Deep Cygnus

The Deep Cygnus is a purpose built offshore construction vessel.

This vessel designated ST-256 L is a purpose built offshore Construction

Vessel designed by Skipsteknisk AS. The vessel is specially designed for

operation under severe weather conditions and with high maneuverability

and station keeping capabilities.

> Cable laying from carousel> Trencher operations over the side> ROV operations from hanger> General offshore construction services> A-frame operations over stern

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Deep Cygnus

MAIN CHARACTERISTICSLength over all ...................................................... 122.40 mLength between p.p. ......................................... 108.00 mBreadth moulded ................................................. 22.00 mDepth to main deck ........................................... 10.00 mMax draft .................................................................... 7.30 mDWT at SWL/7.3 m ............................................ approx. 7900 tonsDeck area aft of hangar ................................. 1400 m²

ANTIROLLING TANKSOne passive anti rolling tank.Interring, combined heeling and anti rolling system.

CLASSDnV +1A1 SF, E0, DYNPOS AUTR, CLEAN, COMF C3 COMF V3, HELDK-SH.

DECK EQUIPMENT150 t AHC Offshore crane with 2000 m wire12 t aux. crane at 17 m reach2 hydraulic powered capstans, each 10 tons pull2 cranes, each 2 t

HELIDECKSikorsky S92 or equal - 21 m, 12.8 tonsRules: CAA CAP437 / DnV

SPEEDMax speed at 5.0 m draft approx. 15.0 knots

ACCOMMODATIONAccomodation in total:92 men in single and double cabins.

ROV SURVEY ARRANGEMENTWROV hangar starboard sideOBSROV hangar port sideFoundations for carousel with guiding and launching equipmentOnline officesOffline room with conference room etc.ROV workshops and maintenance area

DYNAMIC POSITIONING SYSTEMDual redundant Dynamic Positioning System (AUTR/DP II)1 acoustic pos. unit, type HIPAP 5002 DGPSLaser fan beam3 x MRUs

NAVIGATION & RADIO COMMUNICATIONEquipment according to GMDSS regulations, Area A3Three radars, three Gyro CompassesAuto pilot, DGPSElectronic chart system2 x Seapath 200Calling, Command, Teleph.System +CCTV

TANK CAPACITIESWater ballast (drill water) ............................. approx. 3700 m³Fuel oil .......................................................................... approx. 2000 m³Potable water .......................................................... 750 m³

SAFETY EQUIPMENTFast Rescue Craft (FRC)2 x 105 men lifeboatsAccording to SOLAS for the specified class and mumber of crew

FUEL CONSUMPTIONDP ..................................................................................... 12 m3/dayTransit ........................................................................... 30 m3/day Dockside ..................................................................... 5 m3/day

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