Found this in GDS
Code:
SIN-PEN 19:45-21:15 AY6377 3K677
PEN-SIN 17:20-18:45 AY6378 3K676
SIN-KUL 19:35-23:55 AY6400 3K687
KUL-SIN 21.25-22.30 AY6399 3K688
SIN-SGN 19.25-20.35 AY6383 3K551
SGN-SIN 15.45-18.45 AY6384 3K558
SIN-HKT 20.30-21.20 AY6389 3K537
HKT-SIN ?
SIN-PER
PER-SIN
SIN-DRW 23.05-05.20 AY6395 ?
DRW-SIN 06.00-09.00 AY6396 ?