CASA 63/21 — Aircraft Not Requiring Registration (Classes of RPA and Model Aircraft) Prescription Instrument 2021 Zoe has a public metadata record for this legal instrument, but accepted source text is not available in the agent mirror yet. Canonical page: https://zoelaw.ai/legislation/casa-63-21-aircraft-not-requiring-registration-classes-of-rpa-and-model-aircraft-prescription-instru