USCG Exam PracticeLight List, ranges, and light characteristics
Which statement correctly distinguishes an Occulting (Oc) light from a Flashing (Fl) light?
- A. An Occulting light has a longer period of darkness than light; a Flashing light has a longer period of light than darkness
- B. An Occulting light has a longer period of light than darkness; a Flashing light has a longer period of light than darkness as well
- ✓ An Occulting light has a longer period of light than darkness; a Flashing light has a longer period of darkness than lightCorrect
- D. Both Occulting and Flashing lights have equal periods of light and darkness
Why C is correct
Occulting (Oc) has a duration of light longer than darkness, while Flashing (Fl) has a duration of light shorter than darkness. The Light List explicitly states that Occulting is the opposite of Flashing.