first freedom - overfly a country
second freedom - technical stopover (fuel, maintenance, etc.), does not pick up passenger
third freedom - x registered, x to y
fourth freedom - x registered, y to x
fifth freedom - x registered, x to y to z, layover
sixth freedom - x registered, z to y to x, layover pabalik
seventh freedom - x registered, y to z
eight freedom - x registered, x to y1 to y2
ninth freedom - x registered, y1 to y2