Row 18 exists on both; with the 3 class the crew seats are on the right; with the 2 class they are on the left. This pushes the seats on the indicated side back and as a result the 3 class do not have 18J/K.
As for the reason, I'm sure Qantas have a good one ...
Last edited by serfty; Dec 4, 2006 at 7:05 pm