First flight of RN Merlin Mk. 4 Posted on November 22, 2016 by alert5 Leonardo-Finmeccanica announced on Nov. 21 that the first Royal Navy Merlin Mk.4 helicopter made its maiden flight at Yeovil, England on Oct. 24. Photo: Leonardo Related posts (Automatically Generated): RAF to transfer Merlin to RN First five AW101 Merlin HM Mk 2 delivered to Royal Navy Royal Navy’s Merlin Mk2 helicopters enter service early Royal Navy to deploy AW159 Wildcat on German frigate Lockheed Martin offers podded AEW for RN Merlin RAF Merlin Force celebrates 10-years continuous deployments