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AUV System Spec Sheet

ECA A-18 platform

Manufacturer: ECA S.A.


A18-D / AUV / Autonomous Underwater Vehicle

A18-D is ECA Group mid size Autonomous Underwater Vehicle, AUV, for deep water applications. It is dedicated to accurate 3D seabed Survey. It performs autonomous mission up to 3000 m depth with 21 h endurance, and is easy transportable by plane for oversea missions. This system can be delivered with a LARS allowing automatic underwater recovery and Triton Imaging applications for data post processing.


      Light deep water vehicle

      Automatic  underwater recovery system

      Easy deployment for overseas missions (ISO containers transportation)

      Extended  coverage and endurance capacities

      User friendly mission management system

      Flexibility of sensors payload

Applications for Defence & Security Sector

      Search and Rescue operations for Naval Forces

Applications for Maritime Sector

      Pipe survey : Pre & Post Survey, Survey and Exploration for Oil & Gas

      Pipeline survey : Cable, riser and flexible laying for Oil & Gas

      Deep water structure inspection: Underwater inspection & Surveys for Subsea Works

      Deep water survey: Survey & Inspection for Mining

      Deep water bathymetry: Survey for Hydrography Oceanography

      Hydro-Oceanography Vessel : Ships for Hydrography Oceanography

      Data acquisition: Hydrographic Systems for Shipyards

Operational Performances

      Endurance: 24 hours

      Max speed: up to 6 knots

      Nominal speed: 3 knots

      Operational depth: 5-3000 m


      Body diameter: 46.5-50 cm

      Length: 5-5.2 m

      Weight: 550-650 kg

      Energy section: 14.4 kWh

      Navigation: Inertial Navigation System (INS), Doppler Velocity Log (DVL), USBL transponder, Global positioning System (GPS)

      Communication: Radio (UHF), WiFi, Ethernet, Acoustic, Satellite

      Safety: Flashing light, Obstacle avoidance sonar

      Payload: Side Scan sonar, Multi Beam Echo Sounder, Video, Forward Looking Sonar, CTD, environmental sensors

      Air transportable according to UN38.3 standard


      Interferometric Synthetic Aperture Sonar

      USBL or LBL external tracking system

      LARS for RHIB, large ship, or containerized

      Surface ship integration

      Containerized C2

Additional sensors on request (Sub bottom profiler, environmental)



Physical Specs

  • Body Type: Torpedo
  • Body Material: Aluminum
  • Size (LxWxH): 5.00m x 0.05m x 0.05m
  • Body Size (LxWxH): 5.00m x 0.05m x 0.05m
  • Maximum Depth: 3,000.00 m
  • Dynamic Buoyancy: No
  • Self-Righting: Yes
  • Manufacturer Website: Link

Primary Missions

Propulsion System

  • DOF: 6
  • Hovering:
  • Buoyancy: No
  • Biomimetic: No
  • Thrusters: 1
  • Nominal Speed: 1.54
  • Maximum Forward Speed: 2.50


Related Publications

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