I didn't want to open a new thread, so here's a slightly different question
KUL-SIN on MH - ticket 1
SIN-HKG-HEL on CX & AY (AY code) ticket 2
Will MH thru-check my luggage to HEL? I'd rather avoid going landside and check in again in SIN (though with a 5 hrs layover completely doable)