SALS

SALS
short approach light system.
SAMPLING FREQUENCY
Rate of a periodic process; 1/T where T is the period; Symbols: f sub s; Typical Units: Hz; Dimensions: 1/Time.

(SALS) Simplified approach light system 1200'+ light-bar likewise.
(SSALR/MASR) Simplified short approach light system, sequenced flashing lights and medium approach light system ...

See also: Weight, Weather, Aviation, Clearance, Air traffic