AgustaWestland Merlin HC.4
united kingdom Fleet Air Arm

2017 to present

Fleet Air Arm Merlin HC.4

25 ex RAF Merlin HC.3 and HC.3A airframes transferred to the Royal Navy to provide the Royal Marine Commando lift, during the retirement of the Sea King HC.4/HC.6 fleet. The HC.3/HC.3A transfer from the RAF began on 30 Sep 2014 and completed on 9 Jul 2015. 846 Squadron first unit to operate from Sep 2014. 845 Squadron will be the second FAA unit to stand up.

The HC.3 on transfer were not optimised for maritime operations and temporary marinisation work was undertaken to provide minimal capability (eg folding main rotors) under the Interim HC.3 (iHC.3) programme - in advance of the full conversion to HC.4 standard across the fleet.

The Merlin HC4 on display at Yeovilton Air Day 2017 was the second production Mk4 the first appeared before Air Day on a visit but it was the second aircraft complete with nose mounted FlIR Ball that was there on the Saturday

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Royal Navy’ Merlins Reaches 200,000 Flight Hours, 29-Jan-19 : #Merlin Royal Navy EH101 Merlin fleet achieved 200.000 flight hours since entered service 1997. With the AEW Crowsnest about to enter service, the type is expected to serve at least until 2030s

Merlin Commando First Time on Type 23 Frigate, 04-Oct-18 : #Merlin4 For the first time a Merlin HC.4 landed on a Type 23 Frigate

Merlin Mk4 Deck Quals on HMS Queen Elizabeth, 20-Aug-18 : #westlant18 Royal Marine assault helicopters Merlin Mk4 from 845 Squadron will train with 42 Commando on HMS Queen Elizabeth as first step of Exercise West Lant 18, her first F-35 deck operations

First Commando Merlin Mk4 Delivered to Royal Navy, 24-May-18 : #commando UK Fleet Air Air took delivery of the first of 25 upgraded Commando Merlin Mk4 ( Merlin HC.4 ) to support the Royal Marines Commando Force

Merlin HC4 Makes Yeovilton Debut, 12-Jul-17 : First former RAF Merlin in new configuration HC4 was displayed at the Yeovilton Air Day 2017. Junglie Merlins, 25 to be delivered to the Commando Helicopter Force by 2020, are painted in pale grey

AW101 Merlin Mk4 Makes Maiden Flight, 21-Nov-16 : Leonardo is upgrading 25 ex RAF Merlin Mk3/3A to the ‘Junglie’ Mk4/4A standard as part of the Merlin Life Sustainment Programme (MLSP) contract to be delivered between 2017 and 2020

Royal Marines Merlin Mk4 First Flight, 28-Oct-16 : The AW101 Merlin Mk4, converted from ex RAF HC.3, replaced the Junglie Sea King HC.4 and will be the mainstay of British Commando Helicopter Force for the next decade and beyond

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YearsUnitsbold : Current base of the Unit
2018/    845 NAS RNAS Yeovilton
2017/    846 NAS RNAS Yeovilton


CVS Queen Elizabeth class

List of Aircraft

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C/NBuiltID     In this OrganisationIn other Org

50083 2000     ZJ120: hc.4 RN /D HC.4 type asg 845Sq by Jul18, pictured (pic2)
Royal Air Force ZJ120: RAF; 18jun11 pictured (pic1) at Kemble, England

28/78 Sq/D by Oct09. Part of 1st detachment of RAF Merl+

01may15 flying round Farnborough upper lambourn/uffingt+
50099 2000     ZJ121: hc.4 Oct18 /E HC.4 type asg 845NAS first Commando Merlin landin+
Royal Air Force ZJ121: RAF; 2007 28Sqn./E

19nov13 pictured (pic1) at Yeovil
50113 2000     ZJ122: hc.4 Royal Navy /F from Aug15; Oct16 first flight of HC.4 type
Royal Air Force ZJ122: RAF 50113/RAF06 f/f 26jun00 d/d 11dec00; /F

Jul06 pictured (pic1) as 28 Sqn /F at RAF Fairford

29sep08 pictured (pic2) at Al Fao, Iraq

1419 Flt /F, in Iraq Jun 2009

07aug13 emergency landing in a field at Old Colwyn. no +

11jul14 at Fairford for RIAT 2014

13apr15 leaving Brize Norton
50133 2000     ZJ124: hc.4 RN; Jan18 at Yeovil, being conv to HC4
Royal Air Force ZJ124: 08mar03 HC.3 type 28Sqd./H at Rotterdam

24 Apr 2003 Conducted lifts of air conditioning units o+

RAF HC.3 /H; 17jul11 pictured (pic1) with 28Sqd at RAF +
50137 2000     ZJ125: hc.4 to Agusta Westland for conversion to HC.4
Royal Air Force ZJ125: RAF

1419 Flt /J, in Iraq Jun 2009

23may11 as 78Sq /J pictured (pic1) at RAF Benson
50149 2001     ZJ127: hc.4 08jul17 /L pictured at RNAS Yeovilton Air Day 2017
Royal Air Force ZJ127: RAF 50149/RAF11 in 2003 /L 28Sqn.

25feb17 rear fuselage and tail boom seen in storage yar+

AgustaWestland UK ZJ127: conv to fully marinised HC.4
50153 2001     ZJ128: hc.4 2018 conv to Commando Mk4 at Leonardo Yeovil
Royal Air Force ZJ128: 50153/RAF12; 2003 /M 28Sqn; 19aug06 pictured (pic1) at +
50173 2001     ZJ131: hc.4 To AW / Leonardo Yeovil for conversion to HC.4 standard and +
Royal Air Force ZJ131: RAF Merlin HC.3 28Sqn./P; 11may07 pictured (pic1) at E+

1419 Flt /P by Jun 2009; returned to UK to MDMF Culdros+
50183 2001     ZJ134: hc.4 To AW / Leonardo Yeovil for conversion to HC.4 standard and +
Royal Air Force ZJ134: RAF

1419 Flt /S, in Iraq Jun 2009; MDMF Culdrose on 9 Jul 2+

23apr13 seen at the west coast of Wales

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