First of Class 'Interceptor Pilot 42' for the Port of Cork

Safehaven Marine craft are renowned for their sea keeping.
Safehaven Marine craft are renowned for their sea keeping.
A well thought out wheelhouse includes a navigation console with full E120 repeater and VHF for one of the pilots.
A well thought out wheelhouse includes a navigation console with full E120 repeater and VHF for one of the pilots.
Gleann Mor will frequently encounter gale force conditions at the entrance to Cork Harbour.
Gleann Mor will frequently encounter gale force conditions at the entrance to Cork Harbour.
The Port of Cork was looking for exceptional hull strength. Gleann Mor will be on the floating pontoon at Seawork 2006.
The Port of Cork was looking for exceptional hull strength. Gleann Mor will be on the floating pontoon at Seawork 2006.
Industry Database

The Port of Cork's new pilot boat will be among the selection of workboats on the floating pontoon at Seawork 2006.

Gleann Mor is a first of class Interceptor Pilot 42, designed and built by Safehaven Marine.

It is based on Safehaven's successful Interceptor 42 hull, which has seen service as Class 6 passenger boats, dive boats and patrol boats, with over 20 such craft now in operation throughout the UK and Europe.

The hull design for the 43ft LOA craft, with a 14ft beam and a draft of 4ft 6in, is well known for its excellent sea keeping abilities.

However, the Port of Cork was also looking for exceptional strength, and to achieve this, substantial 150mm by 150mm transverse frames at 500mm centres on a 10,000gm 2shell laminate were used. The same substantial beams were used on the deck structure and knees, which provides strength at the critical deck to hull join. The likelihood of damage occurring to this hull as a result of normal pilot boarding operations is substantially reduced, resulting in less down time during its life for the busy Port of Cork.

Further hull protection when alongside ships is provided by main fendering supplied by Technix Rubber. This consists of 160mm heavy duty 'D' section, with 140mm 'D' section used for the lower belting and the diagonals.

On deck, a wide walkway, 32mm railings and Hadrian safety rail facilitate safe passage.

During consultation with Harbour Master and pilots at the design stage, the importance of a particularly wide space at the pilot boarding area was stressed.

This has been created by tapering the fore cabin strongly towards the bow.

The liferaft is stored in an easily accessible position on the foredeck and is protected from boarding seas by a mirror polished protection plate incorporated into the forward railings.

In the cabin, the Port of Cork has chosen a central helm position, which means boarding can take place on the side best suited to prevailing conditions.

The helmsman's seating and steering position has been designed with all controls falling easily to hand for fatigue-free operation. Visibility is maximised by forward sloping front windows which shed water easily whilst also reducing glare and reflections. Upper level skylights and roof windows give a clear view overhead. Front screens are heated and a hot air heater/demister is also fitted.

A comprehensive electronics package was provided by Dunmast and consists of three Raymarine 12in E Series screens, two at the helm position providing GPS plotter navigation, sounder and radar, with a repeater at the second position.

An AIS readout and rudder angle position indicator provides further information. The electrical installation was carried out by Marine Electrical Services.

Six pilots can be accommodated if required but there are four pilot seats instead of the usual six. The aft two have a table in front and one has a navigation console with full E120 repeater and VHF incorporated. This provides the pilot with a very comfortable seated position, his own navigation station and access to important information, particularly in adverse weather conditions while communicating with approaching vessels.

Visibility is excellent through windows supplied by MWF.

Cameras positioned on he wheelhouse roof and at the transom provide the helmsman with selectable video images displayed on the E120 units showing both the pilot boarding and the transom waterline.

The latter will be invaluable to the coxswain in the event of an emergency recovery as normally the area directly below the transom is not visible from the helm.

In the event of an MOB situation arising, recovery is easily facilitated by an MOB recovery basket which is single-handedly deployed to below the waterline, allowing an unconscious person to be recovered efficiently in a horizontal position and lifted up to the weather deck. When not in use, the system folds back into the transom out of the way.

The tastefully finished main cabin is lined with grey sidelining carpet which provides insulation and warmth. Access to the forward compartment is through a watertight hatch. Steps lead down to a spacious area with seating and occasional berths.

There is ample storage space and a galley with a 24V hot water boiler. A separate head compartment is situated to starboard.

The engine compartment is accessed from the fore cabin through a watertight door, with a clear walkway up between engines. All service components are positioned accessibly and care has been taken to ensure an amount of redundancy within the engine installation. An example is the raw water supply, which uses a large stainless central filter box, feeding from four individual seacocks. This was a Port of Cork redundancy requirement based on experience with earlier pilot vessels. Should up to three of the seacocks become blocked, there will still be an adequate water supply to the engines. Bilge pumping is by both mechanical, engine . .

. . operated pumps and hand operated pumps. Electrical pumps also serve the engine compartment.

Gleann Mor is powered by twin Volvo Penta D12 engines rated 450hp at 1,800rpm continuous, driving stern gear supplied by Clements Engineering.

An operational speed of 22 knots on a 17,000kg displacement is cognizant of both fuel cost and efficiency.

The Port of Cork specification also called for a means of rapid engine change in the event of a failure. To this end, a large hatch is built into the superstructure roof which can be quickly removed.

The four pilot seats are then unbolted and the complete seating module removed. A large hatch situated in the cabin sole is unlatched and hinged back, expediting rapid engine removal.

Gleann Mor passed its seakeeping trials comfortably in gale force conditions at the entrance to Cork Harbour.

During ship boarding trials its ability to come away from a ship provided great confidence to the coxswain and crew. The deep 'V' hull created a large wedge of water between the two hulls, pushing the pilot boat off easily by use of the wheel alone. The vessel was also very dry and stable when alongside.

The sleek and graceful lines which characterise all Safehaven boats conceal an inner strength born of design features which will ensure Gleann Mor is able to serve the Port of Cork 24 hours per day in all weather conditions.

MJInformation No: 21943

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