B12 Vessel Operations
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1 Loading
The loading of a cargo onto a vessel (not from another vessel).
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2 Discharging
The discharging (unloading) of a vessel- not onto another vessel.
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3 At anchor
The vessel was floating in a particular place and was prevented from moving by its anchor.
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4 Ballasting
The vessel was conducting ballasting operations (adding temporary material to provide the desired draught and stability).
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5 Bunkering
The vessel was conducting bunkering operations (getting supplied with fuel).
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6 De-ballasting
The vessel was conducting de-ballasting operations (removing temporary material that had provided the desired draught and stability).
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7 Idle
The vessel is idle (inactive).
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8 Drydock
The vessel is located in a drydock.
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9 In transit
The vessel is travelling from one location to another.
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10 Repairs afloat
The vessel is having repairs completed whilst afloat (this can be at sea or whilst in dock).
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11 River transit
The vessel is travelling on a river.
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12 STS discharging
The unloading of cargoes from the vessel onto another vessel (a ship to ship transfer).
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13 STS loading
The loading of cargoes from another vessel onto the vessel (a ship to ship transfer).
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14 At sea
The vessel is conducting an operation at sea.
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15 Cooling down
Reducing the temperature of the tanks on the vessel.
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16 De-slopping
Removal of oil and grease waste produced from the constant use of a vessel.
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17 Gassing up
The chemical treatment of vessel tanks using gas to remove carbon dioxide and complete the drying of tanks.
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18 Being towed
The vessel is being towed by another entity (not using the vessels own power).
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19 Alongside shore facility
The vessel is at a facility alongside the shore.
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20 Dredging
The vessel is being used to dredge a sea or river bed (clear the bed of mud weed and rubbish with a dredge).
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21 Fire fighting
The vessel is responding to a fire (to provide aid).
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22 Fishing/ trawling
The vessel is being used to capture fish.
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23 In attendance or assisting
The vessel is assisting or aiding another entity.
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24 Manoeuvring with assistance
The vessel is manoeuvring with the assistance of another entity (often a tug).
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25 Manoeuvring without assistance
The vessel is manoeuvring without the assistance of another entity (using its own onboard facilities).
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26 On station
The vessel is on a station (in an idle state).
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27 On voyage
The vessel is on a voyage.
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28 Being pushed
The vessel is being pushed by another entity (moving with the propulsion coming externally from the vessel).
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29 Towing
The vessel is towing (pulling) another vessel.
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30 Diving
The vessel is being used to enable divers to complete activities.
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31 Cargo transportation
The vessel is being used to transport cargo from one location to another.
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32 Undefined
The vessels operation is unknown or does not match any of the previous descriptions.