CAS Haidou-1
A Chinese full-ocean-depth research robot with autonomous and remotely operated modes, documented in a 2026 scientific expedition.
- Country / region
- China
- Programme status
- In service / use documented
- Sources reviewed
- 21 Sept 2026
- Primary domain
- Underwater
- System type
- Autonomous underwater vehicle
- Developer / manufacturer
- Shenyang Institute of Automation, Chinese Academy of Sciences
- Origin / production countries
- China
- Other names
- Haidou 1
- Variants / configurations
- Not distinguished in reviewed sources
- Operators / programme customers
- Chinese Academy of Sciences research teams
Evidence & current status
Scientific use is documented. No military service claim is made; this is supporting technology coverage.
Role & capabilities
- Hadal scientific observation
- Underwater sample collection
- Collaborative robotics research
Specifications in context
- Configuration
- Hybrid autonomous/remotely operated research vehicle
Published configuration or reported trial baseline; not a guarantee for all variants.
Source - Hull / propulsion
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Dimensions
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Displacement / mass
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Payload
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Endurance
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Range
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Speed
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Operating depth
- Approximately 7,700 m in the reported 2026 joint operations
Demonstrated expedition depth, not the vehicle's maximum design rating.
Source - Sensors
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Communications / control
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source - Launch / deployment
- Research ship Tansuo-3 for the reported 2026 expedition
Published configuration or reported trial baseline; not a guarantee for all variants.
Source