Attained subdivision index A from partial indices at three drafts - ds (deepest), dp (partial), dl (lightest) per SOLAS II-1 Reg. 6.
Formula
$$ A = 0.4 A_s + 0.4 A_p + 0.2 A_l $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $A_s$ | Attained at deepest subdivision draft | - | Reg. 6 calculation |
| $A_p$ | Attained at partial subdivision draft | - | Reg. 6 calculation |
| $A_l$ | Attained at lightest subdivision draft | - | Reg. 6 calculation |
Sources
- SOLAS II-1 Reg. 6.