City Cat refits

The Brisbane City Ferries known as “City Cats” underwent a refit and upgrade program across 2022-2023. MPS were honored to assist with these projects completing the below across the fleet assisting with 8 vessels in total.

  • Ventilation system upgrades.
  • Hydraulic system maintenance and repairs.
  • Raw water system repairs.
  • Exhaust system repairs.
  • Bilge pump replacement and piping repairs.
  • Black water system repairs.
  • Wet deck piping replacement, upgrades, and repairs.
  • Driveline system maintenance and bearing replacement.
  • Rudder gear repair and bearing replacement.
  • Valve repairs and replacement.

Helios 3

Helios 3 is a 50 mtr 2012 built by DELTA MARINE.

  • Rebuild and repairs to various system pumps through the vessel including, HVAC raw water pumps, Hydraulic cooling and refrigeration raw water pumps.
  • Repairs to CuNi overboard discharge manifold.
  • Installation and plumbing of new steam oven.
  • DPF cleaning.
  • Modification to fuel hose and oil reels including new hoses.
  • Tender ladder repairs and upgrades.


The 73 m superyacht Lunasea was launched at the Feadship | Royal Dutch Shipyards yard at the Kaag Island in 2017.

  • Manufacture and install Starlink brackets on bridge roof.
  • Overhaul of anchor windlasses and capstans.
  • Rebuild chilled water circ pumps.
  • HVAC ducting upgrades.
  • Modify main sea strainers and install Cathelco system.
  • Manufacture lifting and rotisserie frame for generator engine 0 hour rebuilds in situ.
  • Overhaul valves on various systems.


GLAZE is a 49m luxury motor super yacht built in 2007 at Trinity Yachts.

  • Assist with HVAC system upgrade installation and commissioning.
  • Manufacture and install new CuNI HVAC raw water system piping.
  • Windlass gearbox replacement.
  • Tender maintenance and upgrades to salt water system, freshwater system, solar panel, windlass, anchor roller, bilge pump and ladder.

Keri Lee 3

KERI LEE III is a 55m luxury motor super yacht built in 2001 by Trinity Yachts.

  • Full component strip for vessel re-paint.
  • Davits stripped, overhauled and re-installed.
  • Fire damper upgrades.


Valinor is a motor yacht with a length of 49m. The yacht’s builder is Westport Yachts from United States who delivered the superyacht Valinor in 2013.

  • Fabricate and install UPS rack.
  • Engine room deck frame modifications.
  • Sea chest blanking plate manufacture.
  • Rebuild and pressure test main sea chest valves for survey.
  • Re-power tender from petrol outboards to COX diesel outboards.

Kokomo 2

Kokomo 2 is a 38mtr luxury motor yacht built in 1987 at Lloyds Ships in Australia and underwent a major refit in 2023 at Rivergate Marina and Shipyard.

  • Assistance with generator re-power.
  • Bilge system piping installation and upgrades.
  • Hull valve overhauls and replacements.
  • Fresh water system installations and upgrades.
  • Raw water system modifications.
  • Anchor windlass gypsy manufacture and installation.
  • Black and grey water system piping modifications.
  • Modifications to mast for new nav gear.
  • Galley stainless steel modifications.

No Comment

No Comment is a 46m Motoryacht built in 2006 by Christensen Shipyards.

  • Fire/bilge pump overhauls.
  • Black/grey water pump overhauls.
  • Hull valve servicing and replacement.
  • Hydraulic tube upgrades.
  • Oil pump system installation.
  • Piping system repairs and upgrades.

Lady E

Lady E (previously Lady S) is a 75m Motoryacht built in 2006 by Amels. She received a major refit in 2020.

  • Class approved ballast water treatment system installation including all CuNi piping systems.
  • Generator and main engine exhaust system repairs.
  • DPF cleaning.

Scimitar Power Catamarans

Scimitars are an Australian classic which started in 1997. After a 12 year hiatus, the brand has been relaunched by Aus Ships Group.

  • Assist with engineering fit out and system installations for 25th anniversary new builds.
  • Maintenance and repair assistance for refits.

Plan B

Plan B at 50m in length, was originally built for the Australian Navy back in 1973. She has had numerous refits since being decommissioned by the Navy.

  • CuNi piping system upgrade for ballast water system.
  • Re-design and manufacture generator exhaust system.
  • Manufacture new stainless steel anchor roller assemblies.
  • Tankless freshwater instant heater system installation.
  • Manufacture new 2205 stainless sea strainer assemblies.
  • Design, manufacture and install new stainless engine room ventilation ducting system.
  • Piping system modifications and repairs.
  • DPF cleaning.
  • Class approved fire damper installation.
  • Fire main piping repairs.
  • Supply and install new hull and system valves, including pressure testing and class approvals.

MY Koonoona

Koonoona was one of the largest Nordhaven yachts built when she was delivered in 2015.

  • Tender crane removal, strip for paint, overhaul, re-installation, and load testing.
  • Rudder and steering gear overhaul and installation of new bearings.
  • Shaft line, removal, bearing replacement and shaft line checks.
  • Shaft seal replacement.
  • Supply and installation of shaft line rope cutters.
  • Removal and servicing of all hull valves and sea chests.
  • Dive compressor servicing.

MY Star (Star Entertainment Group)

Star (previously Sovereign) is a 44m Benetti launched in 2022. She underwent a major refit in 2020 to become a day boat for The Star Entertainment Group.

  • Plumbing system upgrades.
  • Ventilation system mist eliminator design, manufacture, and installation.
  • Major galley and sun deck bar upgrades.
  • Fire main system servicing and upgrades including custom hydrant lockers.
  • Sewage system service and repair.

RAN LHD Ventilation

The Australian Navy’s Landing Helicopter Dock ships HMAS Canberra and HMAS Adelaide, are the largest vessels in the fleet.

  • Design and manufacture of ventilation intake mist eliminators.

MY Pangaea

Pangaea is a 58m luxury expedition vessel launched in 1999 by Halter Marine  and is used for pleasure and oceanic research.

  • Zenoro auxiliary generator installation (2 x 200 eKW).
  • Xeamos DPF/SCR exhaust treatment system installation (2 x units with auxiliary generators).
  • Auxiliary generator exhaust system manufacture and installation.
  • Zenoro emergency generator installation (1 x 96 eKW).
  • Emergency generator compartment, ventilation system design and installation upgrade.
  • Emergency generator exhaust system manufacture and installation.
  • Hamann sewage treatment plant installation.
  • Fuel system upgrade.
  • Compressed air dryers supplied and installed.
  • Engine room deck plate manufacture and installation.

QPS Conroy & Handran

Queensland Police Service has 6 x 23m multipurpose catamarans. Each vessel is named in honour of officers that have lost their lives in the line of duty.

  • Life extension repair and upgrades.
  • Disassembly of engine rooms for re-coating.
  • Removal and re-installation of main engines, generators, shafts, bearings, props, rudders and steering gear.
  • Black and grey water system inspections.
  • Strip, inspect and service full raw water system.
  • Anchor cable replacement.
  • Spurling pipe upgrades and re-manufacture.
  • Tank cleaning.

City Cat 22, 23, 24, 25, 26, 27, 28, 29 & 30

The new generation of double-decker CityCat ferries, are being built in Brisbane by Aus Ships Group.

  • Installation of main engines and driveline.
  • Stern tube liner installation.
  • Installation of rudders and steering system.
  • Installation of fuel oil system.
  • Manufacture and installation of fire/bilge system.
  • Manufacture and installation of raw water system.
  • Manufacture and installation of exhaust system.
  • Installation of fresh-water system
  • Installation of sewage system.
  • Installation of ventilation system.

MV Sun Harmony

Sun Harmony was built in Brisbane by Aus Ships Group, for the Intercontinental Hayman Island Resort.

Installation of all engineering systems for new build of passenger ferry. Systems included:

  • Fire bilge pumps and system piping.
  • Fresh water pump and piping system, including guest area fit out.
  • Black and grey systems including pumps, tanks and piping systems.
  • Fuel system.
  • Main engine and generator installation.
  • Shaft line installation and alignment.
  • Rudder and steering system installation.

MY Aurora

  • Installation of CuNi and CPVC bilge suction system throughout vessel.
  • Overhaul of salt water service pumps throughout vessel.
  • Design of handrails to meet survey requirements.

MV Seadeck

  • Manufacture of custom aluminium gangway.
  • Manufacture polished stainless-steel bollards.
  • Installation of piping system and conversion of redundant ballast tanks to increase black water system holding capacity.

MY Shirley Anne

  • Supply and installation of upgraded generators to Zenoro Premium Super Yacht Generators.
  • Supply and installation of Xeamos zero soot exhaust after treatment systems (generators).
  • Replacement all black water grey water and fresh water piping systems throughout vessel.
  • Supply and installation of upgraded shaft seal arrangement (Kemel EVK seals).
  • Tank cleaning and repairs.
  • Removal and overhaul of all vessel sea water pumps.
  • Removal and servicing of shaft line.
  • Full engine room strip, re-design and re-build

MV Pursuit

  • Installation of ventilation systems to ULP and Jet A1 tank voids, including class approved damper systems.
  • Installation of 50 kw air-conditioning system to on-board helicopter hanger.
  • Installation of upgraded diesel transfer system.
  • Installation of roving bilge scavenge system.
  • Re-configuration and upgrade of shaft cooling system

MV Damian Leeding

Installation of engineering systems for new build of Queensland Water Police Vessel Systems included;

  • Black water system.
  • Grey water system.
  • Fresh water system.

MY Platinum

  • Main engine re-power.
  • Generator re-power.
  • Installation of exhaust zero soot after treatment systems (generators).
  • Manufacture and installation of new 316 stainless steel sea chest manifold.
  • Re-manufacture of all 316 stainless steel sea chest pipework throughout engine room.
  • Manufacture and installation of full vessel external 316 polished stainless-steel handrails.
  • Manufacture and installation of main engine and generator exhaust systems.
  • Supply and installation of compressed air system, including compressor, dryer and custom air receiver.

MY Qing

  • Hull valve overhauls
  • Installation of new air compressors, dryers and receivers
  • Manufacture of new steel sea chests
  • Passarelle hydraulic cylinder replacements.
  • Main engine and generator stainless steel exhaust manufacture and installation including flexible mounting arrangement.
  • Steel discharge overboard stub pipe replacements.
  • Manufacture and installation of main engine exhaust bellows and stainless exhaust system.

Commonwealth Patrol Boats

  • Technical Superintendency of more than 40 maintenance activities in Darwin and Cairns.
  • Fleet wide component manufacture.
  • Designing engineering upgrades
  • Urgent defect (URDEF) rectification.
  • Aluminium hull, Structural and Plumbing repairs.

MY Aquamarina

  • Internal tank cleaning and welding repairs
  • Hull valve overhauls
  • Fuel polishing system installation
  • Install new refrigeration cooling system
  • Replacement and commissioning of fire sprinkler system heads
  • Overhaul of fuel system hydraulic quick close valves
  • Various domestic and system plumbing repairs including PVC, steel, stainless steel and CuNi
  • Various fabrication and welding tasks

MV Umbra

  • Internal tank cleaning
  • Installation of 50kw air conditioning system
  • Relocation of reverse osmosis plant
  • Installation of custom 6000L unleaded petrol system
  • Fresh water pump system upgrade
  • Manufacture and installation of 700L aluminum lube oil storage tank.
  • Installation of charcoal filters to black water vents.
  • Domestic plumbing upgrades