The messenger of the watch tells you that the
commanding officer wants to be sure that, of all the
ships in company, only the ship addressed can read
the message. By what means should you transmit the
1. Directional flashing light
2. Non-directional flashing light
The message has an immediate precedence and is
addressed to several ships.
If the addressees are
positioned so that they can all be communicated to
simultaneously, by what method should you transmit
3. Non-directional flashing light
4. Directional flashing light
What prosign is used to inform a ship that her light is
brighter than necessary?
When communicating by flashing light, what
procedure should you use when the transmitting
station waits for a flash for each word or group
3. Non-directional infrared
What operating signal is used when you, as the
repeating ship, miss a portion of a message you are
You have received a message using non-directional
procedure. After checking the message, you are
ready to receipt for it. What signal should you send
to receipt for the message?
What method of communication is being used when
the receiving station hoists DESIG?
3. Daylight signaling lantern
You want to send a flashing light message to a ship
well within visual range. Rather than use a full call,
you raised the ship by means of its abbreviated call
sign. What does the abbreviated call involve?
Abbreviating the call sign of the ship being
Abbreviating your ships call sign
Omitting the call of the ship being called
Omitting your ships call sign
What call sign consists of a single call sign
representing more than one station?
1. Full call
2. Multiple call
3. Collective call
4. Abbreviated call
When abbreviated calls are used, it is assumed that
the message is addressed to which officer?
1. The senior officer embarked
2. The commanding officer
3. The officer of the deck
4. The executive officer
When more than one station is being called in the
same direction or during low visibility, how does the
answering station indicate its identity?
By transmitting its call sign followed by the
By transmitting the prosign DE followed by a
call sign and the prosign K
By transmitting the prosign K followed by its
By transmitting its call sign