ClassNK GF (Gas-Fuelled) Notation

ClassNK notation for ships using gas as primary fuel - certifies IGF Code compliance + additional GF-specific requirements.

ClassClassNKGas fuel

Loading calculator…

This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{GF} = \forall(\text{IGF, DF engine, Tank, Bunker})

Symbol	Meaning	Unit
$IGF$	International Code of Safety for Ships using Gases or other Low-flashpoint Fuels

Source: IMO IGF Code MSC.391(95); ClassNK Part H

ClassNK notation for ships using gas as primary fuel - certifies IGF Code compliance + additional GF-specific requirements.