>>Y gents are mixing Cargo Lion operating DC8's. An other Luxembourgish operator that briefly flew B747's and Indonesia Lion Air that operated A310s and lately MD80's as well as B737-400s.<<
Yep, I think you're right, Cargo Lion operated SIN-JKT for UPS for a while (UPS outsources much of its international flying to cut costs):
http://www.airliners.net/open.file/185030/L/
Drop rise, drop rise...