Subelement B – Communications Procedures Flashcards
What traffic management service is operated by the U.S. Coast Guard in certain designated water areas to prevent ship collisions, groundings and environmental harm?
A. Water Safety Management Bureau (WSMB).
B. Vessel Traffic Service (VTS).
C. Ship Movement and Safety Agency (SMSA).
D. Interdepartmental Harbor and Port Patrol (IHPP).
B. Vessel Traffic Service (VTS).
What is a bridge-to-bridge station?
A. An internal communications system linking the wheel house with the ship’s primary radio operating position and other integral ship control points.
B. An inland waterways and coastal radio station serving ship stations operating within the United States.
C. A portable ship station necessary to eliminate frequent application to operate a ship station on board different vessels.
D. A VHF radio station located on a ship’s navigational bridge or main control station that is used only for navigational communications.
D. A VHF radio station located on a ship’s navigational bridge or main control station that is used only for navigational communications.
When may a bridge-to-bridge transmission be more than 1 watt?
A. When broadcasting a distress message and rounding a bend in a river or traveling in a blind spot.
B. When broadcasting a distress message.
C. When rounding a bend in a river or traveling in a blind spot.
D. When calling the Coast Guard.
A. When broadcasting a distress message and rounding a bend in a river or traveling in a blind spot.
When is it legal to transmit high power on Channel 13?
A. Failure of vessel being called to respond.
B. In a blind situation such as rounding a bend in a
river.
C. During an emergency.
D. All of these.
D. All of these.
A ship station using VHF bridge-to-bridge Channel 13:
A. May be identified by the name of the ship in lieu of call sign.
B. May be identified by call sign and country of origin.
C. Must be identified by call sign and name of vessel.
D. Does not need to identify itself within 100 miles from shore.
A. May be identified by the name of the ship in lieu of call sign.
The primary purpose of bridge-to-bridge communications is:
A. Search and rescue emergency calls only.
B. All short-range transmission aboard ship.
C. Navigational communications.
D. Transmission of Captain’s orders from the bridge.
C. Navigational communications.
What is the best way for a radio operator to minimize or prevent interference to other stations?
A. By using an omni-directional antenna pointed away from other stations.
B. Reducing power to a level that will not affect other on-frequency communications.
C. Determine that a frequency is not in use by monitoring the frequency before transmitting.
D. By changing frequency when notified that a radiocommunication causes interference.
C. Determine that a frequency is not in use by monitoring the frequency before transmitting.
Under what circumstances may a coast station using telephony transmit a general call to a group of vessels?
A. Under no circumstances.
B. When announcing or preceding the transmission of Distress, Urgency, Safety or other important messages.
C. When the vessels are located in international waters beyond 12 miles.
D. When identical traffic is destined for multiple mobile stations within range.
B. 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?
A. Shipboard radio officers may transmit traffic when it will not interfere with ongoing radiocommunications.
B. The order and time of transmission and permissible type of message traffic is decided by the licensed on-duty operator.
C. Ship stations must comply with instructions given by the coast or government station.
D. The precedence of conventional radiocommunications is determined by FCC and international regulation.
C. 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?
A. The stations must change to an authorized working frequency for the transmission of messages.
B. The stations must check the radio channel for Distress, Urgency and Safety calls at least once every ten minutes.
C. Radiated power must be minimized so as not to interfere with other stations needing to use the channel.
D. To expedite safety communications, the vessels must observe radio silence for two out of every fifteen minutes.
A. 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?
A. By making a directed transmission on 2182 kHz or 156.800 MHz.
B. The coast station changes to the vessel’s known working frequency.
C. By establishing communications using the eight-digit maritime mobile service identification.
D. The coast station may transmit, at intervals, lists of call signs in alphabetical order for which they have traffic.
D. 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?
A. Safety, Distress, Urgency and radio direction-finding.
B. Distress, Urgency and Safety.
C. Distress, Safety, radio direction-finding, search and
rescue.
D. Radio direction-finding, Distress and Safety.
B. Distress, Urgency and Safety.
Under what circumstances may a ship or aircraft station interfere with a public coast station?
A. In cases of distress.
B. Under no circumstances during on-going radiocommunications.
C. During periods of government priority traffic handling.
D. When it is necessary to transmit a message concerning the safety of navigation or important meteorological warnings.
A. In cases of distress.
Ordinarily, how often would a station using a telephony emission identify?
A. At least every 10 minutes.
B. At the beginning and end of each transmission and at 15-minute intervals.
C. At 15-minute intervals, unless public correspondence is in progress.
D. At 20-minute intervals.
B. At the beginning and end of each transmission and at 15-minute intervals.
When using a SSB station on 2182 kHz or VHF-FM on channel 16:
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.
D. All of these.
What should a station operator do before making a transmission?
A. Except for the transmission of distress calls, determine that the frequency is not in use by monitoring the frequency before transmitting.
B. Transmit a general notification that the operator wishes to utilize the channel.
C. Check transmitting equipment to be certain it is properly calibrated.
D. Ask if the frequency is in use.
A. Except for the 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?
A. On a vacant radio channel determined by the licensed radio officer.
B. Calls should be initiated on the appropriate ship-to-shore working frequency of the coast station.
C. On any calling frequency internationally approved for use within ITU Region 2.
D. On 2182 kHz or Ch-16 at any time.
B. Calls should be initiated on the appropriate ship-to-shore working frequency of the coast station.
In the International Phonetic Alphabet, the letters E, M, and S are represented by the words:
A. Echo, Michigan, Sonar.
B. Equator, Mike, Sonar.
C. Echo, Mike, Sierra
D. Element, Mister, Scooter
C. Echo, Mike, Sierra
What information must be included in a Distress message?
A. Name of vessel.
B. Location.
C. Type of distress and specifics of help requested.
D. All of the above.
D. All of the above.
What are the highest priority communications from ships at sea?
A. All critical message traffic authorized by the ship’s master.
B. Navigation and meteorological warnings.
C. Distress calls are highest and then communications preceded by Urgency and then Safety signals.
D. Authorized government communications for which priority right has been claimed.
C. Distress calls are highest and then communications preceded by Urgency and then Safety signals.
What is a Distress communication?
A. Communications indicating that the calling station has a very urgent message concerning safety.
B. An internationally recognized communication indicating that the sender is threatened by grave and imminent danger and requests immediate assistance.
C. Radio communications which, if delayed, will adversely affect the safety of life or property.
D. An official radio communication notification of approaching navigational or meteorological hazards.
B. An internationally recognized communication indicating that the sender is threatened by grave and imminent danger and requests immediate assistance.
What is the order of priority of radiotelephone communications in the maritime services?
A. Alarm and health and welfare communications.
B. Navigation hazards, meteorological warnings, priority traffic.
C. Distress calls and signals, followed by communications preceded by Urgency and Safety signals and all other communications.
D. Government precedence, messages concerning safety of life and protection of property, and traffic concerning grave and imminent danger.
C. Distress calls and signals, followed by communications preceded by Urgency and Safety signals and all other communications.
The radiotelephone Distress call and message consists of:
A. MAYDAY spoken three times, followed by the name of the vessel and the call sign in phonetics spoken three times.
B. Particulars of its position, latitude and longitude, and other information which might facilitate rescue, such as length, color and type of vessel, and number of persons on board.
C. Nature of distress and kind of assistance required.
D. All of the above.
D. All of the above.
What is Distress traffic?
A. All messages relative to the immediate assistance required by a ship, aircraft or other vehicle threatened by grave or imminent danger, such as life and safety of persons on board, or man overboard.
B. In radiotelephony, the speaking of the word, “Mayday.”
C. Health and welfare messages concerning property and the safety of a vessel.
D. Internationally recognized communications relating to important situations.
A. All messages relative to the immediate assistance required by a ship, aircraft or other vehicle threatened by grave or imminent danger, such as life and safety of persons on board, or man overboard.
