Heavy-Lift / Project Cargo Ship CII

CII for heavy-lift ships (HLV) - specialised project-cargo carriers for wind turbines, refinery modules, mobile rigs. MEPC classifies them under general_cargo - tight CII targets for a trade that needs frequent full-power manoeuvring.

Ship typeHeavy lift

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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{CII}_\text{required} = 31948 \cdot \text{DWT}^{-0.793} \cdot (1 - Z)

Symbol	Meaning	Unit
$DWT$	Deadweight	t
$Z$	Annual reduction	fraction

Source: IMO MEPC.337/338/339(76)

In short

CII for heavy-lift project-cargo carriers using the MEPC.337 general-cargo reference line.

Learn the theory Specialised Ship Types: Ro-ro, Reefer, Heavy-Lift