THE GAVIA AUTONOMOUS UNDERWATER VEHICLE (AUV) is a self-contained, low logistics, modular survey platform capable of delivering high quality data while operating from vessels of opportunity or from the shore.
The AUV's innovative modular design allows for swift reconfiguration between dives. Its unparalleled ease of use and exceptional versatility make it a standout in the market. The Gavia AUV system excels in performing a wide range of tasks without compromising on performance or data quality.
Applications
-
Commercial: pre/post construction support and pipeline inspection
-
Defense: Mine Countermeasures (MCM), Rapid Environmental Assessment (REA), Search and Recovery (SAR), and Sonar Training
-
Scientific: Oceanography and Marine Archeology
Technical Specifications
-
Length: 1.8 - 4.5m (configuration dependent)
-
Weight in Air: 50-130 kg (configuration dependent)
-
Diameter: 200 mm
-
Depth Rating: 500 or 1000m
-
Battery Module: 1.5 kW lithium ion rechargeable cells per module. Up to 3 battery modules can be used on the vehicle for enhanced endurance.
-
Max Speed: >5.5 knots
Endurance: Dependent on speed and exact configuration. Typical Defence or Scientific configuration 7-8 hours at 3 knots per rechargeable battery module. Typically, 5-6 hours at 3 knots per rechargeable battery module with all sensors (including swath bathymetry). Vehicle can be operated with up to 3 batteries for increased endurance or batteries can be field swapped for continuous operations.
Communication:
-
Wireless Lan: IEEE 802.11g compliant
-
Satellite Communication: Full global coverage via Iridium link
-
Acoustic Modem: For tracking and status updates
Navigation: High accuracy DGPS ready receiver
High-precision DVL-aided Inertial Navigation System (INS) with Teledyne RDI Doppler Velocity Log (DVL) and direct sound velocity meter.
Positioning accuracy can be maintained over longer duration deployments by utilizing Ultra Short Baseline (USBL).
Applications
Commercial applications
The Gavia AUV can be a productive asset to any commercial survey operation and has been proven in real world environments, providing cost effective data when compared to traditional means using surface vessels and ROVs. Multiple sonar options provide the customer with a full suite of survey sensors including side scan, synthetic aperturesonar, swath bathymetry, sub-bottom profiling, and gap fill.
Defence and security applications
The Gavia AUV can carry a variety of sensors that are especially well suited for military and security applications. The system is field proven for applications that include MCM, SAR, and ASW training. The field-changeable and easily transportable modules make it optimal for rapid response to emerging requirements.
Scientific applications
The Gavia AUV can carry both user designed payload modules and an array of typical scientific standards, which makes it the ideal tool for researchers gathering a variety of data in depths up to 1000m. The Science Bay Module allows easy integration of common science sensors.
