Firstly best of luck with the interview, it's a pleasant experience and a great place to work.
The 330 operates out of LHR and LGW. From LGW it flies to Antigua and St Lucia with some times a cheeky shuttle flight to other islands. From LHR the 330 routes are mainly east coast, Dubai and India. Last year the 330 also picked up some trips from Manch and GLA but I'm not too sure if that is happening this year as there is a perm 747 base at Manch now.
Best of luck,
