The design formula of attack helicopter has matured since its introduction in the shape of American Bell AH-1 Cobra in 1967. As of 2020, a modern attack helicopter has shaped itself into a universal combat platform that follows the same mainline design principles and elements. A modern, dedicated attack helicopter is most likely to include all of these elements: tandem seat (usually gunner in the front, pilot in the rear), narrow body, little to no cargo space, armored crew compartment, employing 20 to 30 mm cannon, shaped charge guided anti-tank missiles (ATGMs), unguided smaller diameter rockets (usually high explosive-fragmentation), and nose mounted sensor suite. With unmanned aerial vehicles becoming more and more prominent, most are integrating short range air defense elements, such as, in the case of Western designs, Sidewinder missiles on the tips of the weapons' pylons or Stinger missiles on the hardpoints.

Attack helicopters are an expensive and burdensome luxury from a financial and developmental perspective, therefore, only the leading nations can develop and deploy their own designs. Consequently, the absolute majority of current attack helicopters make this list as options are rather limited even worldwide.

10. Denel Rooivalk

South African Rooivalk is based on French Aérospatiale SA 330 Puma, in turn the design is highly dependent on French technology and spare parts. With the bold intention of manufacturing one of the best attack helicopters in the world, Denel Aviation succeeded in producing an aircraft on par with its rivals. Being armed with highly sophisticated indigenous Mokopa ATGMs, the Rooivalk outmatches everything South Africa could potentially face in its geopolitical region.

With only 12 examples produced and financial difficulties shadowing operational readiness, the Rooivalk is a far reaching idea but Denel’s technological reach somewhat exceeds its grasp.

9. CAIC Z-10

Lighter than its contemporaries, The Chinese Z-10 was designed with an input from Russian Kamov design bureau. It is the first indigenous attack helicopter produced in China. A Fresh design with an introduction dating back to 2012, numerically it already covers the needs of Chinese armed forces. The Z-10 is yet to receive its trial by fire. So far 300+ were produced for the People's Liberation Army.

8. Mil Mi-24 Hind

The recurring aerial image of Asian and African conflicts for the past 40 years, the aging design is a multifunctional platform used by countless nations and paramilitary groups. Mi-24 to helicopters is what AKM is to assault rifles. A Cold War-goes-hot classic with an incredible staying power. An attack/transport helicopter hybrid, it is far larger than the succeeding designs. Heavily armed and armored, although less nimble by today’s standards, it is still relevant today.

As of August 25, 2020, a new variant, Mi-35P is starting serial production for an undisclosed foreign customer. With over 60 users worldwide and 2600+ units manufactured, it is the most produced attack helicopter to date.

7. Agusta A129 Mangusta

The Italian A129 is the first attack helicopter to be manufactured in Western Europe. The lightest one among its global counterparts, the Italian design was reshaped following the end of the Cold War. As NATO did not intend to face Soviet armor onslaught anymore, the design was simplified, ballistic protection lightened. At the time, the design was considered to be comparable to the American AH-64 Apache. The A129 uses standard NATO weaponry, including Hellfire and TOW ATGMs. 60 units were manufactured of which 30+ are continuing to be operational today.

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Image by Aldo Bidini, CC BY-SA 4.0

6. TAI T129 ATAK

Turkish modernization of Agusta A129 Mangusta, the T129 shares only the fuselage with its Italian counterpart. The internals are proprietary Turkish technology with upgraded avionics, airframe and weapons. Around 60 units are in service today with a capability to build 32 more if deemed necessary. With interest from multiple nations, including Qatar, Philippines and Pakistan, T129 is a seemingly more successful international version of its Italian predecessor.