The total number of Standard members in a virtual airline is limited by the number of Gold and Platinum members who are also members of the airline.
One to Four Gold members
Four members for each pilot with a Gold Account (The Gold member plus 3 others)
Five or more Gold members
Fifty members (5 gold plus 45 others) plus 5 members for each additional Gold account.
One or more Platinum members
Fifty members (1 Platnum plus 49 others) plus 25 more for each additional platinum account and 5 more for each additional gold account.