AIS - Carriage Class A vs B

AIS Class A vs Class B carriage requirement per SOLAS V Reg. 19 - driven by GT, area, and voyage type.

AISSOLAS VCarriage

Gross TonnageGTInternational voyage

AIS class: Class A - mandatory

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{Class A} \Leftrightarrow (GT \geq 300 \land \text{int'l}) \lor GT \geq 500

Symbol	Meaning	Unit
$GT$	Gross tonnage

Source: SOLAS V Reg. 19.2.4

In short

AIS Class A vs Class B carriage requirement per SOLAS V Reg.

Learn the theory Marine Bridge Equipment and Integrated Bridge Systems