National Sea Rescue Institute

NSRI Station 10's new offshore rescue craft in April 2021 off Miller's Point

The first vessel of the offshore rescue craft (ORC) class vessel was procured from a French boatyard in 2019 and stationed at Durban. The vessel has a 14.8m long composite hull with a 4.8 m beam, and is suitable for search and rescue operations up to 50 nautical miles offshore.[5] The second vessel of the class was finished from an imported set of mouldings and delivered to Station 10 (Simon's Town) from Two Oceans Marine in Cape Town in April 2021. It will be kept ready to launch at a few minutes notice on a cradle in the boathouse.

The rest of the series will be manufactured in Cape Town under license using moulds taken off the second boat's mouldings. The vessel is longitudinally subdivided into forepeak, forward accommodation for survivors, tank space with heads, engine room and steering flat. The superstructure is on the main deck and comprises a watertight wheelhouse, which provides a high centre of buoyancy for self-righting, and has a raised exterior steering position on the port side. The transom has a ladder for boarding from the water and two small platforms just above the waterline. There is a substantial towing bollard on the quarterdeck and a gap in the stern rail at the top of the ladder which also serves as a fairlead for towing lines. The crew seating includes safety belts and shock absorber mountings to mitigate vertical acceleration shock loads.

A track with sliding cars runs around the wheelhouse just below the handrail, providing secure but mobile harness clip-off points for crew working on or traversing the side decks. The handrails on the foredeck and side decks are inset to avoid damage when alongside large vessels in a seaway. There is a small but sturdy davit on the port side suitable for hoisting survivors on board, in clear view of the exterior control point.

Structure is fibre reinforced plastic composite, partly foam cored and partly solid skin with foam cored frames. Structural glass fibres are used for most of the layup, with carbon fibre stiffening where most effective. High density core material is used in heavily loaded components such as engine beds.

Specifications:[5]

• Designation ORC 140.RS
• Survivor capacity: 23/24 persons.(sources vary)
• Crew 6
• Expected lifespan: 40 years.
• Self righting by inherent stability when intact
• Original vessel manufacture: France
• Series manufacturer: Two Oceans Marine (Cape Town)
• Cost per vessel: R20 million
• Series cost: R180 million
• Maximum speed of about 28 knots with crew, equipment and full tanks
• Range of 250 nautical miles at 20 knots cruising speed with 25% reserve.
• Length overall 14.8 m
• Moulded length 13.85 m
• Waterline length 13.56 m
• Beam overall 4.8 m
• Beam moulded 4.6 m
• Depth 2.08 m
• Draught (loaded) 1.4 m
• Displacement (light) 15 900kg according to the stability book
• Displacement (loaded)
• Fuel capacity 2 tanks of 1000 litres each
• Engines: 2 x Cummins QSC 8.3M marine diesels producing 441 kW at ????rpm
• Gearboxes: ZF 370 V, a 10° V-drive, remote mount marine transmission.[6]
• Propellers, rudders and shafts CJR
• Towing bollard rated for 4.5 tonne
• Vessel sound level 76 dB

Names and stations:

• 14-01, Station 5, Durban
• 14-02, "Donna Nicholas", Station 10, Simon's Town, April 2021
• 14-03,

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  Profile from port
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  Bow
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  Stern
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  Port bow

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  View from port quarter
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  Quarterdeck railings
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  Towing gear
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  Flying bridge
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  Superstructure from aft
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  View forward from flying bridge

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  Davit
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  Engine room soft patch
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  Handrail and jackstay track with car
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  Anchor gear and pulpit rail
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  Liferaft and forward escape hatch
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  Engine freshwater flush connection

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  Helmsman's seat
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  Navigation table
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  Wheelhouse exterior watertight door
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  Port side seating
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  Crew seat detail
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  Navigators instrument panel

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  Forepeak and anchor locker access
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  Survivor seating port side
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  Galley area and companionway ladder starboard forward
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  Seating and watertight door starboard aft
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  Companionway ladder and doorway starboard
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  Deckhead escape hatch with drop-down ladder looking aft

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  Starboard tank space
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  Heads in port tank space
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  Port tank space

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  View from forward watertight door
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  Starboard engine and gearbox
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  Port engine and gearbox
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  Port engine aft
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  Starboard exhaust

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  Port steering ram, tiller, rudder stock and link bar
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  Electro-hydraulic steering motor
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  Emergency tiller stowed against transom, emergency exit above