Originally Posted by
dchen2
Pretty sure SQ blocks their partners (including UA mileageplus) from booking Biz/First/Suites class awards on their international routes using their longhual equipment. Only exceptions is SQ allows J awards on their regional intra-asia flights with the regional Biz seats.
actually you can book J awards with LH M&M miles on SQ's longhaul routes with their new Biz class.