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Unmanned Helicopter System (UHS) [ 2025 ]

The ZHZ TD220 is a new Unmanned Helicopter System originated from China - the type offering all inherent benefits of a rotary-craft design.

Authored By: Staff Writer | Last Edited: 06/22/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The ZHZ TD220 is an Unmanned Helicopter System (UHS) developed by Zhong-Hang-Zhi (ZHZ) Science and Technology, Ltd of China. The type is an evolution of a series of drone helicopters that includes the earlier "TC" model. Both are of coaxial main blade rotor design, meaning a pair of main rotors are seated atop one another along a shared mast in the arrangement, offering notable stability and control. A key quality of the system is its Vertical Take-Off and Landing (VTOL) capabilities mimicking that of a conventional helicopter - this gives the UAS a considerably smaller footprint than a fixed-wing drone allowing it to operate where such types cannot.

The general layout of the aircraft is consistent with other market UHSs; the main rotors are fitted over the fuselage in the usual way and a four-point fixed skid assembly braces the body against the ground when landing/taking off. A pair of vertical fins are positioned at the tail for the needed control when airborne. An optics-laden traversable "blister" assembly is seated at the "chin" position of the aircraft allowing for unfettered views of the terrain ahead and below the aircraft. The conventionally-minded engine is buried within the design, driving power to the two main rotor blade assemblies seated in a coaxial arrangement.

The primary benefit of the stacked/twin main rotor units is the deleting of a tail rotor unit traditionally used to counter torque forces generated by a single mounting. When compared to leading coaxial blade developers, such as Russia's own Kamov design bureau, the ZHZ approach to its coaxial blade assembly is simplified by way of electrically-driven components (as opposed to mechanical), lowering costs while retaining all of the inherent benefits.

The TD220 sports a rotor diameter of 3.9 meters with a fuselage length of 2.48 meters and a total system height of 1.78 meters. Empty weight is 140 kilograms against an MTOW of nearly 300 kg. The helicopter can carry a payload up to 100 kg in weight up to an altitude of 4 kilometers and has a five-hour endurance window while cruising at speeds of 100 kmh. Power is supplied by a single gasoline- or kerosene-fueled engine of 65 horsepower.©MilitaryFactory.com
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Service Year

China national flag graphic

Program in Progress.

Zhong-Hang-Zhi (ZHZ) Science and Technology, Ltd - China
(View other Aviaton-Related Manufacturers)
National flag of China China (possible)
(OPERATORS list includes past, present, and future operators when applicable)
Special-Mission: Search & Rescue (SAR)
Ability to locate and extract personnel from areas of potential harm or peril (i.e. downed airmen in the sea).
Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.
Unmanned Capability
Aircraft inherently designed (or later developed) with an unmanned capability to cover a variety of over-battlefield roles.

Inherent ability of airframe to take considerable damage.
Design features ability to fly sans pilot, actions controlled onboard through programming and / or ground-based operator.
Payload supports photographic equipment providing still and / or real-time image / video results.

8.1 ft
(2.48 m)
13.0 ft
(3.96 m)
5.8 ft
(1.78 m)
Empty Wgt
309 lb
(140 kg)
639 lb
(290 kg)
Wgt Diff
+331 lb
(+150 kg)
(Showcased structural values pertain to the base ZHZ TD220 production variant)
Installed: 1 x Gasoline- / kerosene-fueled conventional engine developing 65 horsepower driving 2 x Two-bladed main rotor units in coaxial arrangement atop the fuselage.
Max Speed
75 mph
(120 kph | 65 kts)
Cruise Speed
62 mph
(100 kph | 54 kts)
Max. Speed Diff
+12 mph
(+20 kph | 11 kts)
13,123 ft
(4,000 m | 2 mi)
342 mi
(550 km | 1,019 nm)

♦ MACH Regime (Sonic)
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030

(Showcased performance specifications pertain to the base ZHZ TD220 production variant. Performance specifications showcased above are subject to environmental factors as well as aircraft configuration. Estimates are made when Real Data not available. Compare this aircraft entry against any other in our database or View aircraft by powerplant type)
None. Mission set features optics and sensors for the Intelligence-Surveillance-Reconnaissance (ISR) role.

Supported Types

(Not all ordnance types may be represented in the showcase above)
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Images Gallery

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Image of the ZHZ TD220
Image from the Chinese Ministry of Defense; Public Release.

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