WeaponSpecs
Air defense system Taiwan flagTaiwan

National Chung-Shan Institute of Science and Technology

Sky Bow III

Taiwan's indigenous long-range surface-to-air missile system, developed by NCSIST for national air and missile defense against Chinese aircraft and ballistic threats. It uses an active radar seeker and phased-array fire-control radar comparable to the Patriot PAC-3.

In service since 2015 · 1 operator countries

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-02

200

km range

45,000

m altitude

Procurement snapshot

Availability & export

National export licensing

Subject to Taiwan export-control approval; verify eligibility with the manufacturer.

Channel: Direct commercial / G2G

Fielded & proven

Limited · 1 operator

In service since 2015. Status: active.

Lifecycle cost (est.)

No public unit price to model from. Why so few systems publish one →

Interoperability

No standardised NATO calibre / datalink detected in public specs.

Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.

Full specifications

Performance

Speed, range, altitude and engagement capability.

Performance specifications
Max speed (Mach)

Maximum speed as a multiple of the speed of sound. Mach 2+ is typical for air-superiority fighters.

7 Mach
Stronger than 71% of air-defense systems
Engagement range

Maximum distance at which an air-defense system can intercept targets. Higher covers more airspace.

200 km
Stronger than 88% of air-defense systems
Engagement altitude

Maximum target altitude the system can reach.

45,000 m
Stronger than 89% of air-defense systems

Firepower

Armament, payload and guidance.

Firepower specifications
Main armament

Primary weapon: main gun, cannon or missile type.

Vertical-launch surface-to-air missile battery
Guidance

How the weapon finds its target: inertial, GPS/GLONASS, active/semi-active radar, infrared, laser, TV, wire.

Active radar homing, Command guidance mid-course

Physical

Dimensions, weight and crew.

Physical specifications
Length

Overall length including gun/probe where applicable.

5.5 m
Width

Overall width, matters for rail/road transport of vehicles.

0.4 m
Combat weight

Fully loaded weight. Lighter eases transport and bridging limits; heavier often means more armor.

870 kg

Propulsion

Engine, power and fuel.

Propulsion specifications
Propulsion type

Turbofan, turboshaft, diesel, gas turbine, solid-fuel rocket, ramjet…

Solid-fuel rocket

Sensors & avionics

Radar, sensor suite and datalinks.

Sensors & avionics specifications
Radar

Primary radar. AESA (active electronically scanned array) is the current state of the art.

Chang Bai phased-array fire-control radar

Program

Cost, production scale and operators.

Program specifications
Operator countries

Number of countries operating the system. More operators means broader support ecosystem.

1
Stronger than 21% of air-defense systems

Specifications compiled from public National Chung-Shan Institute of Science and Technology and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-02.

Compare with rivals

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Frequently asked questions

What is the engagement range of the National Chung-Shan Institute of Science and Technology Sky Bow III? +

The National Chung-Shan Institute of Science and Technology Sky Bow III has a maximum engagement range of 200 km.

How much does the National Chung-Shan Institute of Science and Technology Sky Bow III weigh? +

The National Chung-Shan Institute of Science and Technology Sky Bow III has a combat weight of 870 kg.

What is the main armament of the National Chung-Shan Institute of Science and Technology Sky Bow III? +

The National Chung-Shan Institute of Science and Technology Sky Bow III's primary weapon is the Vertical-launch surface-to-air missile battery.

What is the National Chung-Shan Institute of Science and Technology Sky Bow III used for? +

The National Chung-Shan Institute of Science and Technology Sky Bow III is a air defense system typically used for air defense.

How many countries operate the National Chung-Shan Institute of Science and Technology Sky Bow III? +

The National Chung-Shan Institute of Science and Technology Sky Bow III is operated by 1 countries.

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