What does ATZ stand for?

Acquisition Trigger at Zero Beat

Aerodrome Traffic Zone

Air Service Training Ltd. - British - ICAO designator (FAAC)

Anal Transitional Zone - Medicine (MELL)

Armi Tecniche de Emilio Rizzini - NCIC firearms make code (NCIC)

Arta - Language code (ETLW)

Assiut - Egypt - Airport symbol (AD)

Attex International - NCIC boat manufacturer code (NCIC)

Attex International, Akron, OH - Manufacturer code for watercraft hull identification number (USCG)

Atypical Transformation Zone - Gynecology (DAVI)

Automobiltechnische Zeitschrift - Automobile Technical Journal - Automotive industry