Rainbow CH-3 Medium Range UAV

The rainbow series UAVs, developed by the China Aerospace Science and Technology Corporation (CASC) starting in the 1990s, has since progressed considerably. ??The main equipment components of the Rainbow-3 UAV mid-range UAV system include: medium-range unmanned aerial vehicles, ground-mounted vehicle telemetry remote control stations and ground support equipment.

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The CH-3 is a battle-tested, medium-range, multi-role unmanned aerial vehicle (UAV) system designed for tactical reconnaissance, real-time surveillance, and precision strike missions. Developed by China Aerospace Science and Technology Corporation (CASC), the CH-3  has been operationally deployed in multiple conflict zones, demonstrating exceptional reliability, combat effectiveness, and cost-efficiency in real-world environments.

With a maximum endurance of 12 hours, a range of 1,000 km, and the ability to carry up to 200 kg of precision-guided munitions, the CH-3 delivers integrated ISR and strike capability at the brigade and division level. Its simple logistics footprint, short-field takeoff and landing capability, and robust digital datalink make it ideal for rapid deployment in austere environments, including desert, mountain, and maritime regions.

The CH-3 features a conventional high-wing, pusher-propeller configuration with a V-tail, optimized for stability and endurance. It is powered by a heavy-fuel (diesel/Jet A-1) piston engine, reducing logistical burden and enhancing safety compared to gasoline-powered systems.

Equipped with advanced electro-optical/infrared (EO/IR) sensors and compatible with a range of indigenous and export-grade guided weapons, the CH-3  provides commanders with a responsive, persistent, and lethal asset for asymmetric warfare, counter-terrorism, and border security operations.


Key Features

  • Combat-Proven Platform: Deployed in multiple international conflicts with confirmed strike success rates.
  • Long Endurance: Up to 12 hours of continuous flight for persistent battlefield coverage.
  • Extended Operational Range: 1,000 km mission radius with secure LOS datalink; BLOS SATCOM optional.
  • Precision Strike Capability: Armed configuration supports:
    • AR-1 / AR-2 air-to-surface missiles
    • FT series precision-guided bombs
    • LS-6 GPS/INS-guided glide bombs
    • Lightweight guided rockets
  • Advanced ISR Payload:
    • Stabilized EO/IR turret with HD daylight camera, thermal imager (640×512), and laser rangefinder/designator
    • Optional SAR/GMTI radar for all-weather ground surveillance
  • Secure Digital Datalink: AES-256 encrypted COFDM transmission, frequency-agile, anti-jamming, range up to 200 km LOS.
  • BLOS Capability: Ku-band SATCOM option for beyond-line-of-sight operations.
  • All-Weather Operation: Certified for flight in rain, turbulence, and moderate crosswinds.
  • Autonomous Flight: Full auto takeoff, waypoint navigation, target tracking, weapon release, and return-to-base.
  • Short-Field Operations: Operates from unpaved runways ≥ 300 meters.
  • Heavy-Fuel Engine: Uses diesel or Jet A-1 fuel — safer, more efficient, and logistically compatible with military fuel supplies.
  • Modular Design: Quick payload swap between ISR-only and armed configurations.
  • Ground Control Station (GCS): Ruggedized containerized or vehicle-mounted station with dual operator consoles, 3D terrain display, and weapons management interface.
  • Low Operating Cost: Significantly lower acquisition and lifecycle cost compared to Western equivalents.

Technical Specifications

Parameter

Specification

System Designation CH-3 / CH-3A UAV System
UAV Type Fixed-wing, high-wing, pusher propeller, V-tail
Wingspan 8.0 m
Length 6.4 m
Height 2.4 m
MTOW (Max Takeoff Weight) 640 kg
Empty Weight 440 kg
Payload Capacity Up to 200 kg (internal + external)
Propulsion Heavy-fuel (diesel/Jet A-1) piston engine, ~100 hp
Cruise Speed 160–180 km/h
Max Speed 250 km/h
Stall Speed 95 km/h
Service Ceiling 7,500 m (24,600 ft)
Operating Altitude (AGL) 100 – 7,000 m
Wind Resistance Up to 70 km/h (Beaufort 5)
Flight Endurance 8–12 hours (payload-dependent)
Operational Radius Up to 1,000 km
Control Range (LOS) Up to 200 km
BLOS Option Ku-band SATCOM (optional)
Communication Link Digital COFDM, frequency-agile, encrypted
Encryption AES-256
Navigation System GPS/BeiDou + GLONASS + high-grade INS
Autonomous Functions Auto takeoff, waypoint nav, orbit, weapon release, RTL, auto-land
Hardpoints 2 underwing pylons
Weapon Compatibility AR-1, AR-2, FT-5, FT-7, LS-6, YJ-9E, APKWS-type
Primary Payloads EO/IR turret (laser designator), optional SAR
Ground Control Station (GCS) Containerized or vehicle-mounted; dual operator
Crew 2 (Pilot + Mission Commander)
Power Supply Onboard 28V DC or external 220V AC
Operating Temperature -30°C to +55°C
Runway Requirement 300–500 m (unpaved/dirt)
Transportability Disassembled transport in 1x 20ft container or light truck

Operational Roles

  • Tactical Reconnaissance: Real-time video feed for brigade-level command.
  • Precision Strike: Engagement of light armor, technicals, and static targets.
  • Border & Coastal Surveillance: Patrol of remote land and maritime borders.
  • Counter-Terrorism: Persistent monitoring and targeted strikes against insurgent cells.
  • Battlefield Damage Assessment (BDA): Post-strike imaging and analysis.
  • Communications Relay: UHF/VHF signal extension for forward units.
  • Disaster Monitoring: Rapid assessment of earthquake, flood, or fire zones.

Support & Export Configuration

The CH-3 is offered with comprehensive support:

  • Full training program (flight, weapons, maintenance, intelligence)
  • Spare parts, engine modules, and weapon integration kits
  • Mission planning software with KML import and 3D simulation
  • Remote diagnostics and technical support
  • Civilian variant available for pipeline inspection, wildlife monitoring, and aerial surveying

Available Configurations:

  • ISR-Only
  • Armed Strike
  • Export-Compliant Weapon Suite (meets international arms regulations)

Proven in Nigeria, Myanmar, Iraq, and Pakistan, the CH- 3 is a trusted, cost-effective solution for nations seeking a combat-ready, multi-role UAV system with minimal infrastructure requirements.

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