SEA CALCULATOR

ECA fuel changeover

Sulphur ECA changeover timing worksheet — Chief Engineer procedure governs.

System volume (m³)

Consumption (m³/h)

S old (% m/m)

S new fuel (% m/m)

S target at boundary (% m/m)

ETA at boundary (h)

Master margin (h)

Flush time ≈ 4.027 h

Start changeover at ≈ 14.973 h from now (14:58) — about 5.03 h before the boundary

Label for this result (optional)

Estimate only, from a standard published method. Check against your ship's data, the official publications and your company procedures.

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