activate the lighting system. Flying at night is difficult however understanding the runway lighting system for your airport is a key to staying safe. On runways with both approach lighting and runway lighting runway edge lights taxiway lights etc systems the approach lighting system takes precedence for air to ground radio control over the runway lighting system which is set at a predetermined intensity step based on expected visibility conditions. Since our first day of business in 1967 for the past 50 years we ve become a trusted source for airport lights lamps lenses papi runway signage and electrical supplies.
On runways with both approach lighting and runway lighting runway edge lights taxiway lights etc systems the approach lighting system takes precedence for air to ground radio control over the runway lighting system which is set at a predetermined intensity step based on expected visibility conditions. The malsr medium intensity approach lighting system with runway alignment indicator lights is a medium approach intensity lighting system als installed in airport runway approach zones along the extended centerline of the runway.