ICAO Airline Designator & Telephony
WIND SPIRIT AIR, INC. (DETROIT, MI)
ROCKY MOUNTAIN HOLDINGS, L.L.C. (PROVO, UT)
TRANS STATES AIRLINES, INC. D/B/A TRANS WORLD EXPRESS
MICHIGAN AIRWAYS, INC. D/B/A DRUMMOND ISLAND AIR (DRUMMOND ISLAND, MI)
GRANT AVIATION, INC. (ANCHORAGE, AK)
FLYING BOAT, INC. D/B/A CHALKS INTERNATIONAL AIRLINES (FT. LAUDERDALE, FL)