So, vote for who builds the airport, who can initiate the construction and who owns airports outside towns:
- A Local authorities initiate, construct and own airports
B Local authorities initiate and construct airports, offering them to players
C Local authorities construct and own airports, players initiate the construction
D Local authorities initiate and own airports, players construct them
E Local authorities initiate airports, players construct them and own them
F Local authorities construct airports, players initiate and own them
G Local authorities own airports, players initiate and construct them
H Players initiate, construct and own airports