Originally Posted by mre5765

Note that it is unclear if a UC membership will give you access to lounges operated by the Star Alliamce itself as opposed to those operated by airlines which are members of the star alliance. So for example, IME flying without a *G card out of LHR or DUB in economy class on LH or BD, the RCC card worked, though as noted by others, the Sen club is not accessible. What I don't know is if flying economy on UA out of LHR would get me access bases on my RCC card because 1. UA employees work the Star lounge, so my *G status would known, and 2. I've always flown UA in C or F.

Since I now *G for life, I never find out.