Originally Posted by Jakebeth
I think KVS is a great tool. But for me, flying AA is all about getting to sit in F. Being able to see upgrade inventory is critical, and you have that available on EF.
The supported award/upgrade booking classes are different between the KVS Tool and EF, and the exact listings can be accessed via their respective websites.
OP's inquiry appears to have to do more with an AA-specific question, than the broader issue that is implied by the thread's subject...