One of the few airports where NLM operated (rather than Air UK or KLM) was BHX.  The other airport was LGW.  The new terminal construction underway during the early 1980's.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/22476277690/">NLM F-27 PH-KFL at BHX</a>