A buoy having red and green horizontal bands would have a light characteristic of ______.
A.group occulting
B.composite group flashing
C.Morse letter A
D.quick flashing
单选题A preferred-channel buoy will show a（）.A white light whose characteristic is Morse (A)B group-occulting white lightC composite group-flashing (2 + 1) white lightD composite group-flashing (2 + 1) red or green light
点击查看答案
单选题A vessel engaged in trawling will show identification lights of（）.A a red light over a white lightB a white light over a red lightC a green light over a white lightD two red lights in a vertical line
单选题A buoy having red and green horizontal bands would have a light characteristic of（）.A group occultingB composite group flashingC Morse letter AD quick flashing
单选题A lighted preferred-channel buoy may show a（）.A fixed red lightB Morse (A) white lightC composite group-flashing lightD yellow light
单选题What is the light characteristic of a lighted，preferred-channel buoy? （）A Group flashingB Composite group flashingC Interrupted quick flashingD Fixed and flashing
单选题A mid-channel buoy，if lighted，will show a（）.A fixed red lightB Morse (A) white lightC green lightD flashing red light
单选题A buoy marking a wreck will show a(n)（）.A white light FL (2) and a topmark of 2 black spheresB occulting green light and may be letteredC yellow light and will be numberedD continuous quick white light and may be numbered
