ICAO Airline Designator & Telephony
ACM AVIATION, INC. (SAN JOSE, CA)
CLARK AVIATION CORP. (NEW CUMBERLAND, PA)
UNC AIR OPERATIONS
SEVEN BAR FLYING SERVICE, INC. (ALBUQUERQUE, NM)
EMPIRE AIRLINES (HAYDEN LAKE, UT)
SOUTH CAROLINA AERONAUTICS COMMISSION (COLUMBIA, SC)
