TY JOUR TI Economic Justification for Selecting the Operating Mode of Airfield Lighting Equipment Under Temporary Reduction of Flight Intensity KW economic KW airport KW aerodrome lighting equipment KW electrical lighting equipment KW operating costs KW ALCMS KW LED KW cost optimization JO Journal of Applied Research AU Sagitov, D.I. AU Bakirova, P.D. AU Korolkova, M.M. PY 2026 IS 0 PB ITBO University