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25, July, 2025
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Life Jackets: Essential Safety for Navigation in Brazilian and International Waters

EUROSUL, a leading provider of solutions for the maritime market, emphasizes the importance of lifejackets as essential equipment for safety at sea. In this article, we present the different classes of lifejackets, including Class V, their mandatory use in Brazilian and international waters, guidelines for use on leisure and professional vessels, and information on replacement, mandatory accessories, and the importance of using the correct model.

By EUROSUL

Why Life Jackets Matter

Life jackets are a crucial part of any vessel’s safety system. Whether on a leisure boat or a commercial ship, they serve as personal flotation devices (PFDs) designed to keep individuals afloat and improve survival in emergencies. Their effectiveness depends on correct usage, proper sizing, and routine maintenance.


Life Jacket Classifications

Life jackets are classified based on their buoyancy level and intended use, according to international SOLAS standards and Brazilian regulations such as NORMAM-05/DPC.

1. Class I – SOLAS Life Jackets

  • Designed for open-sea navigation and harsh conditions
  • Provide high buoyancy and automatically turn an unconscious person face-up
  • Mandatory for cargo ships, passenger vessels and offshore and industrial fishing operations in international waters

2. Class II – Offshore and Coastal Life Jackets

  • Suitable for offshore and coastal areas
  • Provide excellent flotation and stability and can be used both professional and recreations contexts

3. Class III – Recreational Life Jackets

  • For calm waters and recreational use (e.g. fishing, water sports)
  • Do not guarantee automatic rotation, ideal for swimmers

4. Class IV – Throwable Flotation Devices

  • Includes lifebuoys and other auxiliary support devices
  • Provide extra flotation in emergencies

5. Class V – Specialized Life Jackets

  • Designed for specific tasks or sports, such as jet skiing, rafting and platform maintenance
  • Often feature custom designs with added gear supports
  • May not offer full automatic rotation, but provide freedom of movement

Usage Requirements: Brazil and International Standards

In Brazilian Waters (NORMAM-05/DPC):

  • Leisure vessels: Must carry life jackets for all passengers, adjusted to boat capacity and navigation zone (inland, coastal, or ocean).
  • Commercial vessels: Must use SOLAS Class I jackets for:
    • Merchant ships
    • Offshore platforms
    • Tugs and support vessels

In internation water (SOLAS):

  • All vessels must carry IMO-certified life jackets
  • Life jackets must be:
    • Sized for adults and children
    • Marked for compliance with the LSA Code

Choosing the Right Jacket: Professional vs. Recreational Use

  • For water sports::
    • Class V models offer more flexibility and comfort for high-speed or high-impact activities.
  • For coastal or extended trips:
    • Class II provides strong flotation for increased safety in deeper waters
  • For commercial and offshore operations:
    • Class I jackets are essential, offering SOLAS-level protection.

When Should You Replace a Life Jacket?

When Should You Replace a Life Jacket?

  • When Should You Replace a Life Jacket?
  • Broken buckles, damaged zippers or straps
  • Deformed or weakened flotation foam

Expiration and Inspections:

  • SOLAS-certified jackets must be inspected regularly, as required by NORMAM-05/DPC
  • Replace any life jacket that:
    • Is past the manufacturer’s recommended life span
    • Fails inspection due to damage or loss of buoyancy

Mandatory Accessories for Certified Jackets

  • Whistle: For audible distress signals
  • Reflective tape: For visibility in low-light conditions
  • Safety light: Required on SOLAS life jackets for nighttime emergencies
  • Adjustable straps: Ensure secure and correct fit

Why Proper Selection Matters

Selecting the correct life jacket is essential for survival at sea. The right model should consider:

  • User’s size and weight
  • Type of activity (recreational, offshore, professional)
  • Water conditions (inland, coastal, open sea)
  • Proper certifications (IMO, SOLAS, DPC)

EUROSUL: Quality Life Jackets for Every Marine Operation

EUROSUL offers a full range of SOLAS-compliant life jackets, covering Classes I to V. All models are designed to meet strict international and national standards, ensuring safety and performance in every scenario.

For more information or custom solutions, contact us at +55 (41) 3668-1319 or email [email protected].

EUROSUL Ship Supplier – Your Trusted Partner in Marine Safety.


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