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EEDI Phase Factor

Look up the EEDI phase reduction factor Z for any ship type, capacity, and phase per MEPC.328(76) Table 1.

IMODesignMEPC.328(76)
Reduction factor Z
30%
Phase 3 value depends on ship type AND size band.
Phase factor table (illustrative)

MEPC.328(76) Table 1 sets phase factors per ship type AND size band. Values embedded here are the headline rows - consult the consolidated text for exact per-band figures before regulatory filings.

PhaseWindowTypical Z
02013–20140 %
12015–2019~10 %
22020–202420–30 %
3contracted ≥ 1 Apr 20225–50 % (by type + size)