CHC Navigation

GNSS Positioning & Navigation Systems, Mobile Mapping UAV LiDAR & Unmanned Surface Vehicles

CHC Navigation
GNSS Positioning & Navigation Systems, Mobile Mapping UAV LiDAR & Unmanned Surface Vehicles
599 Gaojing Road, Building D, 201702 Shanghai, China China Regional offices
+86 21 5426 0273

CHC Navigation is a leading provider of GNSS and inertial navigation solutions for professional geospatial and mapping applications.


Our leading-edge GNSS navigation products provide high-accuracy spatial and timing data for smart robotics and unmanned systems, including UAVs (unmanned aerial vehicles), UGVs (unmanned ground vehicles) and USVs (unmanned surface vessels).

Spanning the entire GNSS positioning and navigation technology chain from chipsets to fully integrated data acquisition systems, our solutions enhance productivity and efficiency for a wide range of industries, including surveying and engineering, mobile mapping and precision agriculture.

mobile mapping systems

Mobile Mapping Systems

AlphaAir 1400 UAV LiDAR System

Airborne LiDAR scanner for high-density corridor mapping

AlphaAir 1400 UAV laser scannerThe AlphaAir 1400 is a survey-grade LiDAR scanning system that incorporates the Riegl VUX-120 as well as a high-end GNSS-INS. With scan speeds of up to 400 lines per second, it is ideal for fixed-wing UAV corridor mapping applications.

The lightweight unit provides an accuracy of 2 to 5 cm, with a high-speed data acquisition rate of up to 1.8 MHz. It can be flown at altitudes of up to 720 metres.

The AlphaAir 1400 provides easy cable-free installation via the AlphaPort, and can be integrated with external sensors such as DSLR, thermal or multispectral cameras for maximum mission flexibility.


Size 27.0 × 11.7 × 16.7 cm
10.62″ × 4.6″ × 6.57″
Weight 2.98 kg
Power Consumption 60W
Absolute Accuracy < 0.05 m RMS
Point density @ 10.3 m/s 500 pts/sqm @ 120 m AGL
IMU accuracy (GNSS-aided) 0.010 m RMS horizontal
0.010 m RMS vertical,
0.005 degrees RMS pitch/roll
0.010 degrees RMS heading
Camera Sony A7 RII 42.4 MP, modular upgrade options

AlphaAir 2400 UAV LiDAR System

Drone LiDAR scanner for high altitudes & wide areas

AlphaAir 2400 UAV LiDAR SystemTheAlphaAir 2400 is a survey-grade LiDAR scanning system that incorporates the Riegl VUX-220 as well as a high-end GNSS-INS. With a wide 75-degree field of view and a high-speed data acquisition rate of up to 1.8 MHz, it is ideal for corridor mapping as well as wide-area applications.

Capable of operating at altitudes of up to 1400 metres, the extended-range LiDAR scanner can deliver accuracy of up to 2 centimetres.

The AlphaAir 2400 provides easy cable-free installation via the AlphaPort, and can control up to four external high-resolution cameras in nadir or nadir and oblique view for geo-referenced and oblique imagery.


Size 34.0 × 16.4 × 20.6 cm
13.38″ × 6.45″ × 8.11″
Weight 5.05 kg
Power Consumption 95W
Absolute Accuracy < 0.05 m RMS
Point density @ 10.3 m/s 800 pts/sqm @ 120 m AGL
IMU accuracy (GNSS-aided) 0.010 m RMS horizontal
0.010 m RMS vertical,
0.005 degrees RMS pitch/roll
0.010 degrees RMS heading
Camera Sony A7 RII 42.4 MP, modular upgrade options

AlphaAir 450 Airborne LiDAR System

UAV LiDAR scanner for mapping and surveyingAlphaAir 450 UAV LiDAR scanner for mapping & surveying

The AlphaAir 450 combines a high-precision IMU, industrial-grade GNSS, 3D LiDAR scanner, and camera to provide an essential combination of long-range scanning and high-resolution imaging.

The mobile mapping LiDAR achieves absolute accuracy of 5 to 10 cm, and features advanced calibration and point cloud optimization for reduced range noise.

The AlphaAir 450’s integrated Skyport connection provides direct interfacing with DJI M300 and M200 v2 drones. Weighing in at just 1kg, the lightweight laser scanner can also be fitted to a wide range of other multirotor and fixed-wing VTOL drone platforms.


Size 13.6 × 12.8 × 7.7 cm
5.11 × 4.72 × 2.75 “
Weight 1 kg
Power Consumption 32W
Absolute Accuracy < 10cm horizontal
< 5cm vertical
Point density @ 5 m/s 570 pts/sqm @ 50 m AGL
280 pts/sqm @ 100 m AGL
IMU accuracy (GNSS-aided) 0.010 m RMS horizontal
0.020 m RMS vertical
0.01 degrees RMS pitch/roll
0.04 degrees RMS heading
Camera Sony A5100 24.3 MP

Alpha 3D Mobile Mapper

3D laser scanner system for mapping and surveying

The Alpha3D is a high-performance 3D mobile mapping solution that combines a precision laser scanner with a 30MP HDR panoramic camera and state-of-the-art GNSS and IMU technologies.Alpha 3D lidar scanner & mobile mapping system

The vehicle-agnostic system provides fully-calibrated, low-noise high density point clouds for faster, superior data collection and enhanced productivity.

The Alpha3D provides two ports for additional laser scanners as well as a connector for a second GNSS antenna, allowing you to further enhance point cloud accuracy and density as your applications require. The lightweight and compact system is easily mounted on a wide range of vehicles, including USVs and self-driving mapping vehicles.


Size 51.3 x 31 x 67.2 cm
20.08″ x 12.2″ x 26.37″
Weight 19.2 kg
Power Consumption 240W
Accuracy < 0.030 m RMS typical (horizontal)
< 0.025 m RMS typical (vertical)
LiDAR scan speed Up to 250 scans/sec
Camera resolution 30 MP (5 MP x 6 sensors)
IMU gyro bias instability ≤ 0.1 deg/hr, 1σ (max)
≤ 0.025 deg/hr, 1σ (typical)

AlphaUni900/1300 Mobile Mapping Solution

Long-range LiDAR scanning for UAVs and UGVs

AlphaUni900 1300 3d scanner mobile mapping lidarThe AlphaUni900 and 1300 mobile mapping LiDAR solutions provide survey-grade accuracy and long range for demanding applications at high speeds and altitudes and over large areas.

The versatile systems are easily fitted to a range of fixed-wing and multirotor UAV platforms, and also feature a dedicated vehicle mode for ground-based mapping.

Both systems include different connection ports for additional synchronization with DMI, GAMS dual antenna GNSS, imaging payloads and other devices that support NMEA. A UHF datalink provides remote control of instrument parameters as well as real-time data recording.


900 1300
Size 31.6 x 20.9 x 15.6 cm
12.2″ x 7.87″ x 5.9″
Weight 4.5 kg
Power Consumption 65W
Absolute Accuracy < 0.050 m RMS
LiDAR point density for UAVs (@ 4 m/s) 120 pts/sqm @ 100 m AGL 190 pts/sqm @ 100 m AGL
Max LiDAR range, reflectivity > 60% 920 m 1350 m
LiDAR accuracy 10 mm 15 mm
LiDAR precision 5 mm 10 mm
Scan speed Up to 200 scans/sec

Learn more about Mobile Mapping Systems

UAV Mapping Systems

P330 Pro UAV

Long-endurance VTOL drone for mapping and surveying

The P330 Pro is a long-endurance VTOL drone with an ultra-efficient aerodynamic design that allows it to cover greater areas in a single flight. With a flight time of up to 150 minutes, it can accurately map a region of 20 km² at a scale of 1:2000.

p330 pro vtol uav

The P330 Pro integrates a high-accuracy GNSS RTK/PPK module, doing away with the need for ground control points (GCPs) and allowing faster data acquisition and significant time and costs savings. The platform’s payload bay is compatible with a wide range of sensors, including orthophoto cameras, half-frame and full-frame oblique cameras, medium-frame cameras, multispectral cameras, and lightweight laser scanners. Payloads can be quickly and easily swapped in the field for maximum versatility.

The highly reliable platform features a triple redundant flight control system and multiple return to base strategies and safety monitoring checks for the utmost peace of mind during complex flight operations.


(fuselage length x wingspan)
1.21 x 2.53 m
Maximum Takeoff Weight 14 kg
Maximum Payload 2 kg
Maximum Flight Time 160 mins (without payload)
Cruising Speed 21 m/s
Maximum Altitude 6000 m
RTK Accuracy Horizontal: 1 cm + 1 ppm
Vertical: 2 cm + 1 ppm

Learn more: P330 Pro UAV

BB4 – LiDAR Mapping Drone

Advanced mapping and survey UAV for LiDAR or photogrammetry

The BB4 is a state-of-the-art VTOL (vertical takeoff and landing) quadcopter unmanned aerial system (UAS) for professional and industrial imaging applications.

BB4 drone mapping UAV

The UAS can carry our CHCNAV LiDAR scanners with DSRL cameras for high-accuracy 3D point cloud generation, oblique cameras for 3D photogrammetry, or multispectral imagers for industrial and agricultural applications.

With a setup time of just two minutes, the versatile BB4 provides up to 55 minutes of flight time with a 1 kg payload, and up to 40 minutes with a 5 kg payload. The aircraft is controlled with the DJI Lightbridge 2 flight controller, featuring an operating range of 5 km and low-latency, high-reliability wireless HD image transmission.


Dimensions 110.0 x 110.0 x 44.0 cm
43.3″ x 43.3″ x 17.32″
Empty weight 20.9 kg (incl. 9.7 kg batteries)
Max payload 7.1 kg
Hovering accuracy 1 cm + 1 ppm horizontal
2 cm + 1 ppm vertical
Max speed 14 m/s
Max altitude 5000 m

GNSS Systems for Machine Control

CGI-610 Dual Antenna GNSS-INS

Precision GNSS navigation system for autonomous vehicles

CGI-610 dual antenna GNSS sensorsThe CGI-610 is a tightly-coupled, high-performance GNSS-aided inertial navigation system (INS) specially designed to provide high-accuracy navigation and positioning for autonomous drones and unmanned systems.

The system combines an industrial-grade IMU with dual antenna GNSS technology for high-precision real-time positioning and orientation data even in demanding and GNSS-denied environments.

The system features a data output rate of up to 100 Hz for highly dynamic applications, and supports external odometer inputs for applications experiencing longer GNSS outages. The lightweight, rugged unit is IP67-rated for dust and water protection and is highly resistant to shock and vibration.


Size 162 mm × 120 mm × 53 mm
Weight 1.15 kg
Power consumption < 5W typical
Attitude accuracy 0.1° (Baseline length ≥ 2 m)
Position accuracy Single 1.2 m
DGPS 0.4 m
RTK 1 cm + 1 ppm
Max data update rate RTK Position 5 Hz
INS Position/Attitude 100 Hz
Gyro bias stability 2.5 deg/s
Accelerometer bias stability 3.6 μg

Learn more about GNSS Systems for Machine Control

Unmanned Surface Vessels

APACHE3 Unmanned Surface Vessel

Bathymetric survey USV with single-beam echosounder

The APACHE3 is a single-person-portable USV with a shallow-draft hull for bathymetric surveys of lakes, inland rivers, and coastal areas. Equipped with a single-beam echosounder, it can be remotely controlled or programmed for full autonomy via 4G communications.

APACHE3 Unmanned Surface Vessel for Bathymetric surveying APACHE3 Bathymetric survey USV

The vessel features tightly-integrated GNSS and INS sensors, providing high-accuracy positioning and attitude even under bridges and during GNSS outages. It can maintain perfectly linear travel with a top speed of 5 m/s.

APACHE4 Unmanned Surface Vessel

Autonomous surface vehicle for ADCP surveys

The APACHE4 USV is a shallow-draft vessel designed for hydrographic, bathymetric, and hydrological surveys, supporting a wide variety of Acoustic Doppler Current Profiler (ADCP) systems. With a payload capacity of up to 30kg, the versatile USV can also carry a wide range of other sensors, and includes a built-in single-beam echosounder to complement ADCP data.

APACHE4 USV for ADCP surveys APACHE4 Autonomous surface vehicle for ADCP surveys

The vessel features tightly-integrated GNSS and INS sensors for smart positioning and navigation, with a sophisticated control system that provides stable hovering in turbulent flow and allows the USV to navigate in a straight line along the cross-section of the flow.

The fully autonomous APACHE4 can be safely operated from the shore via 4G communications.

APACHE6 Unmanned Surface Vehicle

Autonomous USV optimized for multibeam echosounders

The APACHE6 is a highly versatile USV with a triple-hulled design that can be carried by two operators. Optimized for use with NORBIT multibeam echosounders, the vessel can undertake a variety of missions including 3D bathymetric survey, underwater object positioning, offshore construction, underwater archaeology and shipwreck location.

APACHE6 Autonomous USV for multibeam echosounders APACHE6 Unmanned Surface Vehicle

Powered by a high-performance dual propeller system, the APACHE6 features a stable constant automatic cruise speed of up to 2.5m/s. It can be remotely controlled via UHF or programmed for full autonomy.

The APACHE6 can be optionally equipped with an iLiDAR mapping sensor for high-accuracy combined marine and terrestrial 3D surveying, collecting up to 300,000 points per second with a 30x 360 degree coverage.


(L x W x H)
100 x 65 x 30 cm 120 x 75 x 30 cm 180 x 55 x 25 cm
(no instruments or battery)
7 kg 9 kg 15 kg
Payload Capacity 25 kg 30 kg 60 kg
Maximum Speed 5 m/s 5 m/s 3.5 m/s
Remote Control Range 1 km 1 km 1 km
Battery Endurance 2 x 2 hours @ 2 m/s
(w/ 2 battery sets)
2 x 2 hours @ 2 m/s
(w/ 2 battery sets)
2-3 h (can be extended with additional batteries)

Learn more about our range of Unmanned Surface Vessels

Dealership Opportunities

survey usv dealership opportunities

Dealership Opportunities for Marine Survey Professionals

Our Marine Division makes Unmanned Surface Vessels that enable hydrographic and bathymetric surveys in all waters from coastal zones, ports, and harbors to inland waterways or lakes. Robust and versatile, our USVs can be fitted with instruments such as single or multibeam echo-sounder, GNSS RTK receiver, and other sensors.

To support the rapid growth of our Marine Division, we are opening dealership opportunities to Marine Survey professionals in several countries and regions.

mobile mapping dealership opportunities

Dealership Opportunities for Mobile Mapping Professionals

We are also looking to extend dealership opportunities to providers of mobile mapping solutions, with a choice of providing one or more of our mobile mapping products based on potential client needs in your region.

Our portfolio of mobile mapping solutions covers a wide variety of applications, including road and highway corridor mapping, facade and heritage modelling, natural surface capture, power line inspection, digital terrain modelling (DTM), 3D city modelling, and more.

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Regional Offices & Locations
Corporate HQ China 599 Gaojing Road, Building D, 201702 Shanghai, China +86 21 5426 0273 Contact Send Message Website
Europe Hungary Infopark Building A, 1/a Neumann Janos street, 1117 Budapest, Hungary +36 20 235 8248 Contact Website
USA United States of America 6380 S. Valley View Blvd Suite 246, Las Vegas, NV 89118 USA +1 480 676 4306 Contact Website
India India 409 Trade Center, Khokhra Circle, Maninagar East, Ahmedabad, Gujarat, India +91 90 99 98 08 02 Contact Website