Boeing 737/4 of Gainjet,with "Long Range Auxiliary Fuel" tiles,at Birmingham-BHX,29/03/16.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/76052339@N05">Alec Wilson</a> from Khon Kaen, Thailand
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/awilson154/26119760835/">SX-ATF</a>