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 (Typical MCM 2.6m)
Weight in air: From 49 kg for base vehicle (Typical MCM 62 kg)
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 7 hours with DVL INS and greater endurance when using acoustic positioning
Vehicle can be operated with two batteries for increased endurance (roughly doubled)
or batteries interchanged for near-continuous operations.

Typical Defence and Law enforcement Configuration

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

Sonar Training Target Configuration

The Gavia AUV mounting the Sonar Transponder Module (STM) module used for receiving and retransmitting sonar signals from Scanmatic AS transform a standard Gavia vehicle that can be utilized for a variety of other tasks to a Sonar Training Target for ASW training. The STM is operated through the Gavia User interface.
Target size to 20 dB
Frequency range 5 -50 kHz
Noise Transmit 3 – 20 kHz
Programmable target highlights and echo stretch