





Smart Unmanned Survey Vessel
ALPHA ARK-N
ALPHA ARK-N is a newly launched intelligent Unmanned Survey Vessel from Alphageo, featuring a highly integrated main control system, built-in high-precision positioning system, single-beam echo sounder, and vessel control software, making your surveying operations more effortless. With high-power propellers, each delivering 850W of power and a maximum speed of 7 m/s, it effortlessly handles survey tasks in rivers, lakes, reservoirs, and other water bodies. The smart remote controller integrates multiple communication methods, including radio bridge, 4G, Wi-Fi, and Bluetooth, eliminating the need for cumbersome peripheral devices such as bridge base stations, laptop, and portable power supplies. It supports remote-controlled surveying, autonomous surveying, surface hovering, automatic return-to-home, and other functions, while also offering internal data storage and remote control capabilities, ensuring greater efficiency in your work.
Automatic measurement
Automatically perform tasks andreturn autonomously.
Dual-antenna GNSS configuration
High positioning and orientation accuracy with dual antennas, supports BeiDou precision.
Integrated main control design
Highly integrated central control computer, less complex cabin wiring.
Sensitive obstacle avoidance system
Smart autonomous obstacle avoidance.
High-power dual-propeller
1700w max power, 7 m/s top speed.
Product Showcase
Specifications
| Dimensions | 950mm(L)×500mm(W)×350mm(H) |
| Weight | 6kg (without battery) |
| Payload | Mini single-beam echo sounder only (default) |
| Material | Nano carbon fiber polymer composite |
| Protection level | IP67 |
| Anti-wind & Anti-wave | Resistant to Cat 3 winds, Cat 2 waves |
| System assembly | Modular, simple assembly and usage process without using complex tools |
| Boat shape | Trimaran |
| Navigation lights | A pair of two-color navigation lights |
| Camera | 360° full view camera |
| Obstacle avoidance | Millimeter-wave radar |
| Dimension | 430 (H) × 255 (L) × 235 (W) mm |
| Weight | 9.3 kg |
| GNSS antenna | Dual antenna, pre-installed in front and rear individually |
| Tracking performance |
GPS:L1C/A,L2P,L2C,L5; BDS:B1I,B1C,B2a,B2b,B2I,B3I; GLO:G1,G2,G3*; GAL:E1,E5b,E5a,E5AltBoC*,E6c*; QZSS*:L1C/A,L2C,L5; SBAS*:L1C/A,L5; IRNSS*:L5; |
| Accuracy | Horizontal: 0.008m+1ppm Vertical: 0.015m+1ppm |
| IMU | IMU onboard |
| IMU performance | Heading accuracy 0.15°@1m baseline, orientation accuracy 0.25°@1m baseline |
| Minimum Focus | 1.5 m |
COMMUNICATION
| Cellular network | 4G LTE |
| Communication mode | 4G & network bridge |
| Data communication | 4G & network bridge |
| Video communication | 4G & network bridge |
| Remote control unit | Android remote controller |
| Communication distance |
2.5km using network bridge Unlimited using 4G network |
| Software |
Control & acquisition software (Android) Post-processing software (Windows) |
| Battery | 33V/45Ah portable and detachable high-performance ternary lithium battery |
| Battery life | 7 hours @1.5~2m/s |
| Cruising speed | 1.5m/s ~ 2m/s |
| Maximum speed | 7m/s |
| Motor | High-efficiency culvert brushless motor |
| Motor power | Typical 850W each |
| Propeller | Ducted propeller |
| Steering mode | Steering engine free, differential steering, reversible |
| Frequency | 200KHz |
| Beam angle | 5° |
| Sounding range | 0.4m ~ 100m |
| Sounding accuracy | ±1cm±0.1%D (D is the depth value) |
| Resolution | 0.01m |
| Pressure depth | ≥50m |
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