Alaska Airlines Boeing 737 737-890,  N546AS.  with 2nd gen 737 winglets, upward and downward directed. DSC_20001
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/9998127@N06">Bill Abbott</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/wbaiv/26985684475/">Alaska Airlines Boeing 737 737-890,  N546AS.  with 2nd gen 737 winglets, upward and downward directed. DSC_20001</a>