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Inhenyerong Mangyan Inhenyero×Marino

31/07/2026

I got over 120 reactions on one of my posts last week! Thanks everyone for your support! 🎉

⚓ SOLAS EMERGENCY FIRE PUMP REQUIREMENTS EVERY ETO MUST KNOW🔥The Emergency Fire Pump is one of the most critical emergen...
28/07/2026

⚓ SOLAS EMERGENCY FIRE PUMP REQUIREMENTS EVERY ETO MUST KNOW🔥

The Emergency Fire Pump is one of the most critical emergency systems onboard, designed to provide a reliable water supply for firefighting even if the main machinery space becomes unusable due to fire. Under SOLAS Chapter II-2, every ETO should understand its electrical power arrangements, starting systems, alarms, and operational requirements to ensure the system is always ready when needed.

✅ Independently driven emergency fire pump for passenger ships ≥ 1,000 GT and cargo ships ≥ 2,000 GT.
✅ Supplies at least two water jets simultaneously.
✅ Minimum capacity of 25 m³/h and at least 40% of the total capacity of the main fire pumps.
✅ Minimum discharge pressure of 2.7 bar (ships ≥ 6,000 GT) or 2.5 bar (smaller vessels).
✅ Total suction head must not exceed 4.5 metres.
✅ Installed outside the main machinery space to remain operational during an engine room fire.
✅ Driven by an independent diesel engine or an electric motor supplied by the emergency generator.
✅ Diesel engine must be capable of 6 starts within 30 minutes (at least 2 starts within the first 10 minutes) at temperatures down to 0°C.
✅ Fuel supply must support at least 18 hours of continuous operation.
✅ Sea chest, valves, and discharge piping must be arranged to ensure the pump remains functional during an emergency.

A properly maintained emergency fire pump can make the difference between controlling a fire and losing the vessel. As an ETO, understanding its electrical controls, emergency power supply, starting arrangements, and periodic testing is essential for maintaining SOLAS compliance and ensuring the safety of the ship and everyone onboard.

📚 This is part of my SOLAS infographic series for ETOs. Follow the page and stay tuned as I'll continue sharing SOLAS requirements, regulations, and practical knowledge that every Electro-Technical Officer should know.

21/07/2026

I got over 150 reactions on my posts last week! Thanks everyone for your support! 🎉

⚓ Good day to my fellow ETOs and aspiring ETO Cadets!Being an ETO Cadet onboard is not only about electrical work. Helpi...
17/07/2026

⚓ Good day to my fellow ETOs and aspiring ETO Cadets!

Being an ETO Cadet onboard is not only about electrical work. Helping with other shipboard tasks can also teach valuable lessons about teamwork, discipline, safety, and how the vessel operates.

Today, I would like to share the experience of an ETO Cadet who has been onboard a bulk carrier for almost four months and is seeking advice from fellow ETOs and experienced seafarers.

📩 Please take time to read the message below:

Good day Sir Inhenyenrong Mangyan. Please hide my identity po.

May tanong lang po ako sa inyo. Mag-aapat na buwan na po akong ETO Cadet sa isang bulk carrier. Normal po ba na sinasama ang ETO Cadet sa scavenging at paglilinis ng bodega? Minsan din po ay pinag-gangway duty ako.

Maraming salamat po, Sir. God bless you more.

To all fellow ETOs and experienced seafarers, please share your advice based on your own onboard experience.

There is nothing wrong with helping other crew members and performing different shipboard tasks. In fact, cadets can learn a lot from these experiences. However, it is also important to maintain a proper balance and prioritize electrical-related duties and the requirements in the Training Record Book (TRB), as these are essential to the cadet's development and future career as an ETO.

To all aspiring ETO Cadets, be willing to help, learn from every task, and maintain a positive attitude. At the same time, always seek opportunities to learn and gain practical experience in electrical work.

Every task can teach you something, but always remember the main purpose of your cadetship: to learn and become a competent ETO.⚓🚢⚡

⚓ Good day to my fellow ETOs and aspiring ETO Cadets!Being an ETO Cadet onboard for the first time can be both exciting ...
16/07/2026

⚓ Good day to my fellow ETOs and aspiring ETO Cadets!

Being an ETO Cadet onboard for the first time can be both exciting and overwhelming. Aside from adjusting to the shipboard environment and daily responsibilities, one of the most important parts of a cadet's journey is receiving proper guidance, mentorship, and opportunities to learn.

Every cadet has a different experience onboard. Some are fortunate to have senior officers who patiently teach and guide them, while others may face challenges in getting the hands-on experience they need to develop their skills.

Today, I would like to share the experience of an ETO Cadet who is currently onboard a VLCC tanker vessel. This cadet is seeking advice and guidance from fellow ETOs and experienced seafarers regarding the challenges being faced onboard.

📩 Please take time to read the message below:

Good day, Lecky. Please hide my identity.

Gusto ko lang po sanang i-share sa inyo ang experience ko ngayon bilang isang ETO Cadet sa isang VLCC tanker vessel. Unang sampa ko pa lang po ito, kaya inaamin ko na medyo na-overwhelm ako sa mga gawain at sa environment dito sa barko.

Ang concern ko po ay hindi ako masyadong nakaka-focus sa electrical works dahil ayaw po akong isama at turuan ng ETO ko. Sa tuwing may gagawin siyang trabaho, madalas ay inuutusan niya akong maglinis o kaya naman ay sinasabihan akong magtanong kay 2/E kung may ipapagawa sa akin.

Medyo nahihirapan na po ako dahil limang buwan na ako onboard, pero pakiramdam ko ay kakaunti pa rin ang natututunan ko tungkol sa electrical work. Gusto ko po talagang matuto at maging isang mahusay na ETO, pero hindi ko po alam kung paano ko haharapin ang ganitong sitwasyon.

Baka po may maipapayo kayo sa akin, Lecky. Maraming salamat po, at God bless po.

To all my fellow ETOs and experienced seafarers, please share your advice in the comment section based on your own onboard experience. Your guidance, practical tips, and words of encouragement may greatly help this ETO Cadet and other aspiring ETOs who may be experiencing similar challenges onboard.

Sometimes, a simple explanation, proper guidance, and the opportunity to be included in electrical work can make a huge difference in a cadet's learning journey. Remember, every experienced ETO was once a cadet who needed someone to teach, guide, and give them an opportunity to learn.

To all aspiring ETO Cadets, continue to ask questions, show your willingness to learn, and make the most of every opportunity to gain knowledge. Stay patient, remain professional, and continue improving yourself every day.

I hope this post encourages fellow ETOs to share their knowledge and help guide the next generation of Electro-Technical Officers.

God bless, stay safe onboard, and fair winds to all! ⚓🚢⚡

⚓ Good day to my fellow ETOs and aspiring ETO Cadets!Preparing for your first contract can be both exciting and overwhel...
16/07/2026

⚓ Good day to my fellow ETOs and aspiring ETO Cadets!

Preparing for your first contract can be both exciting and overwhelming. To help you get ready, I've created this Essential Packing Guide for Aspiring ETO Cadets based on practical onboard experience and the common necessities every cadet should bring before joining a vessel.

This guide covers the most important documents, essential tools, appropriate clothing, and personal items that can make your transition onboard much smoother. Being well-prepared not only saves you from unnecessary stress but also allows you to focus on learning and performing your duties from day one.

Remember, preparation is part of professionalism. Pack smart, double-check your documents, and always be ready for unexpected situations. Every successful Electro-Technical Officer started as a cadet who was eager to learn, willing to adapt, and prepared for the challenges ahead.

To all fellow ETOs, feel free to share in the comments the other packing essentials that you believe every ETO Cadet should bring based on your own onboard experience. Your advice and practical tips can greatly help our future ETOs prepare for life at sea.

I hope this guide helps you as you begin your maritime journey. Wishing all aspiring ETO Cadets a safe embarkation, successful training, and a bright future at sea.

God bless, and fair winds! ⚓🚢⚡

⚓ TO ALL ASPIRING ETO CADETS AND FUTURE SEAFARERSThe recent loss of a fellow ETO cadet has deeply saddened the maritime ...
12/07/2026

⚓ TO ALL ASPIRING ETO CADETS AND FUTURE SEAFARERS

The recent loss of a fellow ETO cadet has deeply saddened the maritime community. While the circumstances remain under official investigation, this tragedy reminds us of something we should never ignore—mental health, kindness, and mentorship matter.

Being an ETO cadet is never easy. You will face long hours, unfamiliar equipment, pressure to perform, homesickness, and moments when you'll question yourself. But remember this:

Asking for help is never a sign of weakness—it is a sign of professionalism and courage.

To every future ETO:
⚡ Keep learning, even when mistakes happen.
⚡ Never be afraid to ask questions.
⚡ Support your fellow cadets instead of competing against them.
⚡ If you're struggling mentally or emotionally, speak to someone you trust—your family, friends, senior officers, or your company. Your life is always more important than any contract.

To every senior ETO, officer, and mentor:
The knowledge you share today may save a life tomorrow. A cadet doesn't need perfection—they need guidance, patience, and encouragement. The best leaders are remembered not only for their skills, but for the people they helped become better professionals.

Let's build a maritime industry where respect is stronger than intimidation, where teaching replaces humiliation, and where every cadet has the opportunity to grow safely.

May this tragedy inspire all of us to become better mentors, better shipmates, and better human beings.

Be the senior you once wished you had.

Rest in peace, fellow seafarer. May your memory remind us that kindness can change—and even save—a life.

⚓ SOLAS STEERING GEAR REQUIREMENTS EVERY ETO MUST KNOW⚡Understanding the requirements for the Steering Gear System under...
11/07/2026

⚓ SOLAS STEERING GEAR REQUIREMENTS EVERY ETO MUST KNOW⚡

Understanding the requirements for the Steering Gear System under SOLAS Chapter II-1, Regulation 29 is essential for every Electro-Technical Officer (ETO). The steering gear is one of the ship's most critical safety systems, ensuring that the vessel remains maneuverable under both normal and emergency conditions.

✅ Main steering gear: 35° to 30° in ≤ 28 seconds at maximum service speed.
✅ Auxiliary steering gear: 15° to 15° in ≤ 60 seconds at 7 knots.
✅ Dual independent bridge control systems.
✅ Steering capability restored within 45 seconds after a control system failure.
✅ Automatic emergency power supply for large rudder stocks within 45 seconds.
✅ Mandatory rudder angle indicators, power failure alarms, and hydraulic low-level oil alarms.
✅ Steering gear testing within 12 hours before departure and emergency steering drills every 3 months

A reliable steering gear system is essential for safe navigation, collision avoidance, and emergency response. As an ETO, understanding its electrical controls, alarms, power supply arrangements, and testing requirements is crucial for ensuring SOLAS compliance and maintaining operational readiness onboard.

📚 This is part of my SOLAS infographic series for ETOs. Follow the page and stay tuned as I'll continue sharing SOLAS requirements, regulations, and practical knowledge that every Electro-Technical Officer should know.

⚓ Happy Day of the Seafarer! ⚓Today, we honor the men and women who keep global trade moving and connect the world throu...
25/06/2026

⚓ Happy Day of the Seafarer! ⚓

Today, we honor the men and women who keep global trade moving and connect the world through their dedication, skill, and sacrifice.

Whether navigating rough seas, maintaining critical ship systems, or spending months away from their families, seafarers play an essential role in our daily lives—often without recognition.

To all Deck Officers, Marine Engineers, Electro-Technical Officers (ETOs), Ratings, and maritime professionals around the world:

🌊 Thank you for your hard work.
⚓ Thank you for your commitment.
🌍 Thank you for keeping the world moving.

Wishing all seafarers fair winds, following seas, safe voyages, and a successful career at sea.

Happy Day of the Seafarer 2026!

⚓ SOLAS REQUIREMENTS EVERY ETO MUST KNOW ⚡Understanding the requirements for the Emergency Generator under SOLAS Chapter...
25/06/2026

⚓ SOLAS REQUIREMENTS EVERY ETO MUST KNOW ⚡

Understanding the requirements for the Emergency Generator under SOLAS Chapter II-1, Part D is essential for every Electro-Technical Officer (ETO). During a main power failure, the emergency generator becomes one of the ship's most critical safety systems, ensuring that essential services remain operational when they are needed most.

✅ Automatic Start Within 45 Seconds
✅ Independent Starting Systems
✅ Emergency Switchboard Independence
✅ Minimum Operating Duration Requirements
✅ Fuel System & Location Compliance
✅ Continuous Power to Essential Safety Services

From emergency lighting and navigation lights to fire detection systems, steering gear, and GMDSS equipment, the emergency generator plays a vital role in maintaining vessel safety, communication, and emergency preparedness.

Knowledge of these requirements is not only important for examinations and certifications but also for real-world shipboard operations and SOLAS compliance.

📚 This is part of my SOLAS infographic series for ETOs. Follow the page and stay tuned as I'll be posting more SOLAS requirements, regulations, and practical knowledge that every ETO should know.

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