Day Skipper training module 12 of 17
Lighthouses, beacons, and light characteristics used for navigation.
You are preparing a real trip where your understanding of lighthouses and beacons shapes the decision. Use this module to explain the cue, the risk, and the next safe action before you move on.
6 lesson sections · 15 quiz questions · 12 flashcards
On narrow screens, scroll sideways to reach every study mode.
Use this module hub to choose the right lesson, then open the dedicated lesson page for the complete explanation, worked examples, FAQs, and practice questions.
Visual aids to navigation — lighthouses, beacons, light vessels, and lit buoys — are essential for safe navigation, especially at night and in poor visibility. Understanding light charact...
Every navigational light has a defined character: the repeated pattern of light and dark that lets you identify it from a chart or the Admiralty List of Lights. The most common chart abbr...
On a chart, a light is described in a standard format, e.g., 'Fl(2) WR 10s 15m 12M'. This reads: Group flashing (2 flashes), White and Red sectors, period 10 seconds, height 15 metres abo...
Many navigation lights show different colours in different directions, called sectors. Sector lights help vessels follow a safe approach line or keep clear of dangers. A white sector ofte...
Lighthouses are the most prominent visual aids. Each has a unique combination of colour scheme (daymark), light character, and sometimes a fog signal. They are charted with a star symbol...
Some lighthouses and navigation marks have fog signals — sound signals activated in poor visibility. These include diaphones (two-tone), sirens, horns, and bells. The character of the fog...
Add the complete practice layer
Keep reading the public lesson articles, and add this module's guided flow, quizzes, spaced-repetition flashcards, progress, and mock exams with one payment.