interstate flight definition

interstate flight means travel on a registered passenger airline (but not charter trips) to or from any Australian state or territory.
interstate flight means travel on a registered passenger airline (but not charter flights) from Tasmania to any mainland Australian State or Territory, or from any mainland Australian State or Territory to another mainland Australian State or Territory or to Tasmania.
interstate flight means travel on a registered and scheduled commercial passenger airline from any Australian state or territory to another Australian state or territory.