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CHCNAV Apache 3 Pro - Compact Hydrographic Drone

Product Overview: The CHCNAV Apache 3 Pro is a compact, professional unmanned surface vehicle (USV) designed for autonomous bathymetric surveys in shallow waters. Its double-layered carbon fiber hull provides exceptional impact resistance and unsinkability, while the IP67 rating ensures dust and water tightness, protecting onboard components in all conditions. The semi-recessed motor reduces water resistance, improves endurance, and allows speeds up to 6 m/s, making the Apache 3 Pro ideal for a variety of marine survey and construction applications.

Key Features:

Millimeter-Wave Automatic Obstacle Avoidance

  • Advanced Obstacle Detection: Equipped with a millimeter-wave obstacle avoidance system that detects obstacles within a 110° angle ahead. The USV autonomously charts a detour course to navigate around obstacles, minimizing collision risks during operation.

Lightweight Design

  • Easy to Deploy: Constructed from macromolecular polyester carbon fiber and Kevlar glass fiber, the Apache 3 Pro weighs only 10 kg (excluding sensors), allowing a single operator to manage remote deployments effortlessly.

Versatile Survey Capabilities

  • Navigates Diverse Water Conditions: The semi-recessed motor and innovative internal rotor design provide a shallower draft, enhancing the USV's ability to navigate various water depths and reducing the risk of damage.
  • High Accuracy Under Bridges: Maintains consistent accuracy even when GNSS signals are lost, such as when navigating under bridges, by relying on its GNSS RTK + inertial navigation system.

Real-Time Data for Greater Security and Productivity

  • Reliable Communication: A combination of SIM and network bridge with automatic switching capabilities ensures reliable communications. Cloud-based remote monitoring provides real-time status updates, enhancing control and security.
  • Efficient Data Exchange: The use of 4G and 2.4G networks eliminates distance limitations, enabling efficient data exchange in various operating environments.

Single-Beam Echosounder for Bathymetric Survey

  • Accurate Depth Measurements: Comes standard with the D270 single-beam echosounder, which includes a built-in water temperature sensor for real-time sound velocity corrections, ensuring superior depth measurement accuracy.

Technical Specifications:

  • Hull Material: Macromolecular polyester carbon fiber
  • Dimensions: 1.05 m x 0.55 m x 0.39 m
  • Weight: 10 kg (excluding sensors)
  • Maximum Speed: 6 m/s
  • Battery: 24,500 mAh, 36 V x 5
  • Battery Life: 2 x 3 hours at 2 m/s
  • Communication Range: 1 km (R/C), unlimited (4G)
  • Obstacle Avoidance: Millimeter wave, 110° x 14° detection angle
  • GNSS Systems: BDS B1/B2, GPS L1/L2, GLONASS L1/L2, Galileo E1/E5, QZSS
  • Positioning Accuracy: Horizontal: ±8 mm + 1 ppm, Vertical: ±15 mm + 1 ppm
  • Inertial Navigation: 200 Hz IMU update rate, 0.2° @1 m baseline heading accuracy
  • Waterproof Rating: IP67

Why Choose the CHCNAV Apache 3 Pro? The Apache 3 Pro offers an unparalleled combination of advanced obstacle avoidance, high-precision navigation, and lightweight design, making it the ultimate solution for autonomous bathymetric surveys. Whether in marine survey or construction applications, the Apache 3 Pro’s robust features and user-friendly operation ensure reliable and accurate data collection in any environment.

Enhance your marine survey capabilities with the CHCNAV Apache 3 Pro – the compact, advanced hydrographic drone for professional bathymetric surveys.

Apache 3 Pro features

A compact, professional unmanned surface vehicle (USV) designed for autonomous
bathymetric surveys in shallow waters.


Apache 3 Pro USV

Compact, high-performance marine drone with single beam echosounder and GNSS/INS technology for a wide range of hydrographic survey applications.