USCG Exam PracticeLight List, ranges, and light characteristics
A light described as 'Al WR' in the Light List is best described as which type?
- A. A white light with a red sector covering a danger area
- ✓ A light that shows white and red colours alternatelyCorrect
- C. A fixed white light with a red flashing characteristic superimposed
- D. A group-flashing light showing three white and three red flashes per period
Why B is correct
The Alternating (Al) characteristic denotes a light that shows different colours alternately. 'Al WR' specifically indicates alternating white and red. (Light List — Al)