Polar - Thermal Protective Aid
Polar Code thermal-protective aid (TPA) requirement - mandatory for lifeboat occupants + each person on survival craft.
TPA count
28 TPAs (1.1 × POB)
Formula, assumptions, and limits
Polar Code Part I-A Ch. 8 extends LSA to 5 days survival. Immersion suit for all plus TPA inside survival craft. Thermal-sealed rations + water.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Thermal Protective Aid | - | LSA Code |