MEPC.337 roro-passenger reference line.
Formula
$$ \text{CII}_\text{required} = 7540 \cdot \text{GT}^{-0.587} \cdot (1 - Z) $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $GT$ | Gross tonnage | - | ITC-69 |
| $Z$ | Annual reduction | fraction | MEPC.338(76) |
Ro-Pax d-boundaries: d1=0.72, d2=0.90, d3=1.12, d4=1.41 - the widest bands of any ship type, reflecting schedule-constrained operations.
Sources
- IMO MEPC.337/338/339(76).
- Interferry - Ro-Pax decarbonisation study.