***Link*** :: [Surface Movement Guidance and Control System](https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_120-57B.pdf) ***Description*** :: `= this.link` ***Author*** :: [[FAA]] ***Key Quotes***: * This Advisory Circular ([[AC]]) describes the standards and provides guidance in the development of a Surface Movement Guidance and Control System ([[SMGCS]]) plan for U.S. airports where scheduled Air Carriers are authorized to conduct operations when the visibility is less than 1,200 feet runway visual range (RVR). * A SMGCS plan facilitates the safe movement of aircraft and vehicles on the airport by establishing more rigorous control procedures and requiring enhanced visual aids. #source #advisory-circular