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AgustaWestland Apache

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AgustaWestland
IndustryAerospace, defense
PredecessorWestland Helicopters
Founded2000
Headquarters
Yeovil
,
United Kingdom
ProductsHelicopters, including Apache AH Mk 1


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The AgustaWestland Apache represents a licensed production variant of the Boeing AH-64D Apache Longbow attack helicopter, specifically adapted for use by the British Army's Air Corps. Boeing manufactured the initial eight units, while the subsequent 59 were assembled by Westland Helicopters—later known as AgustaWestland—at their facility in Yeovil, Somerset, using kits supplied by Boeing. Modifications distinguishing this British model from the AH-64D include incorporation of Rolls-Royce Turbomeca RTM322 engines, an updated electronic defensive aids system, and a folding rotor blade feature enabling operation from naval vessels. Initially designated WAH-64 by Westland Helicopters, it was subsequently assigned the designation Apache AH Mk 1 (also referred to as "Apache AH1") by the Ministry of Defence.

Deployed in Afghanistan from 2006, the Apache proved to be an effective platform for close air support missions. Its capability to operate from ship decks was validated through naval trials and temporary maritime deployments—an operational role unique among Apache operators. British Apaches also participated in NATO's 2011 military intervention in Libya, flying missions launched from Royal Navy vessels.

The Apache AH1 was officially retired on 25 March 2024, with all units subsequently remanufactured into the advanced AH-64E variant.

Development

During the early 1990s, the British government identified a need for a new attack helicopter. In 1993, formal requests for proposals were issued. Among the contenders were the Eurocopter Tiger, a modernized version of the Bell AH-1 SuperCobra, the AH-64 Apache, the Boeing/Sikorsky RAH-66 Comanche, and the Agusta A129 Mangusta. The Tiger, Comanche, and upgraded Cobra models required further development and presented higher risk factors, whereas the Apache had combat experience despite some criticism regarding its performance during the First Gulf War. In July 1995, Westland and the Apache were selected, leading to a contract for 67 helicopters signed in 1996.

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The first Westland-produced WAH-64 prototype flew in September 1998 under Boeing's license. Authorization for service entry of nine Apache AH1 helicopters was granted by British Army Aviation's director on 16 January 2001. The final unit of the batch was delivered in July 2004. The total fleet acquisition cost reached approximately £4.1 billion, with around £3.1 billion attributed to procurement expenses.

Concerns over reliability emerged from US operational experience; notably, in 1999, all Apaches deployed in the Balkans were grounded due to significant tail rotor failures. Development challenges also affected components such as the AN/APG-78 Longbow radar system in 1998, which faced issues related to weight, maneuverability impact, and data transmission capabilities. These technical difficulties combined with high program costs sparked calls for cancellation in 1999.

Initially conceived during a period when a large-scale conventional armoured assault from Eastern Bloc forces was anticipated as Britain's principal threat, military doctrine shifted after the Soviet Union's dissolution towards prioritizing flexibility and rapid deployment capabilities. The UK's Strategic Defence Review of 1998 mandated that Apaches be capable of amphibious assault roles operating from platforms such as HMS Ocean, Error: {{sclass}} missing required parameter: ship type (help) aircraft carriers (now retired), their successors Error: {{sclass}} missing required parameter: ship type (help) carriers, and potentially amphibious assault ships like HMS Bulwark and HMS Albion. Each squadron equipped with Apaches was intended to maintain eight operational helicopters.

Entry into service for Westland Apaches was delayed due to complexities arising from modifications tailored for British requirements. Prior to operational deployment in 2004, issues were identified including inadequate secure communication between helicopters and risks posed by missile launch debris damaging tail rotors and airframes during Hellfire missile firings. These concerns contributed to postponements in training schedules but were resolved before full service acceptance; secure communication systems were installed and Hellfire missiles became standard armament.

By 2002, official sources anticipated full operational capability would be achieved by 2010.

In 2005, projections estimated retirement around 2030 for the Apache fleet. Various strategies were evaluated to sustain capability:

  • Implementing a capability sustainment programme (CSP) aimed at extending fleet service life until approximately 2040.
  • Procuring new Block III helicopters.
  • Remanufacturing existing airframes to AH-64E standards by integrating current engines and avionics into new airframes.

In August 2015, a Foreign Military Sales request was submitted by the UK for upgrading fifty Apaches to AH-64E standard. The acquisition was confirmed in 2016 with contracts awarded in stages: initially for remanufacturing thirty-eight units in 2017 followed by twelve more in 2019. Throughout this period, Leonardo Helicopters maintained support responsibilities for Apache AH1s until their retirement in 2024. Boeing undertook remanufacturing efforts converting these helicopters into AH-64E Version 6 models equipped with US engines.

In early 2024, two retired AgustaWestland Apaches were acquired by the Australian Army for use as non-flying ground training platforms pending delivery of their own AH-64E Apaches. These helicopters were transported from the UK to the United States in March 2024 for conversion into dedicated training airframes.

Design

Helicopter flying over heathland
Apache undergoing training at Lulworth-Bovington, 2002

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The British variant of the Apache features several modifications distinguishing it from the standard US model and other export versions. A prominent alteration involves the installation of two Rolls-Royce Turbomeca RTM322 01/12 engines, which replace the original General Electric T700-GE-701C powerplants.[1] The Rolls-Royce Turbomeca engine delivers 1,565 kW (2,100 hp), compared to the GE T700C's output of 1,410 kW (1,890 hp).[2] Due to integrated special filters in the engine design, the Apache required fewer adaptations than many coalition helicopters to operate effectively in Afghanistan's environment.[3] Additionally, a folding rotor blade mechanism was introduced to facilitate storage in limited spaces;[4] furthermore, the rotor blades are equipped with anti-icing systems to enable operations in Arctic conditions.

Modifications were also applied to the aircraft’s sensor suite and avionics; a key enhancement is its integration with the BOWMAN secure communications system, enabling seamless communication with other British forces.[5] The helicopter was also outfitted with Leonardo’s (formerly Selex ES) Helicopter Integrated Defensive Aids System (HIDAS).[6] This defensive system was installed during mid-2004 just before the aircraft entered operational service, alongside several redesigned composite airframe components.[7]

In contrast to the American Hydra 70 rocket pods, Westland Apaches are capable of carrying up to seventy-six CRV7 rockets.[2][8] The CRV7 rockets feature modular warheads: options include a high-explosive semi-armour piercing type for unarmoured targets and a kinetic energy penetrator without explosives for engaging armoured threats.[9] Previously, a third warhead variant—the Multi-Purpose Sub Munition (MPSM)—was utilized; however, this was controversial due to its classification as a cluster bomb;[10] each rocket contained nine M73 submunitions.[11][12] In May 2008, prominent military figures including General David Ramsbotham publicly opposed Britain's continued retention of this weapon.[12][13] That same month, Britain joined other nations in agreeing to a humanitarian ban on cluster munitions under the Convention on Cluster Munitions.[14] The final stockpile of CRV7 MPSMs was destroyed by Britain in July of 2009.[10]

Pilot seated in cockpit observing controls
Longbow radar display unit

Mirroring the US AH-64D Apache Longbow configuration, the Apache AH1 is equipped with an AN/APG-78 Longbow fire-control radar (FCR) and Radar Frequency Interferometer (RFI), combining surveillance and targeting capabilities into one system.[2] Positioned atop the rotor hub assembly is the distinctive 'Longbow' radar dome; this elevated placement enables the helicopter to remain concealed behind obstacles while scanning for targets with only the radar exposed.[15] Besides target acquisition, the Longbow radar also monitors aerial traffic within its operational airspace.[16] Its capabilities extend to reconnaissance and terrain mapping functions.[17] A data modem integrated with the Longbow radar and other sensors allows real-time information sharing among multiple Apaches, enabling coordinated targeting where one helicopter can designate targets for others to engage.[18]

File:An Apache attack helicopter pilot of 4 REGT AAC inspects his aircraft while he awaits tasking. MOD 45160148.jpg
Longbow radar installation

AgustaWestland implemented multiple improvements across Britain's Apache fleet. In May of 2005, a contract valued at $212 million was awarded for upgrading all Mk1 helicopters with the Apache Arrowhead sensor system; this upgrade program was scheduled for completion by the year 2010.[19][20] By 2009, announcements confirmed that AgustaWestland was incorporating new external fuel tanks featuring ballistic protection.[21] An alternative Integrated Ammunition and Fuel unit could replace the standard magazine; this modification decreased ammunition capacity but extended loitering endurance. It has been suggested that enhancements such as advanced rotor blades and additional flight controls aimed at improving maneuverability were considered during a mid-life modernization phase.[22]

Overview

Front view of an attack helicopter during takeoff
Depiction of CRV7 rocket pods and Hellfire missile rails in 2012

The initial regiment equipped with Apaches reached operational capability in May 2005. The Westland Apache succeeded the Westland Lynx AH7 as the British Army's primary tactical attack helicopter. Two regiments within the Army Air Corps—3 Regiment AAC and 4 Regiment AAC—operated the Apache under the umbrella of the 1st Aviation Brigade. Its deployment was designed to fulfill armed reconnaissance and attack missions, paralleling the role of Apaches used by US forces during the 1991 Gulf conflict. Distinct from American variants, the Westland Apache underwent partial naval adaptation and was temporarily deployed aboard Royal Navy vessels alongside its ground-based operations. It secured maritime certification in December 2005 aboard HMS Ocean. Subsequently, on 17 November 2006, HMS Ark Royal became the first aircraft carrier to successfully land an Apache AH1.

The Apache first engaged in combat operations during Operation Herrick in Afghanistan starting May 2006. By August of that year, the high operational tempo resulted in British commanders acknowledging that ammunition and spare parts consumption exceeded initial estimates, leading to increased logistical costs. On 11 November 2007, reports indicated that half of Britain’s Apache fleet, along with other helicopters such as the Chinook and Merlin HC3, had been grounded due to falling below operational fitness standards. This situation deteriorated further by November 2008, when only 20 out of 67 Apaches were deemed available for combat deployment. In 2009, AgustaWestland secured a contract to provide support services for the Apache fleet and its components, including the Longbow radar system; subsequent months saw senior military officials note improved aircraft availability following this support transition. In June 2011, civilian maintenance personnel at Wattisham Airfield threatened industrial action over unresolved pay disputes.

In October 2008, it was announced that Prince Harry had commenced training to qualify as an Apache pilot. In May 2010, the terrorist group Al Qaeda issued threats to kidnap the prince should he operate an Apache in Afghanistan. By April 2011, Prince Harry had been promoted to captain after completing his Apache conversion course. Media outlets reported in June 2011 that he was scheduled to deploy to Afghanistan as an Apache pilot in 2012. He ultimately deployed with 662 Squadron in September of that year.

In January 2019, three Apaches were sent to Bardufoss Air Station in Norway for Exercise Clockwork, marking their inaugural cold-weather training mission within the Arctic Circle.

Afghanistan

The Apache helicopter's inaugural deployment occurred with the 16 Air Assault Brigade in Afghanistan, where eight Apache AH1s were sent in February 2007. These aircraft were sourced from No. 656 Squadron and No. 664 Squadron of the 9 Regiment Army Air Corps, stationed at Dishforth Airfield. Unlike the American Apaches operating in Afghanistan, the British AH1 model was equipped with the Longbow Fire Control Radar, enhancing the pilot’s ability to manage aerial traffic effectively. Early on, pilots frequently undertook missions lasting 16 to 18 hours due to the limited number of Apaches available in the operational theatre; typically, each helicopter served an eight-week tour in Afghanistan before returning to the UK for approximately eight weeks of maintenance.

On 22 May 2006, a UK Apache operating in Helmand province employed a Hellfire missile to destroy an abandoned French vehicle, safeguarding sensitive equipment onboard. The Apache quickly established itself as a crucial asset against insurgent forces, providing rapid response capabilities to counter Taliban activities on the ground. Major Huw Williams, deputy commander of 3rd Battalion, The Parachute Regiment, praised the platform as "a very effective beast." It has been reported that Taliban fighters colloquially refer to the aircraft as the "Mosquito."

On 13 January 2007, a British contingent of around 200 troops, led by Royal Marines, launched an assault on Jugroom Fort, a significant Taliban stronghold in southern Helmand Province. After intense combat, it was discovered that Lance Corporal Mathew Ford of 45 Commando Royal Marines was missing. A daring rescue operation was executed involving four volunteers—Royal Marines and a Royal Engineer—who were secured to the stub-wings of two Apaches. To minimize rotor downwash hazards for these passengers, the helicopters maintained speeds below 50 mph. The Apaches landed under hostile fire inside the compound, enabling the team to retrieve LCpl Ford’s body, which was then evacuated similarly. Throughout this mission, another Apache provided continuous suppressive fire. All rescuers returned uninjured and received commendations for their bravery.

In May and June of 2008, British and Afghan National Army units conducted Operation Eagle's Eye to disrupt Taliban operations south of Musa Qaleh. A key element included a night-time helicopter raid deploying soldiers from the 2nd Battalion, Parachute Regiment into the town swiftly. During June 2008, a British Apache fired a thermobaric Hellfire missile—a controversial weapon whose deployment had undergone thorough legal and ethical review within the Ministry of Defence. Later that month, an Apache from 664 Army Air Corps eliminated a Taliban leader and several associates with a Hellfire strike in Helmand Province. However, July 2008 saw a friendly fire incident when an Apache mistakenly engaged a position occupied by British patrol members—the first such blue-on-blue event involving UK aircraft in Afghanistan. In September 2008, an Apache suffered severe damage following a crash shortly after takeoff in Helmand; although no casualties occurred, the airframe was declared beyond repair.

Between early and mid-2009, British forces conducted raids on narcotics manufacturing and bomb-making sites supported by Apache helicopters. That summer, Apaches played an integral role in Operation Panther's Claw—aimed at clearing insurgents from civilian areas ahead of Afghanistan's 2009 presidential election. During this offensive, UK Apaches frequently operated alongside US Cobra helicopters to provide air support for Royal Regiment of Scotland (Black Watch) soldiers and Royal Marines engaged in ground combat. A precision strike by an Apache during these operations resulted in the death of senior Taliban commander Mullah Mansur and several associates.

On 25 July 2011, the Ministry of Defence reported that during combat operations in Helmand’s Nahr-e-Saraj district, several Afghan children were wounded due to crossfire involving an Apache helicopter; they were subsequently evacuated to Camp Bastion for medical care.

From 2006 until April 2014, British Apaches accumulated approximately 50,000 flight hours during Afghan operations—constituting about one-third of all UK Apache flying time. The United Kingdom formally concluded its combat mission in Afghanistan in October 2014.

Naval operations and Libya

Helicopter flying towards camera from an aviation vessel at sea
Operating from HMS Ocean off the Libyan coast, 2011

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File:HMS Ocean nearing the end of her Operational Sea Training with Chinook and Apache on deck. MOD 45158421.jpg
Apache alongside Chinook on the deck of HMS Ocean in November 2014

In May 2011, the Ministry of Defence declared that the Apache helicopter fleet had surpassed 100,000 flight hours, highlighting its importance as a "crucial battlefield asset in Afghanistan". The Apache was also acknowledged for having developed a "restricted maritime strike capability" with deployments aboard vessels such as HMS Ocean. On 17 May 2011, the Apache engaged in its inaugural test firing of Hellfire missiles at maritime targets, successfully launching nine missiles with a flawless hit rate.

On 27 May 2011, military authorities confirmed the deployment of Apaches as part of Operation Ellamy, the ongoing Libyan intervention. These helicopters operated from HMS Ocean’s flight deck alongside French Eurocopter Tiger helicopters during missions over Misrata. Additionally, Apaches were assigned roles within Operation Unified Protector, enforcing embargoes and maintaining a no-fly zone over Libya. Reports on 14 June 2011 indicated British preparations to evacuate personnel from Yemen, involving Apache and Merlin helicopters operating from Royal Fleet Auxiliary ships offshore.

Apaches conducted their first strikes inside Libya on 4 June 2011, targeting and destroying a radar installation and an armed checkpoint near Brega. Subsequent precision attacks frequently focused on mobile air defense units, occasionally encountering small arms fire such as from AK-47 rifles. Early June saw Apaches supporting operations against pro-Gaddafi forces attacking Misrata. On 13 June, British Apaches destroyed several inflatable boats—believed to be operated by Libyan Special Forces—with 30 mm cannon fire before targeting and eliminating multiple vehicles along the coastline, including an anti-aircraft weapon system. Coordinated strikes with RAF Tornado aircraft on 25 June targeted loyalist troops and vehicles around Brega and its airfield. On 1 July, British Apaches were reported to have engaged in intense combat near the town of Khoms. The following day, they destroyed several tanks and a fortified bunker at a military camp near Zawiya. On 5 August, Apaches participated in rebel advances toward the town of Zliten.

By 21 June 2011, claims emerged from the Libyan government alleging they had shot down numerous aircraft, including five Apaches; however, NATO refuted these assertions and no Apache losses have been officially confirmed. The Ministry of Defence released data on 8 July detailing Apache combat operations during their initial month over Libya, noting engagements with targets on 39 separate occasions. Apache missions were heavily coordinated with NATO reconnaissance and intelligence flights, which provided continuous updates on target locations, assessed surface-to-air missile threats, and monitored civilian presence—allowing real-time adjustments to mission parameters. On 6 August, Apaches targeted a military communications center and personnel at Al Watiyah. Both Apache helicopters and Typhoon jets were withdrawn from Libyan operations by September 2011 as operational requirements diminished.

Former users

File:AgustaWestland Apache AH1 10 (5968018661).jpg
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Survivors

Specifications (Apache AH1)

File:McDonnell Douglas AH-64 Apache 3-view line drawing.png
File:WAH-64 narrow aspect.jpg
Rear perspective of an Apache readying for takeoff, showcasing its slender fuselage

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See also

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References

Citations
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  7. ↑ Hoyle 2004, p. 59.
  8. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named bis 47
  9. ↑ RAF History, CRV-7 Archived 4 April 2012 at the Wayback Machine.
  10. ↑ 10.0 10.1 Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  11. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).Template:Fix/category[permanent dead link]
  12. ↑ 12.0 12.1 Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  13. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  14. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  15. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  16. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named did 2007
  17. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  18. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  19. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  20. ↑ "United Kingdom Awards Lockheed Martin $212 Million Contract For Arrowhead System Production" Lockheed Martin. Published: May 2, 2005.
  21. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  22. ↑ Finch 1996, p. 2.
  23. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
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  27. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  28. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
  29. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
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  31. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
Bibliography
  • "AH Mk1 Apache". AgustaWestland. Accessed 30 June 2011.
  • Bishop, Chris and Jim Laurier. "Apache AH-64 Boeing (McDonnell Douglas) 1976–2005". Osprey Publishing, 2005. ISBN 1-84176-816-2.
  • Finch, Roger S. "Helicopter Certification: The Challenge of Testing UK Apache". Boscombe Down: Defence Test & Evaluation Organisation, 1996.
  • Heyman, Charles. "The British Army Guide". Barnsley: Pen & Sword Books, 2005. ISBN 1-84415-280-4.
  • Hoyle, Craig. "Apaches At Ready – Despite Delays in Training Pilots for the Boeing/Westland Apache AH1, the British Army has no Reservations about its New Attack Helicopter". Archived version available. Flight International, 26 July 2004. pp. 58–60.
  • Lewis, Damien. "Apache Dawn", Sphere, 2009. ISBN 978-0-7515-4191-5.
  • McGowen, Stanley S. "Helicopters: an illustrated history of their impact". ABC-CLIO, 2005. ISBN 1-85109-468-7.
  • National Audit Office. "Building an Air Manoeuver Capability: The Introduction of the Apache Helicopter". London: The Stationery Office, 28 October 2002.

Further reading

  • King, Anthony. "The Transformation of Europe's Armed Forces: From the Rhine to Afghanistan". Cambridge University Press, 2011. ISBN 0-521-76094-1.
  • Macy, Ed. "Hellfire". Harper Collins, 2010. ISBN 0-00-728820-4.
  • Madison, Charlotte. "Dressed to Kill", Headline Review, 2010. ISBN 0-7553-1962-1.
  • Ryan, Mike. "Battlefield Afghanistan". Spellmount, 2007. ISBN 1-86227-390-1.
  • Thornton, Rod. "Asymmetric Warfare: Threat and Response in the Twenty-First Century". Polity, 2005. ISBN 0-7456-3365-X.

External links

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