A tug pulling a 28VDC ground power unit. This unit would most likely be used on a Dash 8. Our reflection in the window.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/44389375@N00">Shawn</a> from Airdrie, Canada
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/cdnav8r/2853551666/">Ground support equipment</a>