ICAO Airline Designator & Telephony
UNITED STATES DEPARTMENT OF TRANSPORTATION, FEDERAL AVIATION ADMINISTRATION, FLIGHT INSPECTION SERVICES (OKLAHOMA CITY, OK)
KAISER AIR, INC. (OAKLAND, CA)
NORTH CENTRAL AVIATION, LLC (ST. PAUL, MN)
UNIVERSITY OF NORTH DAKOTA (GRAND FORKS, ND)
AIR CENTER HELICOPTERS, INC. (FORT WORTH, TX)
ATLANTA AIR CHARTER, INC.
