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Chief Engineer's Log
"Decarbonization & Technical Insights for Maritime Leaders"
  • The Mystery of the Rising Cooling Water Temperature: A Marine Engineer’s Guide
    Auxiliary machineries | Case Studies | Heaters and Coolers | Maintenance & PMS | Planned Maintenance & Reliability | Pumps | Risk & Emergency Management | Training & Mentoring | Troubleshooting

    The Mystery of the Rising Cooling Water Temperature: A Marine Engineer’s Guide

    Bychiefengineerslog 14 April 202614 April 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited There are engine room problems that announce themselves with the violence of an alarm, the mess of a leak, or the vibration of a failing bearing. Then there are the dangerous ones. The quiet ones. A slow, unexplained cooling water temperature rise is the ultimate “quiet” problem….

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  • When the Chief Engineer Leaves the Ship
    Engine Room Management | General | Training & Mentoring | Watchkeeping & Resource Management

    When the Chief Engineer Leaves the Ship

    Bychiefengineerslog 8 April 20268 April 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited There is a moment on every ship that does not look dramatic from the outside. No alarm sounds. No machinery fails. No one on deck notices a thing. And yet, inside the engine department, the atmosphere has fundamentally shifted. The Chief Engineer has left the ship. Whether…

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  • Auxiliary Engine Failure During Maneuvering: The Ultimate Test of Judgment
    Auxiliary engines | Electrical and Automation | Engine Room Management | Maintenance & PMS | Planned Maintenance & Reliability | Risk & Emergency Management | Safety and Emergency Systems | Training & Mentoring | Troubleshooting | Watchkeeping & Resource Management

    Auxiliary Engine Failure During Maneuvering: The Ultimate Test of Judgment

    Bychiefengineerslog 1 April 202630 March 2026

    An auxiliary engine failure during maneuvering is one of the most stressful events an engine room team can face. This article explains why it happens, what it risks, and how experienced marine engineers protect ship control when power becomes critical.

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  • The One Valve Every Marine Engineer Respects
    Case Studies | Engine Room Management | General | Maintenance & PMS | Risk & Emergency Management | Training & Mentoring | Watchkeeping & Resource Management

    The One Valve Every Marine Engineer Respects

    Bychiefengineerslog 26 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited In a modern Engine Control Room (ECR), you are surrounded by the pinnacle of maritime technology. Large-format touchscreens, PLC status indicators, and VFD cooling fans create an environment of digital precision. But even in this luminous, high-tech world, there is always one physical component that commands a…

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  • The First Five Minutes After an Engine Room Alarm: What Experienced Engineers Do Differently
    Case Studies | Engine Room Management | General | Planned Maintenance & Reliability | Risk & Emergency Management | Training & Mentoring | Troubleshooting | Watchkeeping & Resource Management

    The First Five Minutes After an Engine Room Alarm: What Experienced Engineers Do Differently

    Bychiefengineerslog 23 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited Every marine engineer carries that sound in their subconscious. The sharp, repetitive pulse of a high-priority alarm cutting through the steady hum of the Engine Control Room (ECR). The flashing red light on the console. That split second where the world stops. It doesn’t matter if it’s…

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  • The Chief Engineer’s Logbook: Small Details, Big Saves
    Documentation & Compliance | Documentation Development | Engine Room Management | General | Maintenance & PMS | Planned Maintenance & Reliability | Playbook & Guides | Training & Mentoring | Watchkeeping & Resource Management

    The Chief Engineer’s Logbook: Small Details, Big Saves

    Bychiefengineerslog 19 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited In the engine room, disasters rarely begin with an explosion. They begin with a whisper. They start with a temperature that climbs two degrees above the normal. A vibration that feels “thicker” under your palm. A purifier discharge that looks slightly more turbulent than it did yesterday….

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  • The Loudest Sound at Sea: When the Engine Room Goes Silent
    Engine Room Management | General | Main engines | Maintenance & PMS | Planned Maintenance & Reliability | Predictive Maintenance | Risk & Emergency Management | Safety and Emergency Systems | Training & Mentoring | Troubleshooting | Vessel propulsion | Watchkeeping & Resource Management

    The Loudest Sound at Sea: When the Engine Room Goes Silent

    Bychiefengineerslog 16 March 202614 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited There is a rhythm every marine engineer carries in their bones. It’s the steady, 90-RPM heartbeat of the main engine. It isn’t “loud” in the way people imagine; after a few days at sea, it becomes a baseline—a constant vibration through your boots and a familiar pulse…

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  • The Silent Problem in Many Engine Rooms: Fatigue and Night Operations
    Compliance Toolkits | Engine Room Management | General | Risk & Emergency Management | Safety & Procedures | Training & Mentoring | Training Materials | Watchkeeping & Resource Management

    The Silent Problem in Many Engine Rooms: Fatigue and Night Operations

    Bychiefengineerslog 12 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited There is a moment every marine engineer knows by heart. It’s roughly 02:30 in the morning on a Canal transit. The engine room is quieter than usual. The steady, rpm vibration of the main engine becomes hypnotic. The watchkeeper stands before the console, staring at parameters that…

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  • How to Build a Second Engineer Who Can Take Over Without Fear
    Engine Room Management | General | Maintenance & PMS | Planned Maintenance & Reliability | Training & Mentoring | Watchkeeping & Resource Management

    How to Build a Second Engineer Who Can Take Over Without Fear

    Bychiefengineerslog 9 March 20269 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited Every Chief Engineer eventually faces the same moment. You’re on the bridge for a PSC inspection. You’re in the office deep in a technical report. Or, more likely, you’re dead asleep after a 12-hour maneuvering operation in a channel. Then, the pitch of the engine shifts. An…

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  • Between Steel and Spreadsheets: The Real Job of a Chief Engineer
    Documentation & Compliance | Engine Room Management | General | Planned Maintenance & Reliability | Training & Mentoring | Watchkeeping & Resource Management

    Between Steel and Spreadsheets: The Real Job of a Chief Engineer

    Bychiefengineerslog 5 March 2026

    By Daniel G. Teleoaca — Chief Engineer Unlimited There is a moment in every contract when you feel it. It’s not an alarm. It’s not a mechanical breakdown. It’s pressure. An email asking why fuel consumption increased by 1.8%. A reminder to reduce cylinder oil feed rates “as per the latest fleet target.” A request…

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    • Home
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      • Troubleshooting
      • Maintenance & PMS
        • Auxiliary engines
        • Auxiliary machineries
          • Boilers
          • Purifiers
          • Filtering equipment
        • Bridge Equipment
        • Deck equipment
        • Electrical and Automation
        • Fuel injection system
        • Marine fuels and Bunkering
          • Bunkering
          • Marine Fuels
        • Vessel propulsion
          • Main engines
            • Cylinder Unit
            • Scavenging and Turbocharging
          • Propeller
          • Thrusters
        • Water treatment
          • Boiler’s water treatment
          • Cooling water treatment
      • Safety & Procedures
      • Engine Room Management
        • Watchkeeping & Resource Management
        • Planned Maintenance & Reliability
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        • Energy & Efficiency Management
        • Risk & Emergency Management
        • Training & Mentoring
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      • AI in Ship Operations
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      • Digital Twins
      • Predictive Maintenance
      • Smart Ship Case Studies
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      • CII Practical Guide
      • EEXI Implementation
      • Energy Efficiency Measures
      • EU ETS for Shipping
      • SEEMP Part III
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      • Calculators (CII, Fuel, Emissions)
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      • Templates & Checklists
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