Wing Loong II vs CH-4 Rainbow
Wing Loong II and CH-4 are separate Chinese armed-UAV families with overlapping export and reconnaissance-strike roles. Similar outward layouts do not establish common avionics, interchangeable ground equipment or identical weapons clearances. Each operator's delivered system needs its own configuration context.
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Specifications side by side
| Specification | Wing Loong II | CH-4 Rainbow |
|---|---|---|
| Manufacturer | AVIC/Chengdu | CASC |
| Country of origin | China | China |
| Mission role | Reconnaissance / Strike | Reconnaissance / Strike |
| Year introduced | 2017 | 2014 |
| Length | About 11 m (reported) | 8.5 m |
| Wingspan | About 20.5 m (reported) | 18 m |
| Height | 4.1 m | 3.2 m |
| Maximum speed | Up to 370 km/h (reported) | 235 km/h |
| Published range | Mission and communications configuration dependent | 3,500 km |
| Endurance | Up to 32 hours (reported; load-dependent) | 30+ hours |
| Service ceiling | 9,000 m | 8,000 m |
| Payload | About 480 kg external weapons capacity (reported) | 345 kg |
| Weight | About 4,200 kg MTOW (reported) | 1,330 kg |
| Armament | BA-7 ATM, FT-9 50kg bomb, LS-6 GPS guided | AR-1 ATM, FT-9 bomb, CS/BBM1 bomb |
Figures below come from the linked DroneStrike profiles and retain their configuration qualifiers. Maximum speed, range, endurance and payload are separate published figures, not a single achievable mission configuration. Range is not necessarily combat radius or datalink reach. Missing information is not zero, and a larger figure does not establish combat effectiveness.
The comparison that matters
Check which CH-4 variant and which Wing Loong II package the figures describe. Public manufacturer maxima cannot establish sensor quality or fleet readiness. A useful comparison follows the mission equipment, communications, support and cleared weapons rather than relying on appearance.
Understanding Wing Loong II
Wing Loong II is a larger armed reconnaissance development than Wing Loong I. Payload options and integration with customer forces are more useful comparison points than treating all Wing Loong aircraft as one type.
Published maximum payload is not a standard combat load, and an export display does not prove that every advertised weapon is fielded by every customer.
Understanding CH-4 Rainbow
CH-4 belongs to a different Chinese UAV family from Wing Loong. It is associated with medium-altitude surveillance and strike, but external resemblance does not establish identical sensors, control systems or support requirements.
Different CH-4 versions and export packages should not be merged into a single best-case specification.
How to read the specification table
The table compares the named Wing Loong II and CH-4 Rainbow catalog records, not an artificial combination of every advertised upgrade. Values are reproduced with their existing units and qualifications. Where figures describe different missions or payload types, treat them as context rather than calculating an unsupported performance advantage.
A published maximum is not necessarily achievable alongside every other maximum. Endurance may change with equipment, flight or sea conditions and transit requirements; a range figure may describe a different constraint from datalink reach. Unknown specifications remain unknown. For development programs and limited-disclosure systems, an intended capability must stay distinct from a completed trial or operational service.
Frequently asked questions
What is the main difference between Wing Loong II and CH-4 Rainbow?
Wing Loong II and CH-4 are separate Chinese armed-UAV families with overlapping export and reconnaissance-strike roles. Similar outward layouts do not establish common avionics, interchangeable ground equipment or identical weapons clearances. Each operator's delivered system needs its own configuration context.
Can the headline specifications establish a winner?
No. The mission, actual configuration, supported force and quality of evidence determine what the figures mean. Maximum speed, endurance and payload alone do not establish combat effectiveness, survivability or equal intelligence collection.
Where can I verify the versions and figures used here?
Follow the Wing Loong II and CH-4 Rainbow profile links for full descriptions, timelines and any listed source references. This guide preserves the catalog's uncertainty labels rather than presenting unpublished or weakly sourced figures as independently verified facts.
Sources and further reading
- Wing Loong II: full catalog profile, timeline and source notes
- CH-4 Rainbow: full catalog profile, timeline and source notes
Specifications are drawn from the linked catalog profiles. Source dates and aircraft configurations may differ; see the individual profiles for their timelines and qualifications.