Taking off at LTN is the freighter Britannia.  Anti-collision lights on and caught the red strobe underneath.  Could have been heading off anywhere.  I think this was one of a pair that interconair operated.  The airline didn't last long.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/28014349986/">Interconair Bristol Britannia at LTN</a>