Originally Posted by
invisible
SK is SilverKris lounge abbreviation for people who are flying with SQ a lot. Because there is also SQ Golden Lounge for 'ordinary' *A members.
Those in premium cabin are also allowed to access SilverKris, as well as those with eligible status (traveling in econmy) in non-SIN SilverKris lounges.
"Ordinary" *A members have no access to Gold lounge, which is only available at SIN, you need to be Gold or above, or part of SQ PPS club members.