The A27-E is the configuration of ECA Group A27 Autonomous Underwater Vehicle, AUV, family for civil applications. His flexible platform is capable of carrying out missions inthe following domains:
- Hydrographic data acquisition (compliant with “special order” recommendations of
IHO SP44),
- Oceanographic data gathering (current and temperature profiling, habitat mapping)
- Geophysics data gathering (sediment analysis, seafloor classification),
- Shipwreck or crashed underwater aircraft localisation (sonar and video imaging)

This system can be delivered with a LARS allowing automatic underwater recovery and Triton Imaging applications for data post processing.

Features

  • Full suite of sensors working simultaneously
  • High stability due to design architecture increasing acoustic sensors performance
  • Operation from non-dedicated vessels or coastal platforms
  • Automatic underwater recovery system
  • Easy deployment for overseas missions (ISO containers transportation)
  • User friendly mission management system for mission planning, simulation, monitoring and replay
  • Flexibility of sensors payload
  • Onboard intelligence

Applications for Maritime Sector

  • Medium water bathymetry: Survey for Hydrography Oceanography
  • Hydro-Oceanography Vessel 
  • Vessels systems & equipment: Hydrographic systems for data acquisition

Operational Performances

  • Endurance: up to 30 hours
  • Max speed: up to 6 knots (relative to the water)
  • Nominal speed: 3 knots
  • Depth: 300 m
  • Air temperature range: -10°C to +45°C
  • Water temperature range: -2°C to +32°C

Characteristics

  • Body diameter: 73 cm
  • Length: 4.5 to 5 m according to payload
  • Weight: 850 to 950 kg according to payload
  • Energy section: 31.2 kW
  • Navigation: Inertial Navigation System (INS), Doppler Velocity Log (DVL), depth sensor and Global positioning System (GPS)
  • Communication: Radio (UHF), WiFi, Ethernet, Acoustic, Satellite
  • Safety: Emergency pinger, Strobe light, Fault and leak detection, Obstacle Avoidance System/ Detection of the tow recovery cable, Iridium POSSIBLE
  • Payload: Side Scan Sonar or Synthetic Aperture Sonar, Multi Beam Echo Sounder, Video, Forward Looking Sonar, CTD, environmental sensors
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