Creeping around the 777s I noticed this unusual movement - I assume it is a Singapore Navy maritime Surveillance aircraft.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/16238488374/">Singapore navy F-50 713 at SIN</a>