USCG Exam PracticeLight List, ranges, and light characteristics
Which of the following correctly describes a Fixed and Flashing (FFl) light?
- A. A light that is fixed in position and flashes in a group of two
- ✓ A continuous light with a brighter flash superimposed at regular intervalsCorrect
- C. A light alternating between a fixed white phase and a flashing red phase
- D. A flashing light whose period is fixed and does not vary
Why B is correct
Fixed and Flashing (FFl) is defined as a fixed (continuous) light upon which a brighter flash is superimposed at intervals. It is not a group-flashing light, an alternating light, or simply a flashing light with a fixed period.