USER GUIDE
When to stop and review
Read each warning, correct its cause and recalculate before continuing.
How to interpret it safely
Read each warning, correct its cause and recalculate before continuing.
The user guide explains what the information means, how the result is produced and which warnings or limits matter.
See the main screens
What to know before you use it
How to use this feature well
Read advisory warnings and readiness notices in context; fix the underlying condition before saving the result.
Where the information comes from
When to stop and review: Before using a result, check its provider, datum, time basis, confidence and installed-data details.
Check your inputs
When to stop and review: Complete missing information and correct inconsistent or out-of-range vessel, position and calculation values.
Understand the calculation
When to stop and review: Keep the units, vessel particulars, time zone and selected method in view when reading a result or export.
When to stop and review
When to stop and review: Read each warning, correct its cause and recalculate before continuing.
Use it within its limits
When to stop and review: CaptainCalc supports decisions; approved vessel documents, official publications and the master's judgement remain authoritative.
Continue learning
CaptainCalc is decision support. It never replaces approved stability data, loading computers, ECDIS, official publications, procedures or professional judgment.
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