Originally Posted by spotwelder
I think that W is the full WTP fare and T is the discount fare. You had better check this carefully but I have not heard of T fares being considered as anything other than WTP elegible for awards.
Ex-Australia:
W - is the SIN/BKK fare
T - is the HKG/JNB etc fare
Both W and T earn full Y SCs + the 10% cabin bonus. Trust me.