Legend 1: Abbreviations

4 GENERAL INFORMATION Abbreviations ABBREVIATIONS The following abbreviations/acronyms are those commonly used within this Directory. Other abbreviations/acronyms may be found in the Legend and are not duplicated below. The abbreviations presented are intended to represent grammatical variations of the basic form. (Example–“req” may mean “request”, “requesting”, “requested”, or “requests”). Abbreviation ..............Description A/G ........................... air/ground AAF .......................... Army Air Field AAS .......................... Airport Advisory Service AB ............................ Airbase abm .......................... abeam ABn .......................... Aerodrome Beacon abv ........................... above ACC .......................... Air Combat Command Area Control Center acft........................... aircraft ACLS.........................Automatic Carrier Landing System act............................ activity ACWS .......................Aircraft Control and Warning Squadron ADA.......................... Advisory Area ADCC........................Air Defense Control Center ADCUS......................Advise Customs addn .........................addition ADF .......................... Automatic Direction Finder adj............................ adjacent admin .......................administration ADR.......................... Advisory Route advs.......................... advise advsy ........................advisory AEIS..........................…