Thanks for the quick reply

I hadn't previously been aware that there were different ticket classes within a seating class. I'd assumed that economy was economy. Interesting to know though. It seems that I have been booked on class V tickets according to my itinerary although my tickets show class M just to confuse the issue further! Hopefully I will get a different class on the way out as I will have enough miles to take me into Gold memebrship

Can these 'discount' classes be upgraded using miles?

Thanks
Ian