Foreword1 Scope2 References3 Definitions and abbreviations4 Architecture model and concepts5 Functional description and information flows5.1 Control and user plane stacks5.2 UAV Authentication and Authorization5.2.1 UUAA Model5.2.2 UUAA at Registration in 5GS (UUAA-MM)5.2.3 UUAA At PDN Connection/PDU Session Establishment (UUAA-SM)5.2.4 UUAA Re-authentication and Re-authorization by USS/UTM5.2.5 Authorization for C25.2.6 Void5.2.7 UUAA Revocation by USS/UTM5.2.8 UAV Controller Replacement5.2.9 Revocation of C2 Connectivity5.3 UAV Tracking 5.2.6 Void 23.2563GPPRelease 17Stage 2Support of Uncrewed Aerial Systems (UAS) connectivity, identification and trackingTS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM