Wow! Excellent shots, great view of it there!
Not seen an UPS 747-8 close yet, seen a few from the garden (Wiltshire) high up, Stansted ones usually end up on a north track so never see one low over here, only ones I see at a lower height for Stansted is a FexEx MD11 which sometimes comes over Choppenham/Bath way, depending on the north Atlantic Track.