What are the requirements of Thermal protective suit (TPA) as per SOLAS?


Thermal protective aid is a bag or suit made of waterproof material with low thermal conductance.


Internationally orange in colour, highly visible.6

A thermal protective aid shall be made of waterproof material having a thermal conductance of not more than 7800 W/(m2.K) and shall be so constructed that, when used to enclose a person, it shall reduce both the convective and evaporative heat loss from the wearer’s body.

The thermal protective aid shall:

  1. cover the whole body of persons of all sizes wearing a lifejacket with the exception ofthe face. Hands shall also be covered unless permanently attached gloves are provided;
  2. be capable of being unpacked and easily donned without assistance in a survival craftor rescue boat;
  3. permit the wearer to remove it in the water in not more than 2 min, if it impairs abilityto swim.
  4. The thermal protective aid shall function properly throughout an air temperature range -30°C to +20°C.