Royal Navy’s Merlin Mk2 "Crowsnest" Helicopter
Royal Navy’s Merlin Mk2 "Crowsnest" Helicopter

Royal Navy’s First Merlin Crowsnest Helicopter Enter Service Ready for Carrier Mission

The first of the Royal Navy’s new ‘eyes in the sky’ has entered service – getting ready to protect the nation’s flagship. The first Merlin ‘Crowsnest’ helicopter – which scours the heavens with its radar looking for potential foes – will now begin operational training, ahead of the maiden deployment of HMS Queen Elizabeth this spring. The distinctive-looking helicopter – a large radar dome or ‘bag’ sticks out from the fuselage, earning the aircraft the affectionate nickname of ‘baggers’ – will provide airborne surveillance and the control of other aircraft (known as ASaC) in the carrier’s strike group. The new generation of ‘baggers’ pick up the mantle of the Navy’s veteran Sea Kings of 849 Naval Air Squadron (now retired) – and like their predecessors will be based at Royal Naval Air Station Culdrose, which also provides anti-submarine Merlin aircraft to protect the Fleet.

Royal Navy’s Merlin "Crowsnest" Helicopter
Royal Navy’s Merlin Helicopteris prepared for Crowsnest in 820 NAS’ hangar.

Captain Stuart Finn, the Commanding Officer of RNAS Culdrose said: “The delivery of this first aircraft at Culdrose represents an enormous amount of hard work, dedication and passion across the defence and industry enterprise. It marks a significant moment for the Royal Navy as we become a carrier task group navy capable of deploying around the world as a sovereign group or with our allies. It is especially poignant that these aircraft are based here at Culdrose, the home of ‘the eyes of the fleet’, and we are proud of our association with airborne surveillance and control and before that, airborne early warning. These aircraft will work side by side with the rest of the Merlin Mk2 force to provide a world-class line of defence for our global navy, adding above water expertise to our already renowned submarine hunting skills.”

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Royal Navy’s Merlin "Crowsnest" Helicopter
Leading Seaman Paul Rendle signals to the first Royal Navy’s Merlin Mk2 “Crowsnest” helicopter to take off.

Commodore Steve Moorhouse, Commander UK Carrier Strike Group, who will direct HMS Queen Elizabeth’s first deployment with the help of his staff said,”The new Merlins were the final pieces in the group’s large, complex jigsaw. It’s hugely encouraging to see the progress of the Crowsnest trials. Already one the most advanced submarine hunters, the Merlin Crowsnest will offer long-range intelligence and surveillance against surface and airborne threats, and the ability to command and control strike missions,” he said. Coupled with the Wildcat attack helicopter, the UK Carrier Strike Group will soon operate one of the most capable and versatile helicopter air groups.”

Royal Navy’s Merlin "Crowsnest" Helicopter
Royal Navy’s Merlin “Crowsnest” helicopter on maiden flight with radar dome (bag) lowered.

Training by aircrews to use the new system, which allows crews to conduct air and missile defence as well as strike command and control, has been underway since the autumn. The Merlins have been kitted out with new mission systems and radars from Thales Group by aerospace company Leonardo in Yeovil, overseen by Lockheed Martin. Each helicopter has a crew of three: two observers (mission and tactical specialists) and one pilot. High above the fleet with their sophisticated sensors, they enable the carrier strike group commander to see, understand and react well beyond the horizon for any air or surface threats. They can also act as a control centre for strike operations between the carrier and the ship’s F-35 Lightning jets. HMS Queen Elizabeth is due to deploy to the Mediterranean, Indian Ocean and into the Indo-Pacific region in an operational deployment with the UK’s allies and partner.

Royal Navy’s Merlin "Crowsnest" Helicopter
The first Royal Navy’s Merlin “Crowsnest” Helicopter lifts off from Culdrose.

In 2017, Lockheed Martin was awarded a £269m contract to deliver the Royal Navy’s CROWSNEST Airborne Surveillance and Control (ASaC) programme. As the prime contractor, Lockheed Martin is responsible for the overall design and development of CROWSNEST, which will provide a vital surveillance capability to support the Royal Navy’s new Queen Elizabeth Class carriers. CROWSNEST uses a high power radar to provide long-range air, maritime and land tracking capabilities that will ensure early detection of potential threats and vital surveillance for the entire fleet. CROWSNEST incorporates an updated version of a Thales Searchwater radar and Cerberus Mission System which are deployed as role fit kits along with the Merlin Mk2 helicopters. This will allow the Royal Navy to adjust the configuration of the airframe depending on the mission.

 Royal Navy’s CROWSNEST Airborne Surveillance and Control (ASaC)
Royal Navy’s “Crowsnest” Airborne Surveillance and Control (ASaC).

The Merlin HM Mk2 helicopter is the Royal Navy’s airborne submarine hunter. Lockheed Martin was the prime contractor responsible for upgrading 30 of the airframes for the Royal Navy, completing the work ahead of time and under budget. Merlin HM Mk2 crews are now able to operate the helicopter more efficiently and safely, improving the effectiveness of operations. We installed new critical multi-mission capabilities, made improvements to the way the helicopter processes data and provided large touch screen flat panel displays in the cockpits to improve situational awareness. Combined with the CROWSNEST Airborne Early Warning and Control capability, the Merlin HM Mk2 significantly enhances the U.K.’s maritime operational capability. Merlin HM Mk2, to this day, retains its reputation as the world’s most potent submarine hunting helicopter.

Royal Navy’s Merlin HM Mk2 Airborne Submarine Hunter Helicopter.
Royal Navy’s Merlin HM Mk2 Airborne Submarine Hunter Helicopter.
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