# Voyage Functions

The VMS provides powerful voyage tools for risk assessment and estimations on cargo capacity on port calls.

These tools are available from **Voyages** or **Planning -> Fleet Plans**

1. Click on a voyage in the voyages list or board to open it in the drawer.
2. At the top right, click on **Functions** <img src="https://content.gitbook.com/content/uZ9lzqgHX4JL1Df67xog/blobs/MUnMJsemMgkE4M2hZc1g/functions_tools_flash_on-24px.svg" alt="" data-size="line">.

{% content-ref url="voyage-analysis/sensitivity-analysis" %}
[sensitivity-analysis](https://docs.dataloy.com/release-8.16/voyage-management-system/step-by-step-guides/voyages/maintain-voyages/voyage-analysis/sensitivity-analysis)
{% endcontent-ref %}

{% content-ref url="voyage-analysis/intake-calculation" %}
[intake-calculation](https://docs.dataloy.com/release-8.16/voyage-management-system/step-by-step-guides/voyages/maintain-voyages/voyage-analysis/intake-calculation)
{% endcontent-ref %}

{% content-ref url="voyage-analysis/deviation-calculation" %}
[deviation-calculation](https://docs.dataloy.com/release-8.16/voyage-management-system/step-by-step-guides/voyages/maintain-voyages/voyage-analysis/deviation-calculation)
{% endcontent-ref %}

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