What does "Open Skies" mean?
From what I can find it is not a free for all where any carrier can fly into or out of any country.
All my looking (I hesitate to us the words research or even search) indicates that "open skies" is an agreement between two countries regarding flights operating between the said two countries without restriction on the number of carriers or the type of equipment.
Does this mean that if there is an "open skies" agreement between say Singapore and USA that a flight originating in Singapore for USA can operate via say Australia if the Australian Government agrees? Or does the US government have to agree to the Aus-USA bit too?
I see that USA and Australia have an "open skies" agreement for Cargo only - not passenger.