Verified 100% Correct
A ship station using VHF bridge- to-bridge Ch. 13: - ANSWER- May be identified by the
name of the ship in lieu of a call sign.
The primary purpose of bridge-to-bridge communications is: - ANSWER- Navigational
communications
What is the best way for a radio operator to minimize or prevent interference to other
stations? - ANSWER- Determine that a frequency is not in use before transmitting.
Under what circumstances may a coast station using telephony transmit a general call
to a group of vessels? - ANSWER- When announcing or preceding the transmission of
distress, urgency, safety or other important messages.
Who determines when a ship station may transmit routine traffic destined for a coast or
government station in the maritime mobile service? - ANSWER- Ship stations must
comply with instructions given by the coast or government station.
What is required of a ship station which has established initial contact with another
station on 2182 kHz or Ch. 16? - ANSWER- The stations must change to an authorized
working frequency for the transmission of messages.
How does a coast station notify a ship that it has a message for the ship? - ANSWER-
The coast station may transmit, at intervals, lists of call signs in alphabetical order for
which they have traffic.
What is the priority of communications? - ANSWER- Distress, urgency, safety
Under what circumstances may a ship or aircraft station interfere with a public coast
station? - ANSWER- In cases of distress.
Ordinarily, how often would a station using a telephony emission identify? - ANSWER-
At the beginning & end of each transmission & 15 minute intervals.
When using a SSB station on 2182 kHz or VHF-FM on Ch. 16: - ANSWER- A.
Preliminary call must not exceed 30 seconds.
B. If contact is not made, you must wait at least 2 minutes before repeating the call.
C. Once contact is established, you must switch to a working frequency.
D. ALL OF THESE
, What should a station operator do before making a transmission? - ANSWER- Except
for transmission of distress calls, determine that the frequency is not in use by
monitoring the frequency before transmitting.
On what frequency should a ship station normally call a coast station when using a
radiotelephony emission? - ANSWER- Calls should be initiated on the appropriate
shipto-shore working frequency of the coast station.
In the International Phonetic Alphabet, the letters E, M, and S are represented by the
words: - ANSWER- Echo, Mike, Sierra
What information must be included in a distress message? - ANSWER- A. Name of
vessel.
B. Location.
C. Type of distress & specifics of help requested.
D. ALL OF THE ABOVE.
What are the highest priority communications from ships at sea? - ANSWER- Distress
calls are highest & then communications preceded by urgency and then safety signals.
What is a distress communication? - ANSWER- An internationally recognized
communication indicating that the sender is threatened by grave & imminent danger &
requests immediate assistance.
What is the order of priority of radiotelephone communications in the maritime service? -
ANSWER- Distress calls & signals, followed by communications preceded by urgency &
safety signals & all other communications.
The radiotelephone distress call & message consists of: - ANSWER- A. MAYDAY
spoken 3 times, followed by the name of the vessel and the call sign in phonetics
spoken 3 times.
B. Particulars of its position, latitude & longitude, & other information which might
facilitate rescue, such as length, color and type of vessel, & number of persons on
board.
C. Nature of distress & kind of assistance required.
D. ALL OF THE ABOVE.
What is distress traffic? - ANSWER- All messages relative to the immediate assistance
required by a ship, aircraft, or other vehicle threatened by grave or imminent danger,
such as life & safety of persons on board, or man overboard.
What is a typical urgency transmission? - ANSWER- A request for medical assistance
that does not rise to the level of a distress or critical weather transmission higher than