Originally Posted by
ExpertFlyer Voice
Actually, I think what delanotre was trying to explain is that ExpertFlyer no longer requires you to know the award or upgrade class to search for it with the introduction of our Award & Upgrade Search tool last month.
And KVS Tool no longer required its users to know the award class code(s) to search for, since the introduction of the SkyTeam Award search method in
Jan 2007 
.
The award class (e.g. YS/WS/CS/FS) descriptions are the same for all airlines, for which award availability is supported (
AC/UA/US/LH/OS/SK/TP/LO/JK/BD/TK/SQ/NZ/NH/OZ/TG/SA/JP/OU/KF // QF/BA/AA/AY/IB/MA/LA + EI/FJ // NW/SU/AM/AF/CO/DL/KL + AS/HA/YX), and can be found in the KVS Tool User Guide:
http://www.kvstool.com/FAQ.php#Methods