I'm somewhat new to understanding current ST lounge access rules for ST after dropping status completely for ~7-8 years. Recently re-earned ST E+ status (with AF/KL). At any rate, flying out of BKK next year on SV in BC (w/o E+ status, can only access the lounge the airline provides?). Looking at the ST website (link below) for BKK, it'd seem that even if travelling BC and/or E+ status, lounge access is limited to certain lounges? The lounge offered by SV is not listed. If we can get access to any ST-member lounge, I take it the AF Kl Sky lounge is the best?

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