Question 22Navigation General

70% to pass

On navigational aids, what does the light characteristic "Fl(2+1

A A
B B
C C
D D
AI Explanation

The correct answer is A. The light characteristic "Fl(2+1)" refers to a light that displays a group of 2 flashes followed by 1 single flash, repeating continuously. This pattern is classified as a "Composite Group Flashing" light characteristic, which is designated by the letter "A" according to the International Association of Lighthouse Authorities (IALA) standards for maritime navigational aids. The other options are incorrect because they do not match the specific "Fl(2+1)" light pattern described in the question.

Related Questions
Q1676:In the Bay of Fundy, during twilight, you a take sight of Mars. The sextant alti... Q1132:Air masses near the earth's surface _______________. Q1743:It is 1200 local time for an observer at 54°E longitude. Which statement is TRUE... Q1131:A psychrometer has two thermometers that provide dry bulb and wet bulb temperatu... Q1811:A chart position enclosed by a semi-circle is a(n) _______________.

Ready to test your knowledge?

Take a Navigation General Practice Exam
Official Resources
USCG Navigation Rules (COLREGS) 33 CFR Navigation Rules USCG National Maritime Center
← Previous All Questions Next →

Want to practice with timed exams?

Download Coast Guard Exams for the full exam experience.

App Store