Formula
$$ \text{EEDI}_\text{required}^\text{ice} = f_j \cdot \text{Reference} \cdot (1 - Z) $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $f_j$ | Ice-class correction multiplier | - | MEPC.231(65) |
| $Reference$ | EEDI reference line | g CO₂ / (t·nm) | reference-line calc |
| $Z$ | Phase reduction factor | fraction | MEPC.328(76) |
Indicative $f_j$ (tanker)
| Finnish-Swedish class | Polar Class | $f_j$ |
|---|---|---|
| none | - | 1.000 |
| IC | PC 7 | 1.070 |
| IB | PC 6 | 1.120 |
| IA | PC 5 | 1.200 |
| IA Super | PC 4 | 1.310 |
Sources
- IMO MEPC.203(62) / MEPC.231(65) / MEPC.328(76).