<p>c/n unknown.
NATO codename ‘Helix-A’
The ‘M‘ is the latest variant of the Ka-27 and is an upgraded and reworked Ka-27PL, the existing anti-submarine variant. Very few are in service as yet, with this one being reported as being operated by 859th Centre for Combat Application and Crew Training for Naval Aviation (TsBP I PLS MA VMF) Russian Navy, based at Yeysk. 
On static display at the Aviation cluster of the ARMY 2017 event. 
Kubinka Airbase, Moscow Oblast, Russia.
</p>
24th August 2017
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/65001151@N03">Alan Wilson</a> from Stilton, Peterborough, Cambs, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ajw1970/36296511143/">Kamov Ka-27M ‘RF-19188 / 31 yellow’</a>