Survey Equipment

iXblue Gaps M5: USBL Positioning System

Availability: Rental

Gaps M5 is a Medium frequency Ultra-Short Baseline (USBL) positioning system for accurate location, positioning and tracking of subsea assets, from ultra-shallow water to medium water depths. It combines an USBL integrated with a heading and attitude sensor based on iXblue FOG technology.


Robust True North finding sensor.

DP compatible LBL/USBL.

Third-party transponder compatible.

Acoustic communication (telemetry).

3D display software included (Delph Roadmap).


Operating range: 995 m with Gaps M5 4,000m with extended range version Gaps M5-XR

Acoustic coverage: 200?

Acoustic precision: 0.1 % of the slant range CEP50

Positioning accuracy: 0.2 % of slant range CEP50

Range accuracy: 20 mm


AUV tracking and ROV tracking

Tow fish and diver tracking

Dynamic positioning

LBL Box-in

Offshore construction

Product Enquiry

Case Studies

Unique Group Provides Multi-beam Echo Sounder for Searching Underwater Rock Art in Australia  
Survey Equipment Australia
Read More
Marine Magnetometer aids in closure of missing woman case in South Dakota
Survey Equipment USA
Read More
Turnkey Survey Equipment package delivered to Sandock Austral Shipyards as part of the Renewal of the South African Navy Hydrographic Capability
Survey Equipment South Africa
Read More