Question 22Navigation General70% to pass
On navigational aids, what does the light characteristic "Fl(2+1
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
#20 Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? #21 A harbor chart could have a scale of _______________.#23 Under the IALA Buoyage Systems, safe water marks may show a _______________.#24 The draw span of a floating drawbridge may be marked with _______________.#25 The Light List shows that a navigational light has a nominal range of 6 miles and a height above water of 18 feet (5.5 meters). Your height of eye is 40 feet (12.2 meters) and the visibility is 27.0 miles. At which approximate range will you first sight the light?