The old viewing area was fenced in making shorts of aircraft close in quite difficult.  Looks like a BMA F-27 behind.  Must have been on the Channel Islands service as the F-27s usually operated to LHR from round the domestic end of the old BHX terminal.
<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@N02/23511267543/">Britannia 737-200 G-AXNC at BHX</a>