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Maritime Technical Library • Engineering Blog

Technical Service Articles &
Class Survey Engineering Posts

Explore publication-ready engineering manuals, SOLAS/MARPOL compliance SOPs, diagnostic matrices, and worldwide port attendance protocols.

All Topics (80) Bridge & NavCom (34) Safety & LSA/FFA (11) Propulsion & Engine (12) Scrubber & MARPOL (8) Auxiliary & Galley (7) Cathodic Anodes (1) Automation & SIS (5)
Showing 1 to 12 of 80 technical articles
Safety & LSA/FFA 9 min read

Tyco FirePro Marine Fire Suppression & Aerosol System Service

MarineListing delivers 24/7 Class-certified engineering attendance, statutory inspection, activation circuit testing, and genuine component renewal for Tyco Fire Protection and FirePro condensed aerosol fixed fire-extinguishing systems globally. Engineered for engine rooms, pump rooms, electrical switchboard compartments, and paint lockers, our certified Marine Safety Technicians provide full compliance with SOLAS Chapter II-2, IMO MSC/Circ.1270, and IACS Class requirements. Across Singapore, Rotterdam, Dubai, Houston, Busan, and Shanghai, we execute aerosol generator shelf-life recertification, B-9602/FPC sequential control module testing, pyrotechnic squib continuity checks, pneumatic line tightness testing, and Class survey issuance.

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Technical Service 12 min read

Victor Marine OWS 15ppm & STP Sewage Treatment Plant Service

MarineListing delivers 24/7 Class-approved annual calibration, coalescing matrix refurbishment, automated diverter valve overhaul, and genuine spare parts supply for Victor Marine Oily Water Separators (OWS) and Sewage Treatment Plants (STP) worldwide. Specializing in the Victor Marine CS-series (CS-0.5 to CS-10), S-15 bilge alarm monitors, OCM 12 oil content meters, and STP biological sewage treatment units (STP 15–100), our certified marine environmental technicians restore 100% operational integrity. Operating across major global bunkering and shipping hubs—including Singapore, Rotterdam, Fujairah, Houston, and Busan—we ensure strict statutory compliance with IMO MEPC.107(49), IMO MEPC.227(64), MARPOL Annex I, and MARPOL Annex IV mandates, guaranteeing zero Port State Control (Paris MoU, USCG) detentions.

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Propulsion & Machinery 11 min read

VEEM Marine Gyro Stabilizer & Interceptor Propeller Service

MarineListing provides 24/7 Class-certified engineering support, flywheel vacuum chamber servicing, high-speed bearing overhauls, and genuine spare parts supply for VEEM Marine Gyro Stabilizers (VG 120, VG 140, VG 260, VG 520, VG 1000, VG 1450SD) and VEEM Interceptor Propeller systems worldwide. Supporting superyachts, offshore wind Crew Transfer Vessels (CTVs), fast patrol craft, and commercial workboats, our factory-trained gyroscopic stabilization specialists restore maximum roll attenuation performance ($> 90\%$ roll reduction at zero speed and underway). Operating across major yachting and maritime hubs—including Singapore, Rotterdam, Dubai, Fort Lauderdale, and Busan—we execute complete vacuum recovery, active hydraulic precession brake tuning, bearing spectral vibration analysis, and hull foundation NDT inspections strictly adhering to IACS Class rules.

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Technical Service 12 min read

Valmet DNA Marine Automation, IAMCS & Power Management Service

MarineListing delivers 24/7 Class-certified engineering support, controller board repair, I/O node calibration, and lifecycle software servicing for Valmet DNA Integrated Automation Systems (IAS), Distributed Control Systems (DCS), and Power Management Systems (PMS) worldwide. Supporting cruise ships, LNG carriers, container vessels, and offshore energy units operating Valmet DNA, ACN CS/RT controllers, and hybrid marine PLCs (Unitronics Unistream, Wago PFC200), our factory-trained marine automation engineers service Integrated Alarm, Monitoring and Control Systems (IAMCS), propulsion interlocks, and cargo automation networks. Operating across key maritime hubs—including Singapore, Rotterdam, Dubai, Houston, and Busan—we ensure 100% compliance with SOLAS II-1/31 unattended machinery (UMS) rules, Class PMS blackout prevention mandates, and IACS UR E26/E27 maritime cyber security standards.

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Technical Service 11 min read

VAF Instruments ViscoSense, Fuel Flowmeter & Visy-X Propulsion Service

MarineListing delivers 24/7 Class-approved calibration, hardware overhauls, sensor element renewal, and genuine spare parts supply for VAF Instruments marine measurement and control systems worldwide. Specializing in VAF ViscoSense 3D, ViscoSense 2, Viscosity 370, Visy-X fuel efficiency monitors, and PT/ProFlow positive displacement fuel meters, our certified instrumentation and automation specialists maintain precise viscosity control ($10\text{--}15\text{ cSt}$) across HFO, VLSFO, and MGO fuels. Operating across primary bunkering and trade hubs—including Singapore, Rotterdam, Fujairah, Houston, and Busan—we ensure 100% compliance with ISO 8217 fuel injection specifications, engine maker atomization requirements (MAN B&W, WinGD, Wärtsilä), and MARPOL Annex VI Reg 27 IMO DCS / EU MRV reporting accuracy.

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Bridge & NavCom 12 min read

Wärtsilä NACOS Platinum Integrated Bridge & DP2 Dynamic Positioning Service

MarineListing provides 24/7 Class-certified engineering support, hardware repairs, sensor integration, and annual commissioning trials for Wärtsilä NACOS Platinum, NACOS 5000, 6000, and 7000 Integrated Bridge Systems (IBS) and Dynamic Positioning (DP-2 / DP-3) installations worldwide. Our factory-trained marine electronics and automation specialists service multi-function displays (MFDs), Chartradar, Trackpilot autopilots, ECDIS-900 / Platinum ECDIS, NACOS Power Management Systems (PMS), and DP thruster controllers. Operating across major offshore and commercial shipping hubs—including Singapore, Rotterdam, Dubai, Houston, and Busan—we ensure full compliance with IMO Res. MSC.252(83), IEC 61162-450 digital network protocols, IMO MSC.1/Circ.1580 DP guidelines, and IACS UR E26/E27 maritime cyber security mandates.

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Propulsion & Machinery 12 min read

Wärtsilä Lips CPP Propeller, Shaft Line & Hydrodynamic Propulsion Service

MarineListing delivers 24/7 Class-certified engineering support, drydock overhauls, in-situ underwater seal renewals, and genuine spare parts supply for Wärtsilä Lips Controllable Pitch Propeller (CPP) systems, shaft lines, and steerable hydrodynamic thrusters worldwide. Specializing in high-thrust commercial and naval installations (Lips 4-blade/5-blade hubs, CP-Hub types, and Lips Propulsion Plus packages), our factory-trained propulsion specialists execute complete 5-year drydock overhauls. Every intervention strictly adheres to IACS Class rules (UR M68) and maker tolerances, encompassing blade carrier O-ring replacement, crank pin ring and slide block clearance gauging, hydraulic Oil Distribution (OD) box rebuilds, Airguard stern tube seal bonding, and strain gauge jack-up shaft alignment surveys across Singapore, Rotterdam, Dubai, Busan, Houston, and international shipyards.

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Propulsion & Machinery 14 min read

Wärtsilä Dual-Fuel Engine Overhaul & Common Rail Injection Service

MarineListing delivers 24/7 Class-approved major overhauls, cryogenic fuel gas system servicing, in-situ precision machining, and genuine spare parts supply for Wärtsilä medium-speed dual-fuel and diesel engines worldwide. Specializing in the benchmark-efficiency Wärtsilä 31DF, 34DF, 46F, and 50DF platforms, our factory-certified marine diesel riding squads and automation engineers execute complete 12,000-hour intermediate and 24,000-hour Continuous Machinery Survey (CMS) overhauls. Every service intervention strictly enforces IACS Class rules, IGF Code mandates (IMO Res. MSC.391(95)), and MARPOL Annex VI Tier III NOx limits—covering electro-hydraulic Gas Admission Valve (GAV) stroke calibration, Gas Valve Unit (GVU) leak-rate testing, high-pressure common rail injector pop testing, in-situ diamond cylinder liner honing, laser crankshaft deflection alignment, and UNIC C3/C5 automation controller diagnostics across Singapore, Rotterdam, Fujairah, Houston, Busan, and international bunkering hubs.

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Environmental Compliance 11 min read

Wärtsilä Aquarius BWMS & Marine SOx Scrubber Environmental Service

MarineListing delivers 24/7 Class-approved commissioning, calibration, emergency troubleshooting, and genuine spare parts supply for Wärtsilä Aquarius Ballast Water Management Systems (Aquarius EC & Aquarius UV) and Wärtsilä Exhaust Gas Cleaning Scrubbers worldwide. Our factory-trained marine environmental service engineers service electrolytic chlorination cells, TRO (Total Residual Oxidant) sensors, UV lamp ballasts, SOx absorption columns, CEMS NDIR gas analyzers ($\text{SO}_2/\text{CO}_2$ ratio), and washwater monitoring packages (PAH, Turbidity, pH). Operating across major bunkering hubs and global ports—including Singapore, Rotterdam, Fujairah, Houston, and Busan—we ensure full statutory compliance with the IMO BWM Convention (Reg D-2), USCG Title 46 CFR 162.060, MARPOL Annex VI Reg 14, and IMO Resolution MEPC.340(77).

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Safety & LSA/FFA 12 min read

VIKING Marine Safety, Liferaft & Evacuation System Service

MarineListing delivers 24/7 Class-approved and Flag State-authorized annual servicing, dynamic deployment testing, hydrostatic release renewal, and genuine equipment supply for VIKING Life-Saving Equipment (LSA) and Marine Evacuation Systems (MES) worldwide. As an authorized service provider operating under IMO Resolution MSC.402(96) and SOLAS Chapter III mandates, our factory-certified safety technicians service throw-overboard and davit-launched liferafts (6 to 150-person), VIKING LifeCraft systems, MES evacuation chutes, VIKING Norsafe fast rescue boats, and immersion suits. With certified Class-approved service stations across Singapore, Rotterdam, Dubai, Houston, Busan, and major global ports, we execute full NAP (Necessary Additional Pressure), floor seam, and gas cylinder hydrostatic testing to guarantee immediate Class sign-off and zero PSC detentions.

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Bridge & NavCom 11 min read

Yokogawa CMZ700 & CMZ500 Gyrocompass Overhaul, Spares & CMZ900 Retrofit Service

MarineListing delivers 24/7 Class-certified annual performance testing (APT), sphere element overhauls, genuine supporting fluid replenishment, and turnkey CMZ900 retrofit modernization for legacy Yokogawa (YDK Technologies) CMZ700, CMZ500, CMZ300, and CMZ100 marine master gyrocompasses across all major shipping hubs. Recognizing maker end-of-life (EOL) component obsolescence, our factory-trained marine navigation engineers maintain dedicated regional stock of legacy supporting fluids, insulator rings, mercury bottles, and gasket sets across UAE ports (Dubai, Sharjah, Fujairah, Jebel Ali, Mina Saqr) and global hubs. For aging units facing unrepairable inverter failures or obsolete spheres, we provide complete, Class-approved CMZ500/CMZ700 to CMZ900 hot-swap retrofit packages with zero hot-work, pre-engineered mechanical mounting adapter plates, and seamless NMEA 0183/Synchro interface integration within 12 to 24 hours of port turnaround.

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Environmental Compliance 11 min read

Yara Marine SOx Scrubber & SCR NOx Reduction Servicing, CEMS & Washwater Compliance

MarineListing delivers 24/7 Class-approved maintenance, washwater monitoring recalibration, and catalyst refurbishment for Yara Marine Technologies Exhaust Gas Cleaning Systems (EGCS / SOx Scrubbers) and Selective Catalytic Reduction (SCR / NOx) units across worldwide maritime corridors. Supporting commercial container vessels, bulk carriers, crude oil tankers, and passenger cruise ships, our certified marine environmental and emissions engineers ensure strict statutory compliance with MARPOL Annex VI Regulations 13 & 14 and IMO Resolution MEPC.340(77). We provide comprehensive port and voyage attendance covering SMO 254 and grade 2 titanium wash tower structural NDT, spray nozzle descaling, Continuous Emission Monitoring System (CEMS $\text{SO}_2/\text{CO}_2$ optical bench) calibration, washwater multi-parameter sensor validation (PAH, turbidity, pH), and SCR ceramic honeycomb catalyst block renewal across Singapore, Rotterdam, Fujairah, Houston, and Busan.

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