Aggregate per-port laytime used across multiple calls under reversibility.
Formula
$$ \text{Net} = \sum_i \text{Used}_i - \text{Total Allowed} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\text{Used}_i$ | Hours used at port i | h | SoF per port |
| $\text{Total Allowed}$ | Pooled allowance across all ports | h | Charter party |
Sources
- BIMCO LAYTIMEDEFS 2013.