HomeCalculatorsDamage Stability - Multi-Draft A

Damage Stability - Multi-Draft A

Multi-draft attained A index (ds / dp / dl) per SOLAS II-1 Reg. 6 - weighted 0.4 / 0.4 / 0.2.

SubdivisionMulti-draftSOLAS
Attained A
0.7640 -
Formula, assumptions, and limits

Three drafts: deepest subdivision (d_s), partial (d_p = subdivision + 60 % of design - subdivision), lightest service (d_l). Each A_i sums Σ(p·s·v) over damage cases at that draft.

Symbol legend

SymbolMeaningUnitSource
A at deepest draft - SOLAS II-1 Reg. 6.2.1.1