Application (Lights)
Rules concerning lights shall be complied with from sunset to sunrise and during restricted visibility.
Rule 20 establishes when lights must be displayed. Rules concerning lights shall be complied with from sunset to sunrise, and during such times no other lights shall be exhibited. During restricted visibility and in all other circumstances when deemed necessary, lights shall also be displayed. Day shapes shall be exhibited during daylight hours.
Key Takeaways
Lights required from sunset to sunrise
Also required during restricted visibility
Day shapes required during daylight hours
No other lights should interfere with prescribed lights
Common Mistakes
Not displaying lights during daytime restricted visibility
Displaying decorative lights that could be confused with navigation lights
Test Your Knowledge
Test your knowledge and prove your mastery.