<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by virtualtroy:
If you use BA or AA schemes you won't get the mileage for transatlantic flights [anti-monopolies treaty]. Join the Qantas scheme if you want the credit...</font>
Not quite. You will get AA miles on the flight - QF is another good option. It's not a treaty issue, more a means of preventing legal action being taken iirc.