A method with a tethered Unmanned Aerial Vehicle (UAV) associated with a cell site includes causing the UAV to fly at or near the cell site while the UAV is tethered at or near the cell site via a connection, wherein flight of the UAV at or near the cell site is constrained based on the connection; and performing one or more functions via the UAV at the cell site while the UAV is flying tethered at or near the cell site. The one or more functions can include functions related to a cell site audit. Alternatively, the one or more functions include functions related to providing wireless service via the UAV at the cell site, wherein data and/or power is transferred between the UAV and the cell site to perform the wireless service.