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A Remotely Operated Underwater Vehicle (ROV) is a flexible attached of underwater mobile device.

ROV perform numerous tasks in many fields. Their tasks range from simple survey, inspection of Subsea structures, Pipelines, and platforms, to connecting pipelines and placing underwater manifolds. They are used extensively both in the initial construction of a sub-sea development and the subsequent repair and maintenance.

As the advanced Diving Contractor has a 3 class ROV to support Subsea intervention works. The Work Class ROV (Class III) support by ROV XL-30, these vehicles are large enough to carry multiple additional sensors and/or manipulators. ROV XL-30 have a multiplexing capability that allows additional sensors and tools to operate being “hard-weird” through the umbilical system. These vehicles are the larger and more powerful than the Observation and Semi Work-Class ROV.

The second class is Observation ROV with payload option (Class II) class ROV which support by ROV Supermohawk and Mohican. These are the ideal platform for all inspection tasks, NDT, light intervention, pipeline/cable/seabed survey, diver assist/safety, harbour & port security, scientific survey & data collection, renewable energy projects, civil engineering, long tunnel excursion and for inland waterways.

The last class ROV is Inspection/Observation class (Class I). PT AOS supported by 3 (three) ROV Inspection/Observation Class. There are Mojave, Navajo, Seaeye Falcon. These ROV may be fitted with ancillary equipment consisting of a camera, lights, and (possibly) sonar only. They are primarily intended for pure observation tasks, although they may be able to carry one additional sensor (such as cathodic protection (CP) probe, as well as a second camera video.