An icebreaker may use the code letter "K" to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT __________.
A
light signal
B
sound signal
C
radiotelephone
D
visual signal
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Question 1 / 2066636ee728f7522a1c517d98
Question 1 of 2066636ee728f7522a1c517d98
An icebreaker may use the code letter "K" to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT __________.
An icebreaker may use the code letter "K" to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT __________.