Atlas/ Glossary/ NOT STANDARD General NOT STANDARD — - Varying from what is expected or published. NOT STANDARD - Varying from what is expected or published. For use in NOTAMs only. Source FAA Pilot/Controller Glossary → Related — General. ACKNOWLEDGE ACKNOWLEDGE — Let me know that you have received and understood this message ACROBATIC FLIGHT ACROBATIC FLIGHT ACROBATIC FLIGHT [ICAO] ACROBATIC FLIGHT [ICAO] ADMINISTRATOR ADMINISTRATOR ADVISE INTENTIONS ADVISE INTENTIONS — Tell me what you plan to do ADVISORY ADVISORY