Vessel Services

ILV Granuaile DP1 Vessel

Vessel Services

ILV Granuaile – advanced, multifunctional vessel for hire

Granuaile Rear ViewILV Granuaile is a versatile Class 1 DP vessel that serves our Aids to Navigation management and maintenance programme – and it is also available for hire.

Delivered in January 2000, it was one of the most advanced vessels of its type in the world at the time. It’s equipped to a high standard, and it has skilled crews experienced in working in all sea conditions.

It provides a platform for a range of marine activities, and has a modern and spacious bridge equipped to a high standard. 

ILV Granuaile can support:

  • Buoy deployment & recovery both inshore & offshore
  • Hydrographic survey-DP capability, making it an ideal platform for conducting a wide range of survey work
  • Sea-bed sampling and mapping
  • Deployment of subsea sensors and measuring devices
  • Remote-operated vehicle (ROV) support
  • Seabed excavation
  • Deployment and recovery of marine hardware
  • Helicopter operations support

To discuss availability and daily rates please contact our Commercial Services team

Phone:     +353 1 271 5400



Certification and vessel specification

The ILV Granuaile has Lloyds 100A1, + LMC + UMS + DP Class 1- ISM Certification.


Specification overview

Gross Tonnage 2,625t
Net Tonnage 787t
Operational Draft 4.6m
Length 79.69m
Breadth Moulded 16.10m
Aft Deck Area 300m2
Container Capability 16 TEU Single Stack
Propulsion 2 X 1,100 kW  Indar Variable Speed AC Motors driving two Schottel steerable thrusters.
1 X 1,200 kW  Bow Thruster (Tees White Gill Jet)



  • Granuaile Bow HaulbowlineSpecialised buoy and mooring handling equipment including hydraulic ram chain guides and stoppers
  • 20t (20m outreach) constant tension crane with two independent falls
  • 30t SWL towing winch
  • 2 x 15t capstans
  • 2 x 5t tugger winches
  • 2 x 8m heavy duty timber workboats with passenger licences



  • ROV Pipeline/Platform member inspections
  • Cable Route Survey
  • Hydrographic and Seismic Surveying
  • Vibracore Sampling
  • Diving Support for Salvage/Wreck Inspection and Filming
  • Deployment and Maintenance of Buoys (for aids to navigation and oceanographic data acquisition)
  • Recovery and Deployment of Offshore Devices
  • Oil Spill Response and Containment
  • Standard and Emergency Towage
  • SAR Coordination and Response
  • Helicopter Land-on and Under-slinging
  • Marine Equipment Testing



  • Large tween deck and lower hold spaces for storage
  • Class 1 Dynamic Positioning System
  • Integrated Bridge Management System
  • Hydrographic Surveying Suite including track guidance and post processing capabilities
  • Three point mooring for diving operations
  • Step down area for diving or boarding devices
  • Forward helicopter flight-deck with fuelling facilities
  • Under-slinging area at stern
  • Interring Anti-Roll system for operational durability and comfort
  • 40t Bollard Pull
  • Moon Pool (0.5m diameter)


Other details and facilities

  • Crew of 16
  • Overnight accommodation for an extra 12 personnel
  • Life Saving Appliances for 39 persons in total
  • Large conference room
  • Recreation room and facilities
  • Two mess rooms
  • 26 en suite cabins