Specifications

Navigation

As standard GPS and Fluxgate Compass
Optional DVL aided INS
Optional DVL aided LBL

Communication

Wireless LAN: IEEE 802.11g compliant
Sattellite communications: Full global coverage via Iridium link
Acoustic Modem for tracking and status updates

Measurements

Length: From 1.8m for base vehicle
Weight in air: From 49 kg for base vehicle
Diameter : 200 mm
Depth rating 500m or 1000m
Battery 1.2 kW Lithium ion rechargeable in Gavia battery module
Max speed: > 5.5 knots
Endurance: Dependant on speed and exact configuration. Typically around 6 hours with DVL INS and greater endurance when using acoustic positioning only
Vehicle can be operated with two batteries for increased endurance (roughly doubled) or batteries interchanged for near-continuous operations.

Typical Scientific Configuration

Gavia base vehicle (500m or 1000m depth rating)
DVL INS or LBL positioning
Side Scan Sonar
Camera
Sound Velocity Meter
Obstacle Avoidance Sonar

Typical Scientific  Options

CTD (Seabird SBE 49)
ADCP
Environmental Characterization Optics (Wetlabs ECO Pucks)
02
Swath Bathymetry Module
Spare Battery Module
Custom Payload Modules for User Supplied Instrumentation