Narragansett Bay Maritime Training

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🚢 🔊 SOUND SIGNALS – COLREG RULE 34

Stay Safe. Communicate Clearly. Navigate Confidently.

At sea, communication saves lives.
Understanding sound signals is essential for every mariner to avoid collisions and operate safely in all conditions.

⚓ WHAT YOU WILL LEARN

🔹 Manoeuvring signals (1, 2, 3 blasts)
🔹 Danger signal (5 short blasts)
🔹 Restricted visibility (fog signals)
🔹 Overtaking signals in narrow channels
🔹 Real-life application of COLREG Rule 34

🌊 WHY IT MATTERS

✔ Prevent collisions
✔ Improve situational awareness
✔ Essential for safe navigation
✔ Mandatory under COLREGS
✔ Protect vessel, crew & passengers

⚓

🌊⚓ ANCHORS DON’T HOLD SHIPS — FRICTION DOES

🚢 Most people think an anchor simply “locks” a ship in place.
Reality? The anchor alone is almost useless without what comes next.

⚙️ The real system has three parts working together:
👉 The anchor provides weight and digs into the seabed
👉 The chain adds length, angle, and drag — keeping tension low
👉 The seabed grip creates friction that actually resists movement

📊 Without proper scope (length of chain), even the heaviest anchor will drag. That’s why ships deploy multiple shackles of chain, sometimes hundreds of meters, just to stay steady.

🌍 In rough seas, holding power isn’t about size — it’s about geometry + friction + seabed type. Sand, clay, and mud behave very differently.

🧠 That’s the hidden engineering:
A 200,000-ton vessel isn’t “held” — it’s stabilized by physics.

⚡ One mistake in anchoring can lead to drifting, collisions, or groundings costing millions.

👉 It’s friction that stops giants.

⚖️🚢 SHIP SIZE: “IT’S NOT ABOUT LENGTH — IT’S ABOUT CAPACITY”

📊 Maritime measurements go beyond size. Gross tonnage defines total volume, net tonnage indicates usable cargo space, and deadweight measures carrying capacity.

⚓ These metrics determine efficiency, profitability, and operational limits of vessels across global fleets.

🌍 The bigger the capacity, the greater the influence in global trade.

🧩 In shipping,
capacity equals power.

Narragansett Bay Maritime Training will be having
USCG physical and drug test this Saturday , April 4th 9am till 2pm
If you need to renew your credentials, please text me to line up an appointment for this Saturday.
Cost
Physical 150.00
Drug test 100.00
401-406-9555