A session management function apparatus comprising: a transceiver that is configured to communicate with one or more network functions in a 5G mobile communication network and with one or more unmanned aerial vehicle traffic management, UTM, functions; and a processor that is configured to: receive a first session management request via an access management function of the 5G mobile communication network, the first session management request containing a second session management request sent by a remote unit that communicates with the 5G mobile communication network, the second session management request being a protocol data unit, PDU, session establishment request requesting unmanned aerial vehicle, UAV, operation; obtain subscription data for the remote unit including a UAV identity; select a UTM function in response to receiving the second session management request; send a first request to the selected UTM function to authorize the UAV operation for the UAV identity; receive a response to the first request including remote identification and tracking information, "RITI", for the UAV operation; and send a response (638, 642) to the second session management request via the access management function, the response (638, 642) including a PDU session establishment acceptance and the remote identification and tracking information. a transceiver that is configured to communicate with one or more network functions in a 5G mobile communication network and with one or more unmanned aerial vehicle traffic management, UTM, functions; and a processor that is configured to: receive a first session management request via an access management function of the 5G mobile communication network, the first session management request containing a second session management request sent by a remote unit that communicates with the 5G mobile communication network, the second session management request being a protocol data unit, PDU, session establishment request requesting unmanned aerial vehicle, UAV, operation; obtain subscription data for the remote unit including a UAV identity; select a UTM function in response to receiving the second session management request; send a first request to the selected UTM function to authorize the UAV operation for the UAV identity; receive a response to the first request including remote identification and tracking information, "RITI", for the UAV operation; and send a response (638, 642) to the second session management request via the access management function, the response (638, 642) including a PDU session establishment acceptance and the remote identification and tracking information. receive a first session management request via an access management function of the 5G mobile communication network, the first session management request containing a second session management request sent by a remote unit that communicates with the 5G mobile communication network, the second session management request being a protocol data unit, PDU, session establishment request requesting unmanned aerial vehicle, UAV, operation; obtain subscription data for the remote unit including a UAV identity; select a UTM function in response to receiving the second session management request; send a first request to the selected UTM function to authorize the UAV operation for the UAV identity; receive a response to the first request including remote identification and tracking information, "RITI", for the UAV operation; and send a response (638, 642) to the second session management request via the access management function, the response (638, 642) including a PDU session establishment acceptance and the remote identification and tracking information.