Correct TUI are sending a LTN based 737 next Summer to spend the half the week at EXT then over to BOH for the rest of the week it seems.
So EXT and BOH both see 1 and a 1/2 737NG's based for them each week.
Back in the early 70's LTN had around 10 Court Line 1-11 500's and 2 Tristars
BMA usually had one or two 1-11 500's operating on IT's.
Dan Air had 5 LTN based 1-11 300/400's plus the Comets and 727-100's coming in on W patterns for longer routes.
Monarch had both a handful of Brits and a handful of 720B's based
and Britannia had about a dozen or so 737-200's on the fleet by then