The IVAO ranges represent the number of hours you have connected to IVAO as a pilot and the theoretical / practical exams you have passed.
As soon as you reach enough hours connected as Pilot you can apply to perform the theoretical and practical exams for each rank. Ranges are delivered in the following sequence and can not be skipped.
The IVAO Training department establishes minimum requirements for approval of each rank, although each division may raise these standards.
The table below shows the ranges available and their requirements