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Orca III

Vessel Description

The Wildcat 53 is high bow buoyancy bow design, symmetrical hull, twin chine catamaran with full length deep keels allowing beaching. GRP composite construction, principle dimensions are LOA 16m, 6.1m / 20ft beam and a 1.5m draft, the design offers excellent sea keeping abilities, being able to push through steep head seas without slamming occurring on the bridge deck by virtue of the fuller bow sections providing adequate buoyancy to lift over waves, this combined with the catamaran designs high levels of transverse stability results in a very stable, seaworthy craft.

The vessel is fitted with twin Scania DI16 V8 750hp engines and Twin Disc MG5135SC Quick shift gearboxes allowing precise control of the vessel for close quarters and slow speed manoeuvring. She is fitted with conventional sterngear, 90mm shafts turning 30″ propellers provide the vessel with a 24kts maximum speed.

A single level cabin in ‘island’ configuration allows a wide, safe passage to the bow where steps and safety railings allow access to her f/wd boarding area also incorporating a f/wd cargo area. Safety railings with boarding doors amidships and at the transom encompass her spacious (28m2 aft) cockpit. A central helm position, provided with CAB 300 series seats for helmsman and navigator, displaying her comprehensive navigation and radio equipment integrated into a large easily viewed console.

The vessel has being designed for multiple operational roles of ‘Windfarm support and crew transfer, to operate as a windfarm support vessel it has a bow fendering fender design of multiple vertically aligned 150 x 150mm / 38mm wall ‘D’ section rubber to cushion impacts and stresses in the bow. No stranger to building exceptionally strong GRP hulls, the Wildcat 53 has the same heavy duty scantlings as Safehaven’s renowned pilot boats which are often subject to severe impacts in rough weather, this produces a vessel that can withstand tough use in the harsh windfarm support vessel environment.

It is also a Category 0 certified, long range offshore passenger / support vessel, complying with damage stability requirements, easily surpassed by virtue of her 8, individual watertight compartments. To facilitate this role she is fitted with long range fuel tanks of 5,600 litre combined capacity, comfortable ‘aircraft style’ seating for 12 passengers. 8 berths in two separate cabins and full live aboard facilities with a full 240v galley, sink and large domestic type fridge freezer. A 12kw generator provides onboard 240v through a ring circuit with multiple outlets throughout the vessel. Removable seating benches providing external seating for 12 passengers in her aft cockpit can be fitted.

It is also fully equipped for hydrographic survey capabilities, the vessel incorporates a moon pool through the bridge deck at the LCG, which is fitted with a (removable) Multi beam deployment system allowing a multi-beam sonar head to be deployed to keel level, and raised up for transits. A hydrographic officers workbench with seating and worktop is fitted in the main cabin allowing for survey / research work to be undertaken in comfort.

A HIAB 026T hydraulic slewing crane is fitted at her transom, this can be used to launch her 4.5m RIB which can be stowed on her aft deck when operational roles require its use.

Lastly the vessel is capable of diver operations fitted with a dive platform and heavy duty divers ladder and aft capstan, combined with twin bow windlass / capstains facilitate vessel positioning The Wildcat 53 is of GRP construction. GRP provides many benefits, being a homogeneous structure it is very strong, it gives a high standard of external finish with the advantage of zero maintenance, it is easily repaired and perfectly compliments Safehaven’s graceful design, resulting in a very striking vessel.

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Vessel Specifications

Below you'll find the full specifications for Orca III. The specifications are also available as a PDF, which you can download by clicking here

NameORCA III
VesselWildcat 53
BuilderSafehaven Marine
Date of LaunchApril 2012
LOA165m
Beam6.1m
Displacement26,000kg lightship / 31,000kg loaded
Construction MaterialGRP Composite
Draft1.5m
EnginesScania D16 750hp
GearboxesTwin Disc MG5135SC Quick Shift
HydraulicsTwin 95kgf bow thrusters, auxiliary supply.
GeneratorFisher Panda 12kw
Shafts90mm dia
Propellers4 blade, 30" dia
CraneHIAB, Model 026T Max lift @ 1m- 1850kg / 5.5m - 430kg
Max Deck Load5,000kg
Fuel CapacityMain tanks 3600ltr / reserve tanks 2000ltr (5600ltr)
Fuel TransferPumping system fitted
Max Speed23-24kts
Operational Speed20-21kts
Water Capacity170 litres
Calorifier Capacity55 litres
Passenger Capacity12 passengers / 3 crew
Seating Capacity14 person main cabin (inc 1 skipper seat/1 nav seat)
Aft Deck Seating12 persons in removable seating modules
Berths8 berths in 2 separate cabins
Deck Area for CargoAft- 28m2, Fwd 8.4m2
Freeboard1.5m
Winches2 x 2000w on fore deck
Capstains1 x 2000w at transom
Moon Pool700x700mm
Multi Beam SonarTransducer deployment system through moon pool
Dive Platform100mm s/s tube. / 30mm GRP grating
Dive Ladder100mm s/s tune, 38mm steps, 1.7m length
CertificationCAT 0, 14 persons
Liferafts2 x 16 man Viking on launching cradles
SounderCVS-128
PlotterKoden GDT-110
RadarJRC MDC-2040T
TransducerTD-501T-3
CompassFuruno SC-30 Satellite
AutopilotSimrad AP28
VHFIcom IC M603
SSB Radio TelephoneIcom IC M801E
GPSFuruno GP-33 / RD33 Display
PC NavigationMaxsea plotting system
NavtexNasa Marine
AISComar CBS200 Class B CD / radio

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