Navigation Lights and Day Shapes Course

A Learn2Boat knowledge course

Designed for clear theory learning, rule-linked explanations and repeated practice. It is not a boating licence, practical assessment or certificate of competence.

One-off course€24

All specialist lessons and unlimited quizzes for this subject are included. Course quizzes never consume credits.

Try the free starting point

Rules 20–31

Learn a repeatable method for identifying vessels by night and by day.

Start with recognition, not memorisation

For every display, say five things: colours, vertical order, vessel status, viewing aspect and the supporting rule. Then state what the lights do not yet prove.

Restricted in ability to manoeuvre

Rule 27

Not under command

Rule 27

Trawling

Rule 26

Fishing other than trawling

Rule 26

Pilot engaged on pilotage duty

Rule 29

Constrained by draught (International)

Rule 28

Towing display, simplified

Rule 24

Aground plus anchor lights

Rule 30

Eight-lesson pathway

Practice and assessment

Take the free 10-question Lights check, then use randomized 10-, 20- and 50-question assessments. Paid practice remains in prelaunch mode and may be accessed later with credits, this course, the complete bundle or membership.

Products are being prepared. Please check back soon.

Source: USCG Navigation Rules.

Educational material only. It does not replace the current official rules, notices, local regulations, proper training or prudent seamanship.

Included practice

Course owners practise without credits

Use randomized quick checks and longer exams as often as needed. Standalone learners may unlock the same quizzes with credits.