QYSEA FIFISH W6 NAVI is a maritime-class ROV with advanced underwater inertial navigation, designed for search & rescue, large vessel inspections, bridge assessments, and mooring line monitoring at depths up to 350 m. Weighing 23.4 kg (710×490×339 mm) with 10 kg payload, >3-knot speed, dual 4K camera system, 12,000 lumen LEDs, built-in Q-DVL for station lock hovering and collision avoidance, U-INS navigation (auto path planning, one-click return), QY-MT smart measurement, QY-BT bathymetric survey, 388.8 Wh removable battery (70% charge in 1 hour), 305 m tether, 20 kgf robotic arm, and 4-port Q-IF interface — the W6 NAVI is the definitive deep-water maritime ROV solution.
Underwater Inertial Navigation (U-INS)
- Deep Learning Sensor Fusion – Accurate position, velocity, heading, and attitude information
- Subsea Mission Planning – Automated surface-adaptive path planning for systematic inspections
- One-Click Return – Intuitive return-to-home from any position
- Real-Time Motion Tracking – Visual display of paths with custom maps and POI recording
- Multiple View Display – Comprehensive operational awareness during navigation
Station Lock & Stability (Q-DVL)
- Downward Q-DVL: Detection range 0.1–100 m — station lock hovering, collision avoidance
- Altitude Locking & Tracking – Consistent height above seabed for systematic survey passes
- Downward Collision Avoidance – Automatic obstacle detection and prevention
- Q-DVL Dimensions: 130×154×34.5 mm, 840g/550g (air/water), 100-BaseT Ethernet
Smart Measurement (QY-MT) & Bathymetric Survey (QY-BT)
- Built-in Dual Laser Scaler – 660nm red laser, 10 cm apart for calibrated measurement
- Millimeter-Accuracy Measurement – Length, width, area, perimeter, angles for structural defect identification
- Intelligent 2D & 3D Seafloor Mapping – Automated data collection with echosounder integration
- One-Click Report Generation – Customizable topographic maps and data export
Dual 4K Camera System
- Dual 1/1.8″ CMOS 12MP Sensors – 4K UHD at 25/30 fps, 1080p up to 90 fps
- 100° Vertical / 166° Horizontal FOV – Ultra-wide view for comprehensive inspections
- f/1.8 Aperture – Superior low-light performance, ISO up to 6400
- 12,000 Lumens (2×6,000) – 5500K, 120° beam, 3 brightness levels
- 128 GB × 2 Standard Storage – Expandable to 256/512 GB per slot
- AI Vision Lock & Auto Navigation – Intelligent imaging enhancement
Power & Propulsion
- 388.8 Wh Removable Battery – 1–4 hours usage, quick charge 70% in 1 hour, full in 1.5h
- Q-Motor Double Closed-Loop Induction System – Strong depth resistance and energy efficiency
- 6 Propellers (Hard Anodized Aluminum Alloy) – 6-DOF, 360° omnidirectional movement
- Posture Lock: ±0.1° | Depth Lock: ±1 cm
Robotic Arm & Ports
- 20 kgf Grip Strength Robotic Arm – 125 mm opening, 10V–26V, included as standard
- 4× Q-IF Ports – Stainless steel 316, 24V @ 5A, Ethernet, UART
- 305 m Tether – 6 mm diameter, 200 kgf tensile strength, neutral buoyancy
- Rugged Industrial Hard Case – With 5 Q-IF for payload integration and communication tether
Application Scenarios
- Search & Rescue Recovery – U-INS navigation with QY-MT measurement for rapid target location
- Large Vessel Monitoring – 350 m depth hull and propeller inspection with dual 4K cameras
- Bridge & Foundation Inspection – Station lock hovering for stable structural assessment
- Mooring Line Inspection – Altitude tracking and collision avoidance for line-following operations
- Subsea Exploration & Survey – Automated bathymetric mapping and environmental monitoring
