What does MYX stand for?

Majestic Yachts Inc., Fort Lauderdale, FL - Manufacturer code for watercraft hull identification number (USCG)

Marion, VA - Location identifier - FAA (FAAL)

Masaba - Language code (ETLW)

Menyamya - Papua New Guinea - Airport symbol (OAG)

Methotrexate - Antineoplastic drug (CDI)

Mysterious - Telegraphy (PCTE)