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The Bell AH-1Z Viper is a twin-engine attack helicopter, based on the
AH-1W SuperCobra The Bell AH-1 SuperCobra is a twin-engined attack helicopter that was developed on behalf of, and primarily operated by, the United States Marine Corps (USMC). The twin Cobra family, itself part of the larger Huey family, includes the AH-1J Se ...
, designed and produced by the American aerospace manufacturer
Bell Helicopter Bell Textron Inc. is an American aerospace manufacturer headquartered in Fort Worth, Texas. A subsidiary of Textron, Bell manufactures military rotorcraft at facilities in Fort Worth, and Amarillo, Texas, as well as commercial helicopters in M ...
. Being one of the latest members of the prolific
Bell Huey family The Bell Huey family of helicopters includes a wide range of civil and military aircraft produced since 1956 by Bell Helicopter. This H-1 family of aircraft includes the utility UH-1 Iroquois and the derivative AH-1 Cobra attack helicopter series ...
, it is also called "Zulu Cobra", based on the military phonetic alphabet pronunciation of its variant letter. The AH-1Z was developed during the 1990s and 2000s as a part of the
H-1 upgrade program The H-1 upgrade program is the United States Marine Corps's program to develop the AH-1Z Viper and UH-1Y Venom military helicopters to replace its aging fleets of AH-1W SuperCobras and UH-1N Twin Hueys. The contract was awarded in 1996 to Bell Hel ...
on behalf of the
United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...
(USMC). It is essentially a modernisation of the service's existing AH-1Ws, and was originally intended to be a rebuild program before subsequent orders were made for new-build helicopters instead. The AH-1Z and Bell UH-1Y Venom utility helicopter share a common tailboom, engines, rotor system, drivetrain, avionics architecture, software, controls and displays for over 84% identical components. Furthermore, it features a four-blade, bearingless, composite main rotor system, uprated transmission, and a new target sighting system amongst other improvements. On 8 December 2000, the AH-1Z conducted its
maiden flight The maiden flight, also known as first flight, of an aircraft is the first occasion on which it leaves the ground under its own power. The same term is also used for the first launch of rockets. The maiden flight of a new aircraft type is alwa ...
; low-rate initial production was launched in October 2003. On 30 September 2010, the USMC declared that the AH-1Z had attained combat readiness; it fully replaced the preceding AH-1W Super Cobra during October 2020. The type forms a key element of the Aviation Combat Element (ACE) taskforce which support all phases of USMC expeditionary operations. Since its introduction, the USMC has pursued various upgrades, such as installing
Link 16 Link 16 is a military tactical data link network used by NATO and nations allowed by the MIDS International Program Office (IPO). Its specification is part of the family of Tactical Data Links. With Link 16, military aircraft as well as ship ...
datalink and outfitting it with the AGM-179A Joint Air-to-Ground Missile (JAGM). Additionally, numerous export customers have been sought for the AH-1Z, it has regularly competed with the
Boeing AH-64 Apache The Boeing AH-64 Apache () is an American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two. It features a nose-mounted sensor suite for target acquisition and night vis ...
for orders. The first export customer was the
Royal Bahraini Air Force The Royal Bahraini Air Force ( ar, سلاح الجو الملكي البحريني, abbreviated as RBAF, formerly known as Bahrain Amiri Air Force) is the aerial warfare branch of the Bahrain Defence Force (BDF). Originally formed as the BDF A ...
, the
Czech Air Force "The air is our sea" , colours = , colours_label = , march = , mascot = , anniversaries = , equipment = , equipment_label = , battles = , decorations = , battle_honours = , battle_honours_label = , flying_hours = , websi ...
has also ordered the type. At one point, Pakistan was set to operate its own AH-1Zs, but deliveries were blocked due to political factors.


Development


Background

Aspects of the AH-1Z can be traced back to the experimental Bell 249 of 1979, which was essentially an upgraded AH-1S, having been equipped with the four-blade main rotor system from the Bell 412 utility helicopter. The Bell 249 was used as a demonstrator for Bell's ''Cobra II'' concept, and made an appearance at the
Farnborough Airshow The Farnborough Airshow, officially the Farnborough International Airshow, is a trade exhibition for the aerospace and defence industries, where civilian and military aircraft are demonstrated to potential customers and investors. Since its fir ...
in 1980. As promoted by Bell, the Cobra II was to be equipped with various new and redesigned combat systems, which included the AGM-114 Hellfire
air-to-ground missile An air-to-surface missile (ASM) or air-to-ground missile (AGM) is a missile designed to be launched from military aircraft at targets on land or sea. There are also unpowered guided glide bombs not considered missiles. The two most common p ...
, a new targeting system, and was also to be powered by improved engines as well. The further-developed Cobra 2000 proposal included the
General Electric T700 The General Electric T700 and CT7 are a family of turboshaft and turboprop engines in the class. Design and development In 1967, General Electric began work on a new turboshaft engine demonstrator designated the "GE12" in response to US Army i ...
engine and a four-blade rotor. While Bell's for the proposal did generate some interest within the US Marine Corps, funding was not forthcoming to pursue its development at that time. During 1993, Bell opted to enter an AH-1W-based variant for the UK's new attack helicopter program. This derivative, which was named the ''CobraVenom'', featured a modern digital cockpit and could carry
wire-guided missile A wire-guided missile is a missile that is guided by signals sent to it via thin wires connected between the missile and its guidance mechanism, which is located somewhere near the launch site. As the missile flies, the wires are reeled out behi ...
s, Hellfire or Brimstone missiles. The CobraVenom design was further refined two years later, notably by the adoption of a four-blade rotor system. However, later that same year, a rival bid for the
AH-64D Apache Longbow The Boeing AH-64 Apache () is an American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two. It features a nose-mounted sensor suite for target acquisition and night vis ...
was selected to fulfil the program instead.


H-1 upgrade program

In 1996, the USMC launched the H-1 upgrade program by signing a contract with Bell Helicopter for upgrading 180 AH-1Ws into AH-1Zs and upgrading 100
UH-1N The Bell UH-1N Twin Huey is a medium military helicopter designed and produced by the American aerospace manufacturer Bell Helicopter. It is a member of the extensive Huey family, the initial version was the CUH-1N Twin Huey (later CH-135 Twin ...
s into UH-1Ys.Bishop, Chris. ''Huey Cobra Gunships''. Osprey Publishing, 2006. . The H-1 program created completely modernized attack and
utility helicopter A utility helicopter is a multi-purpose helicopter capable of fulfilling many different roles. Civil Many civilian helicopters are made for utility work such as agricultural aircraft. Many police and fire departments maintain and operate utili ...
s with considerable design commonality to reduce operating costs. The AH-1Z and UH-1Y share a common tailboom, engines, rotor system, drivetrain, avionics architecture, software, controls and displays for over 84% identical components. Bell participated in a joint government test team during the engineering manufacturing and development phase of the H-1 program. Research and development progressed slowly from 1996 to 2003. The existing two-blade semi-rigid, teetering rotor system was replaced with a four-blade, hingeless, bearingless rotor system. The four-blade configuration provides improvements in flight characteristics including increased flight envelope, maximum speed, vertical rate of climb, payload and reduced rotor vibration level.AH-1W/AH-1Z Super Cobra Attack Helicopter, USA
Airforce-Technology.com. Retrieved: 14 January 2008.
The AH-1Z first flew on 8 December 2000. Bell delivered three prototype aircraft to the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
's
Naval Air Systems Command The Naval Air Systems Command (NAVAIR) provides materiel support for aircraft and airborne weapon systems for the United States Navy. It is one of the Echelon II Navy systems commands (SYSCOM), and was established in 1966 as the successor to the ...
at
Naval Air Station Patuxent River Naval Air Station Patuxent River , also known as NAS Pax River, is a United States naval air station located in St. Mary’s County, Maryland, on the Chesapeake Bay near the mouth of the Patuxent River. It is home to Headquarters, Naval Air S ...
in July 2002, for the flight test phase of the program. Low-rate initial production began in October 2003, with deliveries running through 2018. In late 2006, a contract was awarded to Meggitt Defense Systems to develop a new linkless 20 mm ammunition handling system to improve on the gun feed reliability of the existing linked feed system. In February 2008, the U.S. Navy adjusted the contract so the last 40 AH-1Zs were built as new airframes instead of the previously planned rebuild of AH-1Ws. In September 2008, the Navy requested an additional 46 airframes for the Marine Corps, bringing the total number ordered to 226. During 2010, the Marine Corps ordered 189 AH-1Zs, with 58 of them being new airframes, with deliveries to continue until 2022. On 10 December 2010, the Department of the Navy approved the AH-1Z for full-rate production. In November 2022, Bell delivered the 189th AH-1Z to the U.S. Marine Corps, completing the program of record for the Viper. Combined with the 160 UH-1Y airframes which completed delivery in 2018, it marked the final deliveries of the H-1 series rotorcraft for the U.S. military since deliveries began in 1959.


Design

The Bell AH-1Z Viper is an attack helicopter derived from the earlier
Bell AH-1 SuperCobra The Bell AH-1 SuperCobra is a twin-engined attack helicopter that was developed on behalf of, and primarily operated by, the United States Marine Corps (USMC). The twin Cobra family, itself part of the larger Huey family, includes the AH-1J Se ...
. When contrasted against its predecessor, it incorporates various improvements and advances, including new rotor technology, upgraded military avionics, updated weapons systems, and electro-optical sensors in an integrated weapons platform. Amongst other advantages provided by these changes, it has improved survivability and can locate targets at longer ranges and also attack them using precision weapons. The airframe was extensively redesigned to maximise crashworthiness; measures include energy-absorbing
landing gear Landing gear is the undercarriage of an aircraft or spacecraft that is used for takeoff or landing. For aircraft it is generally needed for both. It was also formerly called ''alighting gear'' by some manufacturers, such as the Glenn L. Martin ...
, fuel vapor inerting systems,
self-sealing fuel tank A self-sealing fuel tank is a type of fuel tank, typically used in aircraft fuel tanks or fuel bladders, that prevents them from leaking fuel and igniting after being damaged. Typical self-sealing tanks have multiple layers of rubber and reinforc ...
s, energy-attenuating crashworthy seating, and a mass retention design approach applied to many major components. Active systems include
countermeasure A countermeasure is a measure or action taken to counter or offset another one. As a general concept, it implies precision and is any technological or tactical solution or system designed to prevent an undesirable outcome in the process. The fi ...
dispensers, radar warning, incoming/on-way missile warning, on-fuselage laser spot warning systems, and the Hover Infrared Suppression System (HIRSS) to protect the engine exhausts. The AH-1Z is equipped with a bearingless and hingeless rotor system; this has 75% fewer parts than that of four-bladed articulated systems. The rotor blades are composed of
composite Composite or compositing may refer to: Materials * Composite material, a material that is made from several different substances ** Metal matrix composite, composed of metal and other parts ** Cermet, a composite of ceramic and metallic materials ...
s, which give them increased ballistic survivability; the rotor is equipped with a semi-automatic folding system, enabling the AH-1Z to be stored more efficiently aboard
amphibious assault ship An amphibious assault ship is a type of amphibious warfare ship employed to land and support ground forces on enemy territory by an amphibious assault. The design evolved from aircraft carriers converted for use as helicopter carriers (and, a ...
s and other means of transportation. Efforts were made to maximise its maintainability and to minimise maintenance requirements; in comparison to the SuperCobra, numerous maintenance tasks have been eliminated, interactive electronic technical manuals have been produced, less spares storage is required, and accessibility has also been improved. Furthermore, various fault detection sensors are present to facilitate condition-based maintenance. The AH-1Z is equipped with a pair of redesigned stub wings, these being substantially longer than those of the preceding SuperCobra. Each one has an additional wingtip station for a missile such as the
AIM-9 Sidewinder The AIM-9 Sidewinder (where "AIM" stands for "Air Intercept Missile") is a short-range air-to-air missile which entered service with the US Navy in 1956 and subsequently was adopted by the US Air Force in 1964. Since then the Sidewinder has prov ...
. Each stub wing has two other stations for 2.75-inch (70 mm) Hydra 70 rocket pods, or AGM-114 Hellfire quad missile launchers. The
AN/APG-78 Longbow The AN/APG-78 Longbow is a millimeter-wave fire-control radar (FCR) system for the AH-64D/E Apache attack helicopter. It was initially developed in the 1980s as the Airborne Adverse Weather Weapon System (AAWWS) as part of the Multi-Stage Imp ...
fire control radar can also be mounted on a wingtip station. Similarly, other mission equipment can be fitted to these stations, including 77 and 100 gallon external auxiliary fuel tanks, LUU-2A/B nighttime illumination
flare A flare, also sometimes called a fusée, fusee, or bengala in some Latin-speaking countries, is a type of pyrotechnic that produces a bright light or intense heat without an explosion. Flares are used for distress signaling, illumination, ...
s, and numerous types of practice munitions. Underneath the nose of the AH-1Z is an A/A49E-7 turret fitted with a 20 mm (0.787 in) M197 three-barreled
rotary cannon A rotary cannon, rotary autocannon, rotary gun or Gatling cannon, is any large- caliber multiple-barreled automatic firearm that uses a Gatling-type rotating barrel assembly to deliver a sustained saturational direct fire at much greater ...
; this weapon has a higher muzzle velocity and flatter trajectory than predecessors; it is also compatible with M50-series air-to-air rounds. The cockpit of the AH-1Z has been designed so that both crewmembers have virtually identical controls; it can be readily flown from either the front or rear positions. These positions incorporate a Hands on Collective and Stick (HOCAS) side-stick architecture, which enables many functions to be carried out by the pilot without moving their hands from the flight controls. Both of the two crew stations are provisioned with a pair of 8×6-inch multifunction liquid crystal displays (LCD) and a single 4.2×4.2-inch dual function LCD. The AH-1Z has an integrated avionics system developed by
Northrop Grumman Northrop Grumman Corporation is an American multinational aerospace and defense technology company. With 90,000 employees and an annual revenue in excess of $30 billion, it is one of the world's largest weapons manufacturers and military techn ...
; this system includes two mission computers and an automatic flight control system. The communications suite combines a U.S. Navy RT-1824 integrated radio, UHF/VHF, COMSEC and
modem A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. A modem transmits data by Modulation#Digital modulati ...
into a single unit. The navigation suite includes an embedded
GPS The Global Positioning System (GPS), originally Navstar GPS, is a Radionavigation-satellite service, satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of t ...
inertial navigation system An inertial navigation system (INS) is a navigation device that uses motion sensors (accelerometers), rotation sensors ( gyroscopes) and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (dire ...
, a digital map system and Meggitt's low-airspeed air data subsystem, which allows weapons delivery when hovering. Crewmembers are equipped with the
Thales Thales of Miletus ( ; grc-gre, Θαλῆς; ) was a Greek mathematician, astronomer, statesman, and pre-Socratic philosopher from Miletus in Ionia, Asia Minor. He was one of the Seven Sages of Greece. Many, most notably Aristotle, regarded him ...
"Top Owl" helmet-mounted sight and display system. This display provides a 24-hour day/night capability and a binocular display with a 40° field of view; its visor projection provides
forward looking infrared Forward-looking infrared (FLIR) cameras, typically used on military and civilian aircraft, use a thermographic camera that senses infrared radiation. The sensors installed in forward-looking infrared cameras, as well as those of other thermal ...
(FLIR) or video imagery. Furthermore, it has been designed from the onset to accommodate in-service upgrades. The
Lockheed Martin The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It ...
target sight system (TSS) incorporates a third-generation FLIR sensor which provides target sighting and identification in day, night, or adverse weather conditions. It is a passive sensor, unlike radar, thus is untrackable. The TSS has various view modes and can track with FLIR or by TV. The same system is also used on the
KC-130J The Lockheed Martin (previously Lockheed) KC-130 is a family of the extended-range tanker version of the C-130 Hercules transport aircraft. The KC-130J is the latest variant operated by the United States Marine Corps (USMC), with 48 delivered ...
Harvest HAWK.


Operational history


United States

During May 2005, it was announced that the AH-1Z had completed its first round of sea-based flight trials. On 15 October 2005, the USMC, through the Naval Air Systems Command, accepted delivery of the first AH-1Z production standard helicopter. Both the AH-1Z and UH-1Y completed their developmental testing during early 2006. During the first quarter of 2006, initial examples of the type were transferred to the Operational Test Unit at the NAS Patuxent River to undergo operational evaluation (OPEVAL) testing. In February 2008, both the AH-1Z and UH-1Y began the second and final portion of OPEVAL testing. On 30 September 2010, the USMC declared that the AH-1Z had attained combat readiness. Since the type's introduction, numerous upgrades have been investigated and integrated. During March 2022, it was announced that the AGM-179A Joint Air-to-Ground Missile (JAGM) has achieved
initial operational capability Initial operating capability or initial operational capability (IOC) is the state achieved when a capability is available in its minimum usefully deployable form. The term is often used in government or military procurement. The United States D ...
upon the AH-1Z; this munition will replace both the Hellfire and Maverick missiles. As of early 2022, work to install kits to facilitate a
Link 16 Link 16 is a military tactical data link network used by NATO and nations allowed by the MIDS International Program Office (IPO). Its specification is part of the family of Tactical Data Links. With Link 16, military aircraft as well as ship ...
datalink upon both the AH-1Z and UH-1Y was underway. During October 2020, the USMC announced the withdrawal of the last of its AH-1W Super Cobras; the type has been entirely replaced by AH-1Z Vipers. In USMC service, the AH-1Z forms a key element of the Aviation Combat Element (ACE), a task-orientated force of supporting the USMC throughout all phases of its expeditionary operations; key tasks in this capacity include offensive air support, anti-air warfare, assault support, and aerial reconnaissance. During the early 2020s, there were debates over cutting as much as one-third of the USMC's attack helicopter fleet in order to reallocate budget to other capabilities. In May 2021, even as deliveries continued, several USMC AH-1Zs went into long-term storage at the 309th Aerospace Maintenance and Regeneration Group (AMARG) in
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
as part of a wider restructuring effort.


Bahrain

On 27 April 2018, the U.S. Defense Security Cooperation Agency announced it had received U.S. State Department approval and notified Congress of a possible sale to
Bahrain Bahrain ( ; ; ar, البحرين, al-Bahrayn, locally ), officially the Kingdom of Bahrain, ' is an island country in Western Asia. It is situated on the Persian Gulf, and comprises a small archipelago made up of 50 natural islands and an ...
of 12 AH-1Zs, 26 T-700 GE 401C engines, and armaments for an estimated cost of US$911.4 million. In November 2018, Bahrain confirmed the order for 12 AH-1Zs, and the first six were delivered in mid-2022.


Czech Republic

In 2016, Bell was also interested in selling the AH-1Z to the
Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
, which sought to retire its Soviet-era
Mil Mi-24 The Mil Mi-24 (russian: Миль Ми-24; NATO reporting name: Hind) is a large helicopter gunship, attack helicopter and low-capacity troop transport with room for eight passengers. It is produced by Mil Moscow Helicopter Plant and has been ...
gunships. In December 2019, the Czech Republic finalized the sale with the U.S. of four AH-1Zs for the
Czech Air Force "The air is our sea" , colours = , colours_label = , march = , mascot = , anniversaries = , equipment = , equipment_label = , battles = , decorations = , battle_honours = , battle_honours_label = , flying_hours = , websi ...
. In March 2022, Czech Defense Minister Jana Černochová announced plans to buy further helicopters, attributing this decision to the recent
Russian invasion of Ukraine On 24 February 2022, in a major escalation of the Russo-Ukrainian War, which began in 2014. The invasion has resulted in tens of thousands of deaths on both sides. It has caused Europe's largest refugee crisis since World War II. An ...
.


Other foreign interest

During the early 2010s, the AH-1Z was being offered to
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
, competing against the AH-64 Apache and the
TAI/AgustaWestland T129 ATAK The TAI/AgustaWestland T129 ATAK is a twin-engine, tandem seat, multi-role, all-weather attack helicopter based on the Agusta A129 Mangusta platform. The T129 was developed by Turkish Aerospace Industries (TAI) in partnership with Leonardo (Ag ...
attack helicopters. During April 2013, South Korea announced the selection of the rival AH-64E bid. In April 2015, the U.S. State Department approved a possible
Foreign Military Sales The United States Department of Defense's Foreign Military Sales (FMS) program facilitates sales of U.S. arms, defense equipment, defense services, and military training to foreign governments. The purchaser does not deal directly with the defens ...
(FMS) to Pakistan for 15 AH-1Z Vipers with Hellfire missiles, associated equipment and support worth up to $952 million. In early 2016 Pakistan was reportedly set to receive nine AH-1Zs by September 2018. However, Pakistan's order was placed on hold on account of political tensions between the U.S. and Pakistan. The order for 12 aircraft has not been cancelled; by May 2019, nine have been built but are stored at the 309th AMARG base, awaiting a resolution to the friction between the two countries. During 2016, it was reported that the Royal Moroccan Air Force was interested in procuring a number of AH-1Zs. In November 2016, Bell Helicopter signed a memorandum of understanding with Romanian airspace company IAR – Ghimbav Brasov Group for potential collaboration on the AH-1Z. In August 2017,
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
also signed a letter of intent with Bell Helicopter to establish a joint venture with Romanian state-owned
ROMARM , type = State-owned corporation , industry = Defense , successor = , foundation = , founder = , defunct = , location_city = Bucharest , location_country = Romania , coordinates = , locations = , area_served = worldwide , key_peop ...
for the potential procurement of a number of AH-1Zs. In 2017, Bell promoted both the AH-1Z and the UH-1Y Venom to the
Australian Army The Australian Army is the principal Army, land warfare force of Australia, a part of the Australian Defence Force (ADF) along with the Royal Australian Navy and the Royal Australian Air Force. The Army is commanded by the Chief of Army (Austral ...
as a potential replacement for their existing fleet of Eurocopter Tiger attack helicopters. In January 2021, the Australian Government announced that it would purchase the AH-64E Apache to replace its Tigers. In July 2017, Bell Helicopter and
Polish Armaments Group The Polska Grupa Zbrojeniowa (PGZ SA) is a holding company established by the Polish government to unite Polish state owned defence industry companies. The headquarters of this group is in Radom. The Group comprises over 30 companies (including ...
signed a letter of intent planning on cooperating on the UH-1Y and AH-1Z helicopters, forming a potential bid for the Polish Kruk attack helicopter acquisition program, part of a wider modernization effort. In March 2022, in light of Russia's invasion of Ukraine, Poland has reportedly delayed a decision on new attack helicopters until after the completion of a sweeping security review. In October 2017, Thailand's minister of Defence
Prawit Wongsuwan Prawit Wongsuwon ( th, ประวิตร วงษ์สุวรรณ, , ; born 11 August 1945) is a Thai politician who is serving as the First Deputy Prime Minister and previously served as Minister of Defence from 2008 to 2011 during th ...
stated that Thailand is looking onto replacing its fleet of aging AH-1F Cobra attack helicopters and will launch a procurement committee to look into the matter.
Royal Thai Army The Royal Thai Army or RTA ( th, กองทัพบกไทย; ) is the army of Thailand and the oldest and largest branch of the Royal Thai Armed Forces. History Origin The Royal Thai Army is responsible for protecting the kingdom's so ...
officials have said that they are interested in the AH-1Z, as well as the
Agusta A129 Mangusta The Agusta A129 Mangusta ( en, Mongoose) is an attack helicopter originally designed and produced by Italian company Agusta. It is the first attack helicopter to be designed and produced wholly in Europe. It has continued to be developed by Agus ...
,
Mil Mi-28 The Mil Mi-28 ( NATO reporting name "Havoc") is a Russian all-weather, day-night, military tandem, two-seat anti-armor attack helicopter. It is an attack helicopter with no intended secondary transport capability, better optimized than the Mi ...
,
CAIC Z-10 The CAIC Z-10 ( zh, 直-10, "helicopter-10"), also called WZ-10 ( zh, 武直-10, "armed helicopter-10"), is a Chinese medium attack helicopter developed for the People's Liberation Army Ground Force. It is designed primarily for anti-tank warf ...
,
Bell AH-1 SuperCobra The Bell AH-1 SuperCobra is a twin-engined attack helicopter that was developed on behalf of, and primarily operated by, the United States Marine Corps (USMC). The twin Cobra family, itself part of the larger Huey family, includes the AH-1J Se ...
and
Boeing AH-64 Apache The Boeing AH-64 Apache () is an American twin-turboshaft attack helicopter with a tailwheel-type landing gear arrangement and a tandem cockpit for a crew of two. It features a nose-mounted sensor suite for target acquisition and night vis ...
. On 30 April 2020, the U.S. Defense Security Cooperation Agency announced it had received U.S. State Department approval and notified Congress of a possible sale to the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
of either six AH-1Z attack helicopters and related equipment for an estimated cost of $450 million or six AH-64E Apache attack helicopters and related equipment for an estimated cost of $1.5 billion.
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
has sought to procure AH-1Zs for some time. Sales were initially blocked by Congress over
human rights Human rights are Morality, moral principles or Social norm, normsJames Nickel, with assistance from Thomas Pogge, M.B.E. Smith, and Leif Wenar, 13 December 2013, Stanford Encyclopedia of PhilosophyHuman Rights Retrieved 14 August 2014 for ce ...
concerns; however, during April 2022, it was announced that the U.S. State Department had given its approval for the sale of the type along with support apparatus via a nearly $1 billion contract.


Operators

; *
Royal Bahraini Air Force The Royal Bahraini Air Force ( ar, سلاح الجو الملكي البحريني, abbreviated as RBAF, formerly known as Bahrain Amiri Air Force) is the aerial warfare branch of the Bahrain Defence Force (BDF). Originally formed as the BDF A ...
(6 delivered out of 12 on order) ; *
Czech Air Force "The air is our sea" , colours = , colours_label = , march = , mascot = , anniversaries = , equipment = , equipment_label = , battles = , decorations = , battle_honours = , battle_honours_label = , flying_hours = , websi ...
(4 on order) Additional 6 to be gifted at no cost via the Excess Defense Articles programme. ; *
United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...
(189 delivered)


Specifications (AH-1Z)


See also


References


External links


AH-1Z page on Bell flight web site

AH-1Z Viper UH-1Y Venom Helicopters page on US Navy site



Bell AH-1Z Super Cobra (Bell 449) on helis.com
{{USAF helicopters H-001Z, A United States military helicopters H-01 Cobra 2000s United States helicopters Twin-turbine helicopters Aircraft first flown in 2000 Attack helicopters