A Dawlish beach goer has told of the moment they nearly 'jumped out of their skin' as an enormous military helicopter rumbled over the beach. The large aircraft was pictured at around 4pm, however it is not clear which model of helicopter it is.
Read more... https://www.devonlive.com/news/devon-news/huge-helicopter-swoops-low-over-7412680
From the pictures it looks like a ZJ118 with BERP IV composite blades.
https://docslib.org/doc/6504190/1-berp-iv-aerodynamics-performance-and-flight-envelope