The License Key you receive from ComServ for your eFlightLog domain determines how many active aircraft and pilots you can have at the same time.
The digits before the ‚-‚ denote the limitation, e.g. the License Key ’10-2093ohffguh‘ allows for max. 10 active aircraft and 100 active pilots, the License Key ’20-5744seiu93oi‘ max. 20 active aircraft and 200 active pilots.
Do not change the License Key without consulting ComServ, or you will not be able to activate any pilots or aircraft.
The License Key is stored in the Settings table.