/* Build the airports for real */
	local last_cost = AIAccounting();
	if (AITestMode() && AIAirport.BuildAirport(airport1_location, airport1_type, airport1_stationId)) {
	    if (HasMoney(last_cost.GetCosts())) GetMoney(last_cost.GetCosts());
	}
	if (!AIAirport.BuildAirport(airport1_location, airport1_type, airport1_stationId)) {
	    RepayLoan();
		AILog.Warning("Although the testing told us we could build 2 airports, it still failed on the first airport at tile " + airport1_location + ".");
		assert(AIError.GetLastError() != AIError.ERR_STATION_TOO_SPREAD_OUT);
		return -1;
	}
	RepayLoan();

	last_cost.ResetCosts();
    if (AITestMode() && AIAirport.BuildAirport(airport2_location, airport2_type, airport2_stationId)) {
	    if (HasMoney(last_cost.GetCosts())) GetMoney(last_cost.GetCosts());
	}
	if (!AIAirport.BuildAirport(airport2_location, airport2_type, airport2_stationId)) {
	    RepayLoan();
		AILog.Warning("Although the testing told us we could build 2 airports, it still failed on the second airport at tile " + airport2_location + ".");
		assert(AIError.GetLastError() != AIError.ERR_STATION_TOO_SPREAD_OUT);
		return -1;
	}
	RepayLoan();