Royal Navy variant with manufacturer designation Mk.111
and built at Yeovil, Somerset UK.
The British MoD placed an initial order for 44 Merlin HM.1 airframes in Sep 1991.
First flight by a production Merlin, Dec 06, 1995
First mission system fitted Merlin flew in Jan 1997
First Merlin HM Mk1 Squadron, 700M Naval Air Squadron, commissioned on Dec 1998
In Service Date (ISD) achieved on Mar 1999, 12 aircraft delivered
Delivery of last aircraft, Oct 2003
Upgraded to HM.2 variant from 2012