Originally Posted by
WHBM
I can think of one "Dark red leaf" livery operator, who at that time operated from Singapore to Heathrow. They normally made a commercial stop at Bombay, but there may have been nonstops as well. They had two 747 Combis, which were used on the route (their main use).
Can't be AC, as their maple leaf was white in those days (and they had 3 747 Combis).
The plot thickens ...