Atlas / Learn / Glossary Amateur rocket — an unmanned rocket that: Amateur rocket · General an unmanned rocket that: Source: 14 CFR § 1.1 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
