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Professional Marine Survey Solutions for Ultra-Efficient Hydrographic, Bathymetric & Hydrological Data Collection China
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CHC Navigation

Professional Marine Survey Solutions for Ultra-Efficient Hydrographic, Bathymetric & Hydrological Data Collection

CHCNAV | Smart Navigation & Geo-Spatial Technology Park, 577 Songying Road, 201703, Shanghai China Regional Offices
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CHC Navigation (CHCNAV) is an industry-leading provider of professional marine and maritime survey solutions for ultra-efficient hydrographic, bathymetric & hydrological data collection. Our innovative product portfolio, which includes autonomous USVs (uncrewed surface vessels) and high-precision sensors, serves customers in over 130 countries worldwide.

Marine Survey USVs

CHCNAV Apache 3 survey USV

CHCNAV Apache 3

The Apache 3 is a cost-effective solution for bathymetric surveys of lakes, rivers, and coastal areas, equipped with a single-beam echosounder and a 360-degree video camera. Measuring 1 meter in length and weighing just 7kg, the highly portable USV is capable of autonomously navigating pre-determined routes even under challenging flow and current conditions.

CHCNAV Apache 3 Pro Single Beam USV

CHCNAV Apache 3 Pro

The Apache 3 Pro expands on the functionality of the base Apache 3 model , featuring an impact-resistant double-layer carbon fiber hull and enhanced payload capacity. The integrated RTK-capable GNSS-aided INS ensures precise positioning even in GNSS-denied environments such as under bridges.

CHCNAV Apache 4 Hydrographic Survey USV

CHCNAV Apache 4

The Apache 4 is a highly versatile survey vessel, featuring a built-in single-beam echosounder and the ability to host a range of other equipment including ADCPs, CHCNAV’s multibeam echosounder, side-scan sonars and water quality probes. High-accuracy GNSS+IMU technology makes the platform ideal for hydrographic cross-section flow measurements.

CHCNAV Apache 6 Bathymetric Survey USV

CHCNAV Apache 6

The Apache 6 is an advanced USV that has been optimized for high-resolution 3D bathymetric survey, underwater object localization, and offshore construction applications. With a high-stability tri-hull design and powerful dual-thruster propulsion, it is ideal for undertaking complex marine projects such as dredging, port surveys, and inspection of bridges, dams, pipelines and cables.

More information: Marine Survey USVs

Hydrographic Sensors

D270 Single-Beam Echosounder

CHCNAV D270 Echosounder

The D270 is a cost-effective and highly portable single-beam echosounder that can measure depths of up to 200 meters, making it ideal for river cross-section surveys, reservoir capacity assessments, and dredging volume calculations. The integrated water temperature sensor allows for real-time sound velocity adjustments based on temperature fluctuations. Data can be easily transferred via Bluetooth or Wi-Fi.

CHCNAV D390 Integrated Single-Beam Echosounder

CHCNAV D390 Echosounder

The D390 is a professional single-beam echosounder system with a 200 kHz transducer and 7-degree beam angle, providing high-performance precision depth measurements down to 300 meters. The unit features a 12-inch HD touchscreen and runs CHCNAV’s HydroSurvey software for powerful data processing and streamlined workflows.

CHCNAV RS600-1200 ADCP

CHCNAV RS600 & 1200 ADCPs

The RiverStar series of ADCPs (acoustic Doppler current profilers) provides high-accuracy water velocity measurements under a variety of water conditions. Available in 600 or 1200 Khz options, the rugged sensors provide an operational range of up to 180 meters, making them ideal for large-scale hydrological surveys.

CHCNAV HQ-400 multibeam echosounder

CHCNAV HQ-400 Echosounder

The HQ-400 is a cutting-edge multibeam echosounder that incorporates a range of functionality into a single compact unit, including sonar, temperature sensors, pre-calibrated IMU, positioning, and a compass. Providing 512 beams (1024 digital), it is ideal for applications requiring high-resolution data capture, including river and lake topography, reservoir volume measurements, and hydrometrics.

More information: Hydrographic Sensors

Products

CHCNAV Apache 3 USV

Cost-effective marine survey USV with single-beam echosounder

CHCNAV Apache 3 Pro USV

Enhanced survey USV with single-beam echosounder & obstacle avoidance

CHCNAV Apache 4 USV

Versatile hydrographic & bathymetric survey USV with ADCP options

CHCNAV Apache 6 USV

Advanced bathymetric survey USB with multibeam echosounder

CHCNAV D270 Echosounder

Portable single-beam echosounder with 200m range

CHCNAV D390 Echosounder System

All-in-one portable single-beam echosounder solution

CHCNAV RS600 & 1200 ADCPs

High-accuracy acoustic Doppler current profilers for hydrological survey

Documents
Apache 3 USV spec sheet
Apache 3 Pro USV spec sheet
CHCNAV Apache 4 USV spec sheet
CHCNAV Apache 6 USV spec sheet
CHCNAV D270 spec sheet
CHCNAV D390 spec sheet
CHCNAV RS600 & 1200 ADCPs spec sheet

Articles

Latest
Advancing Underwater Mapping with High-Resolution Echosounder Technology

CHC Navigation has introduced the HQ-400, a multi-beam echosounder utilized for bathymetric and hydrographic surveys which allows for reliable performance in underwater mapping and seafloor analysis

Mar 12, 2025
Profile Spotlight: CHC Navigation & Efficient Marine Survey Solutions

CHC Navigation has been working with OST to showcase its professional marine survey solutions for ultra-efficient hydrographic, bathymetric, and hydrological data collection

Mar 11, 2025
GNSS Technology in Deformation Monitoring for Dam Safety

CHC Navigation has published an article outlining the drawbacks of many forms of dam deformation monitoring, as well as the recent positive advances in the sector regarding GNSS

Apr 23, 2024
Improving Waterway Management with CHC Navigation

In this case study, CHC Navigation examines the use of its AlphaAir 10 LiDAR+RGB System on a DJI Drone to reveal waterway potential

Apr 17, 2024
New Bathymetric Survey Single Beam Echo Sounder from CHC Navigation

Operating at 200 kHz, the D270 adapts to changing water conditions while minimizing acoustic interference for reliable data collection

Dec 05, 2023
Autonomous Bathymetric Survey Drone Launched

CHCNAV’s Apache 3 Pro has a lightweight carbon fiber hull, IP67 rating, and semi-recessed motor, offering exceptional durability and maneuverability

Nov 28, 2023
Regional Offices & Locations
CHCNAV Corporate HQ China CHCNAV | Smart Navigation & Geo-Spatial Technology Park, 577 Songying Road, 201703, Shanghai +86 21 5426 0273 Contact Website
CHCNAV Europe Hungary Infopark Building A, 1/a Neumann Janos street, 1117 Budapest +36 20 235 8248 Website
CHCNAV USA United States of America 6380 S. Valley View Blvd Suite 246, Las Vegas, NV 89118 +1 480 676 4306 Website
CHCNAV India India 409 Trade Center, Khokhra Circle, Maninagar East, Ahmedabad, Gujarat +91 90 99 98 08 02 Website