Required subdivision index R for passenger ships per SOLAS II-1 Reg. 6.2 - based on N (lifeboat + extra persons).
Formula
$$ R = 1 - \frac{5000}{N + 2.5 N + 15225} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $N1$ | Persons in lifeboats | pax | muster plan |
| $N2$ | Persons above lifeboats (tier above) | pax | muster plan |
Sources
- SOLAS II-1 Reg. 6.2.