Smart Mariner Edition

IMMERSION SUIT

Oral-Ship Construction, Stability, Ship Safety and Environment Protection (FUNCTION –3)

The following questions came from WhatsApp group where candidates posts the question right after they had finished their oral exam.
  • It should be unpacked and donned without assistance within 2 min along with a lifejacket.
  • It should cover the entire body except for the face.
  • It should have arrangements to minimize or reduce the free air in the leg.
  • It should allow you to jump from a height of not less than 4.5 meters.
  • Shall allow the wearer to climb up and down a vertical ladder of min 5 meters.
  • Shall allow the wearer to perform normal duties during abandonment.
  • Shall allow the wearer to swim and board a Lifeboat.

 

  • If the suit does not have insulation, then it should be marked
  • If the suit does not have insulation, body temperature should not fall more than 2° on immersion of 1hr in the water of 5°
  • If the suit has insulation, body temperature should not fall more than 2° on immersion of 6 hours in water of 0 to 2°
  • Check closures on the storage bag as well as the general condition of the bag for ease of removal of the suit. Ensure donning instructions are legible. Confirm that the suit is the type and size identified on the bag.
  • Lay the suit on a clean, flat surface. Make sure the suit is dry inside and out. Visually check for damage. Rips, tears, or punctures.
  • Check all zippers for smooth operation. Using the lubricant recommended by the manufacturer, lubricate the front and back of the zipper and the slide fastener.
  • If fitted, check the inflatable head support and/or buoyancy ring for damage and ensure that it is properly attached.
  • Check retro-reflective tape for condition and adhesion. Replace if necessary.
  • If fitted, check the whistle and expiration date of the light and battery.
  • Stow with the zippers fully open.
  • Every 2.5 years by the ship’s crew, for immersion suits of less than 10 years of age.
  • Every 1 year by ship’s crew, for immersion suits of over 10 years of age.
  • Every 5 years by shore-based facility, irrespective of age.
  • Suits older than 20 years should be decommissioned.

Immersion Suit

TPA

It is a protective suit that reduces the loss of heat of a person wearing it in cold water.

It reduces both convective and evaporative heat loss from the wearer’s body.

Made of non-flammable & waterproof material.

Made of waterproof material.

Allow swimming & climbing up on the ladder.

Can’t swim or climb wearing it.

Can be buoyant & used as a lifejacket.                             

It’s not buoyant.

-30°C to +20°C