Originally Posted by A_Lee

Here's what I've found:

When flying *A:

* At ICN, you get OZ F lounge access when flying OZ as it specifies in the rules, but you also get F access when flying other *A carriers. Note there has been a change in the rules such that newly qualifying members only access the F lounge when flying in C, and I presume this rule will also carry over to those flying *A, but it hasn't yet happened to me, so I have no personal experience with how exactly that will affect things.