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INDEPENDENT PERSPECTIVE
THE EVOLVING FIELD GUIDE
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DEFENCE DRONES / THE LIBRARY

Compare the evidence.

Choose up to three systems. Specifications retain their source and configuration; missing information is left undisclosed.

Teng Yun / Cloud Rider

Taiwan's indigenous larger UAV development programme, with officially documented prototype activity and unresolved current acceptance details.

Country / region
Taiwan
Programme status
Development / trials
Sources reviewed
20 Sept 2026
Development / trialsDevelopment / trials
Primary domain
Air
System type
Reconnaissance aircraft
Developer / manufacturer
National Chung-Shan Institute of Science and Technology (NCSIST)
Origin / production countries
Taiwan
Other names
Tengyun; Cloud Rider
Variants / configurations
Early prototype documented in 2021; later configuration details require current primary confirmation
Operators / programme customers
NCSIST development programme; operational acceptance not established

Evidence & current status

Prototype testing is documented. The latest reviewed government assessment is from 2024; current variant and operational acceptance need a newer primary update.

Role & capabilities

  • Reconnaissance aircraft

Specifications in context

Airframe
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Launch / recovery
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Propulsion
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Dimensions
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Mass
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Endurance
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Range
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Speed
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Altitude
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Payload
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Sensors
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗
Communications / navigation
Not established from the reviewed public sources.

Public data gap; no estimate or neighbouring variant value substituted.

Source ↗