HomeCalculatorsFSICR - Ice Class Ice Thickness Limits

FSICR - Ice Class Ice Thickness Limits

Design ice thickness per Finnish-Swedish Ice Class Rules (IA Super, IA, IB, IC) - the values used for ice-load calculation.

FSICRIce classFinnish-Swedish
Design ice thickness
0.80m
Bow-region design thickness
0.88m
Formula, assumptions, and limits

FSICR values: IAS 1.0 m, IA 0.8 m, IB 0.6 m, IC 0.4 m. Bow region uses 1.1× factor. Basis for ice pressure p_ice and shell-plating thickness.

Symbol legend

SymbolMeaningUnitSource
FSICR design ice thicknessmTraficom regulations