# Vessel
The Vessel section will display some useful information about the vessel that is currently connected to the voyage. You can click on the  icon to open up the vessel drawer if you seek more information on the vessel.
The information fields for the vessel displayed in the section.
Speed Laden: Showing the speed for laden port calls if all port calls have the same speed. If port calls has different speeds this field will be disabled and the text will be: Multiple. Changing this value will update speed for all laden port calls.
Speed Ballast: Showing the speed for ballast port calls if all port calls have the same speed. If port calls has different speeds this field will be disabled and the text will be: Multiple. Changing this value will update speed for all ballast port calls.
Changing vessel in this section will change the voyage's and the connected cargoes' company and business unit to the selected vessel's.
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.dataloy.com/release-6.41/voyage-management-system/step-by-step-guides/voyages/maintain-voyages/overview-tab/vessel.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.