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In response to China's updated ECA zone regulations, in effect as of October 1, 2018, Veson Nautical has released a new version of Distances for IMOS (see Distances Release Notes for September 28, 2018).

Setting Up New Fuel Zones in IMOS

To support compliance with the updated regulations, two new ECA zones are now available:

ECA - YANGTZE RIVER DELTA: The original zone defined by the Chinese government.
ECA - YANGTZE RIVER DELTA 1OCT18: A smaller zone, partially covering the area to support the regulation that requires burning LSF between NINGBO, ZHOUSHAN, ZHAPU, SONGXIA (ZHEJIANG), as well as all ports in the YANGTZE RIVER up to TAIZHOU ANCHORAGE.

To estimate bunker consumption in these areas:

On the Fuel Zones form, set up Propulsion at Sea, Consumption in Port, and Misc. Consumption for both zones.

Zone	Propulsion At Sea (Propulsion/Aux.	Consumption In Port (L/D/Idle)	Misc. Consumption (Heat/IGS/Etc.)
ECA - YANGTZE RIVER DELTA	HFO (cons rate only);LSF	HFO (cons rate only);LSF	HFO (cons rate only);LSF
ECA - YANGTZE RIVER DELTA 10OCT18	HFO (cons rate only);LSF	HFO (cons rate only);LSF	HFO (cons rate only);LSF

You can configure consumption in these areas according to the instructions you have received. For example, if you intend to use the ECA - YANGTZE RIVER DELTA zone only, then leave the row for ECA - YANGTZE RIVER DELTA 1OCT18 blank.

Name and then save your Fuel Zone configuration.
You can select it as the Fuel Zone Set for a Vessel, Vessel Type, Vessel Fleet, Voyage Estimate (on the Bunker Planning form), or voyage (on the Voyage Bunkers form).