The A27-M is the configuration of ECA Group A27 Autonomous Underwater Vehicle, AUV, family for military applications. This flexible platform is capable of carrying out missions inthe following domains:
- Mine Counter Measure (detection and classification phases)
- Sea floor survey (wreck and obstruction identification)
- 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.


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

Applications for Defence & Security Sector

  • Organic underwater mine warfare : MCM Mission Module for large multipurpose vessel
  • Detection & Classification for conventional underwater mine warfare

Operational Performances

  • Endurance: up to 40 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


  • Body diameter: 73 cm
  • Length: 4.5 to 5 m according to payload
  • Weight: 850 to 1000 kg according to payload
  • Energy section: 40 kWh
  • Navigation: INS, DVL, depth sensor and 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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