Teledyne Gavia AUV

Key Features:

Multi-mission, low logistics, expeditionary AUV
Industry leading 1000m depth rating
Fully modular and field reconfigurable, including field swappable batteries
Cost effective operations by a small team from vessels of opportunity
Compact, optimized for overnight shipping
Highly accurate navigation with optional USBL aiding
A wide selection of modular survey and defense sensors available, including SAS, SBP, MBES, SSS, SBP along with custom payloads, and autonomy options camera, environmental sensors and custom payloads
Sales to 16 NATO and NATO aligned naval users, the Gavia has unrivaled mission versatility

Benefits:

2-man portable/deployable
Operations from vessels of opportunity
Wide array of additional sensors available
No installation or calibration of peripherals required
Over the horizon communications through Iridium

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.

Gavia AUV modules

Gavia AUV Modularity

The Gavia AUV can carry a variety of sensors that are especially well suited for military, commercial, and scientific applications.

a) Propulsion and Actuator Module

This module provides the necessary thrust to propel the Gavia AUV through the water. It ensures the vehicle can move efficiently and effectively during its missions.

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b) Control and Communications Module

This module is responsible for the overall control of the AUV, managing its navigation, stability, and mission execution. It ensures that the vehicle follows the pre-defined mission plan accurately and adapts to any changes in the environment.

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c) DVL Aided INS C3 Module

The PHINS COMPACT C3 is a state-of-the-art naval inertial navigation system (INS), designed to meet the demands of the navy for high performance INS, and enables stealth autonomous navigation for surface or subsea applications.

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d) Gavia Battery Module

Extend the endurance of the Gavia AUV with field swappable battery modules.

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e) RESON SeaBat T20 Module

High-Resolution Bathymetric Data: The SeaBat T20-S Multibeam Echo Sounder (MBES) operates at 400kHz and delivers high-resolution bathymetric data with remarkable positional accuracy.

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f) MINSAS60 Module

Synthetic Aperture Sonar (SAS): The MINSAS60 module is equipped with Kraken’s Miniature Synthetic Aperture Sonar (MINSAS). This advanced sonar technology provides high-resolution imaging and detailed seabed mapping capabilities.

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g) Gavia Auv Science Bay Module

Integration of Scientific Sensors: The module allows users to add up to six scientific sensors to the Gavia AUV. This includes several hull penetrations and external wet plugs that provide power and serial communication for external devices.

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i) EdgeTech Bathy Module

The EdgeTech Bathy Module utilizes interferometric sonar technology to provide high-resolution bathymetric data. This technology allows for precise mapping of the seabed, making it ideal for hydrographic surveys.

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j) Blueview Module

The BlueView 2250 multibeam profiling module, built for the Gavia AUV by Teledyne BlueView, provides high-resolution 3D mapping capabilities. This allows for detailed and accurate imaging of underwater environments

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k) Subbottom Profiler Module

The module is equipped with a subbottom profiler that uses acoustic signals to penetrate the seabed and provides detailed images of the subsurface layers.

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l) LF STM Module

The Sonar Training Module (STM) receives and analyzes sound signals from sonar and generates an echo or emits pre-stored sound signals.

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x) Gavia Camera Module

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x) Gavia Nose Cone Module

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x) Gavia Side Scan Sonar Module

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x) Sonar Training Target Module

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Videos

Use of the Teledyne Gavia AUV
Teledyne Gavia – System Setup