How many IATA airport codes are actually left out of the 17,576 possible combinations?
Are we anywhere close to running out globally, or is it more of a regional issue where some countries are already short on usable codes?
How many IATA airport codes are actually left out of the 17,576 possible combinations?
Are we anywhere close to running out globally, or is it more of a regional issue where some countries are already short on usable codes?