WATERDRONE CATALOGUE

Apache 3

CHCNAV · PR China

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The CHCNAV Apache 3 is a compact, high-performance USV (Unmanned Surface Vehicle) designed for precise bathymetric surveys in lakes, rivers, and coastal areas. Its lightweight, shallow-draft design and portability make it particularly well-suited for operations in hard-to-reach or remote locations where conventional survey boats reach their limits.
The system features an integrated single-beam echo sounder alongside high-precision GNSS and IMU technology, enabling the collection of reliable depth and positioning data. Intelligent sensor fusion ensures stable, accurate measurement results even under challenging conditions, such as strong currents or choppy water.
Its robust, one-piece carbon fiber hull offers high durability while minimizing weight. Combined with its compact form factor, this allows for easy one-person operation and rapid on-site deployment—ideal for flexible surveying tasks and efficient workflows.
Powered by a high-performance propulsion system, the Apache 3 reaches speeds of up to 4.5 m/s and offers an operating time of up to 4 hours. Hot-swappable batteries ensure uninterrupted operation, even during extended missions.
Autonomous route guidance enables precise navigation along pre-defined survey lines, while seamless 4G communication maintains a stable connection. Users access features such as live data display, video streaming, route planning, and data acquisition and processing via the Android-based EasySail software—all directly through the remote controller, without the need for additional external devices.

Product Photos

Main Specifications

CategoryResearch
Use CasesBathymetric Surveys, Navigation Channel Surveys, Riverbed Mapping
Area of ApplicationInland Waterways, Lakes, Costal
Length (cm)1050
Breadth (cm)550
Height (cm)390
Draft (cm)10
Weight (kg)7
Payload (kg)35
Operating SpeedSpeed max. : 6 m/s
EnduranceBattery life : 7 h @1.5 m/s
The APACHE 3 is equipped with an 800 W motor capable of reaching 7200 RPM, enabling a top speed of 6 m/s. Its battery endurance allows up to 7 hours of continuous operation at a cruising speed of 1.5 m/s. Additionally, hot-swappable batteries support uninterrupted operation in the field.
Power SourceBattery

Additional Specifications

Propulsion System
Electric
Navigation
Positioning : Full GNSS + IMU
Precision : 0,8 cm H / 1,5 cm V
Speed max. : 6 m/s
Integration
The APACHE 3’s remote controller comes pre-installed with the Android-based EasySail software, removing the need for external computers. The software includes real-time video transmission, parameter monitoring, and an integrated suite for path planning, data logging, and processing.
Communication
Cellular : 4G LTE
Remote : 2,4 GHz, ≤ 1 km
Operating Environment
Operating : -20°C to +50°C
Protection rating : IP67
Additional Information
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