13 seats is more than crew rest ... 1 Envoy seat and a few in coach would be it, I think. 3 pilots and 6 FAs on a 767 international, and somebody has to work! Probably is a planned payload restriction. Of course, those numbers would be subject to last minute revision and our crews will take all they can, dependent on the days payload and fuel needs, of course. (Our cargo sales people do a terrific job of filling up the holds on our transatlantic stuff.)

I would (standing recommendation for Europe in summer) get a ZED to somewhere with lots of options home. Get an LH ZED to FRA, where US has two CLT and two PHL flights daily in the high season, all on 330s. If you need the ZED, you have it ... and if you don't you can get it refunded when you get home.

Good news for the future, though ... I understand that ATH will be going to the 330 beginning next year ... more seats, more space.