FEATURE SPOTLIGHT

GMDSS decision support

DSC distress/urgency/safety worksheets, equipment readiness, authorized radio logs, station directory and source-backed MSI/NAVTEX review. No transmission or radio control.

How CaptainCalc helps

DSC distress/urgency/safety worksheets, equipment readiness, authorized radio logs, station directory and source-backed MSI/NAVTEX review. No transmission or radio control.

Follow the steps in the app

GMDSS decision support

How CaptainCalc helps

Why it matters

DSC distress/urgency/safety worksheets, equipment readiness, authorized radio logs, station directory and source-backed MSI/NAVTEX review. No transmission or radio control.

How CaptainCalc helps

GMDSS decision support keeps the important inputs, source details, warnings and saved result together, so you can understand what shaped the answer.

What you'll see

The screens below show the main parts of GMDSS decision support and the result you can expect after completing the task.

What you need

Some tools need a completed vessel profile, installed offline data, an internet connection or Premium access. CaptainCalc tells you what is needed before you begin.

See the main screens

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GMDSS decision support — 1
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Practical learning and web tools

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CaptainCalc is decision support. It never replaces approved stability data, loading computers, ECDIS, official publications, procedures or professional judgment.

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