C1 (511-609)
Maritime Communication Quiz
Test your knowledge on maritime communication and safety protocols with our engaging quiz. This quiz covers a range of essential topics including GMDSS regulations, HF and MF communications, and maritime terminology. Perfect for students and professionals alike, enhance your understanding of critical maritime operations today!
- 30 Multiple Choice Questions
- Covers International Maritime Organization standards
- Suitable for both beginners and experienced individuals
At midday in the summer. What be the best choice in attempting to communicate, using NBDP with shore station some 1800 miles distant ?
VHF
Lower HF bands
MF
Higher HF bands
In Ship Reporting System, where language difficulties exist and in particular where requested by the Master or the shore based authority, the following should be used to send detailed information EXCEPT ?
AIS text messaging
The languages used should be English
Where possible the Standard Marine Communication Phrases
Alternative the international Code of signal
Approximately how close a SART indicated by rings or circles on the radar display ?
1 nautical miles
2 nautical miles
4 nautical miles
3 nautical miles
Which of the following ALRS Volume that is split across eight publications ?
Volume 4 (NP284)
Volume 6 (NP286)
Volume 5 (NP285)
Volume 3 (NP283)
Select from the following statements GMDSS communications function must all compulsory vessels be capable of performing to meet International Maritime Organization requirements ?
Distress alerting and receipt of Maritime Safety information via Inmarsat for all vessels Intending to operate in Sea Area A4
Distress alerting and receipt of MSI in Sea Areas A1. A2, A3 and A4 regardless of the vessel's intended area of operation
General communication via Inmarsat and receipt of Maritime Safety
Distress alerting communication and receipt or Maritime Safety Information in the vessel's intended area of operation
What is the emission designation for VHF-FM ?
F3C
J2B
H3E
F3E
What does ASCII stands for ?
American Standard Code for Information Interchange
American Standard Code for International Interchange
American Standard Code for Interchange Information
Atlantic Standard Code for Information Interchange
Which from the following emission mode occupies the most bandwidth ?
The F1B
The J3E
The J2B
The F3E
What does MRCC stands for ?
Maritime Receiver Center Council
Maritime Rescue Council Coordinator
Maritime Rescue Coordinating Centre
Maximum Rescue Coordinating Center
What does LES stands for ?
Local Earth Station
Land Earth Services
Low Earth Station
Land Earth Station
What is the specific gravity reading to considered fully discharge a lead battery ?
Between 1250 and 1150
1150 or lower
Between 1250 and 1280
1150 or higher
How long must the radio log be retained on board before sending it to shoreside license ?
At least two years after the last entry
At least one year after the last entry
At least 30 days after the last entry
At least 90 days after the last entry
What does IOR stands for ?
International Ocean Region
Indian Ocean Region
International Organization Rules
Indian Organization Rules
Identify what Sea Area if a vessel is engaged in local trade and at no point in its voyage travels outside the range of a VHF shore station with continuous DSC alerting ?
Inland and coastal waters
Sea Area A1 and A2
Coastal and international zones
Sea Area A1
Radio laws and regulations of the Philippines are enforce by the ?
Department of Education
Department of Labor and Employment
Commission on Higher Education and Culture
National Telecommunication Commission
What should be the temperature range for an AIS-SART can be stowed throughout without damaging ?
-50° C to +90°C
-10°C + +90°C
-30°C to +70°C
-40°C to +70°C
What is the signal transmitted in H3E mode ?
A full carrier and two sidebands
A full carrier and one sideband
A full carrier and both upper and lower sidebands
A full carrier and the upper sideband
Choose from the following statement about the term duplex "ITU Channel" ?
It refers to VHF channels 128 and 60-88
It is a series of frequency pairings used for ship-ship communications
It is a standardized series of frequency pairings for common use
It refers to a vessel's SELCAL number
What does FSK stands for ?
Frequency Service key
Fast Service Keying
Frequency Shift Keying
Forward Service Keying
What is the Inmarsat special access code to be used to report a navigation hazard ?
42
43
41
38
If a vessel engaged in local trade and at no point in its voyage travels outside 25 miles from the florida Coast, in which GMDSS zones would this vessel is operating ?
SEA AREA A1
SEA AREA A4
SEA AREA A3
SEA AREA A3
What is the Automated Mutual-Assistance Vessel Rescue System (AMVER) ?
A voluntary organization of marines who maintain radio watch on 500kHz, 2182kHz and 156.800kHz
A coordinated radio direction finding effort between the Federal Communications Commission and U.S. Coast Guard to assist ships in distress
An international system operated by the U.S Coast Guard providing coordination of search and rescue efforts
A satellite-based distress and safety alerting program operated by the U.S Coast Guard
The phases of emergency at sea established to classifying incidents and determining the actions to be taken are the following " EXCEPT"
Distress phase
Alert phase
Uncertainty phase
Critical phase
How would you demonstrate your action after sending a false Distress alert on MF ?
Make a voice announcement to cancel the alert on 2174.5 kHz
Send another DSC alert and follow on with voice on 2182.0 kHz
Make a voice announcement to cancel the alert on 2182.0 kHz
Make a voice announcement to cancel the alert on 2187.5 kHz
How would you describe on the following statement concerning Inmarsat-B and Inmarsat-C terminal is CORRECT ?
Both Inmarsat-B and Inmarsat-C units are capable of fax and voice communications
Inmarsat-B units are capable of data communications, but Inmarsat-C units are uncapable of data communications
Both Inmarsat-B and Inmarsat-C units can send data as well as send messages to fax machines
Inmarsat-B units are uncapable of data communications, but Inmarsat-C units are
What is the term for any governmental office responsible in discharging the obligations undertaken in the convention of the ITU and the regulation ?
Country
Telecommunications office
The Union
Administration
What does SRR stands for ?
Standard Rescue and Regions
Search and Rescue Regions
Service Rules and Rescue
Safety Regions on Rescue
After transmitting a VHF DSC Distress Alert in Sea Area A1, which from the following channel you should expect a subsequent acknowledgement by R/T ?
Ch. 06
Ch. 16
Ch. 70
Ch. 13
What is one of the advantages of using J3E ?
The received signals is clearer than H3E
Less fine tuning of the received frequency
The signal is less efficient than R3E
Less current is drawn from the batteries than H3E
What is the unit of frequency ?
Channel
Band
Farad
Hertz
Which system is most likely to be affected by atmospheric disturbances ?
MF/HF radiotelephony
Inamarsat
SafetyNET
VHF DSC
Reference SOLAS IV, Regulation 2, this means automated telegraphy techniques which comply with the relevant recommendation of the International Radio consultative commitee
Direct Telephony
DSC
Direct Telephony and Telegraphy
Direct printing telegraphy
Reference SOLAS IV, Regulation 2, this means automated telegraphy techniques which comply with the relevant recommendations of the International Radio consultative commitee
Direct Telephony
DSC
Direct Telephony and telegraphy
Direct printing telegraphy
In radiotelephony " SEELONCE FEENEE" means ?
Distress has ended and normal working may be resumed
Search and rescue operation is still ongoing
Restricted may not be resumed
Distress has not ended and normal working may not be resumed
Which of the frequency is allocated as the GMDSS Digital Selective Calling Frequency ?
156.300 KHz
156.525 MHz
2182 KHz
156.525 KHz
When operating in coastal Waters (sea area A1), what must a GMDSS equipped vessel maintain ?
Maintain a continuous DSC Watch on VHF Channel 16
Maintain a continuous DSC watch on VHF Channel 70
Maintain a continuous aural watch on 2182 kHz
Maintain a continuous DSC watch on 8514.5 kHz
Which of the following is the primary used of DSC ?
Transmitted and receive distress and safety alerts to and from other ships and shore stations via radio
Receive weather warnings, navigational notices and other marine safety information
Provide routine communications with the ship owner
Report ship's position to Search and rescue authorities via satellite
In Chapter 3 of the International Code of Signals, Section 2: Request for Medical Assistance, which code should your message means "I need a Doctor, I have radiation casualties" ?
BR 3
BT 2
AN 2
AN 1
What was the component of DSC Distress Alert contains ?
ID, position and vessel's call sign
ID, position and the nature of distress
ID, position and name of vessel in distress
ID, position and number of crew on board
Which of the following is an example of a locating signal ?
A float-free EPIRB
Ship to shore transmission
LORAN C Receiver
SSB phone traffic transceiver
Your ship is a GMDSS ship, what is required on the capability of the VHF installed onboard your ship ?
The VHF transmitter output must be 30 watts for better output and signals
The DSC channel 70 must be able to initiate transmission of distress alerts from position to which the ship is navigated
The VHF must have a dedicated non-scanning receiver capable of monitoring distress on DSC channel on VHF 16
A required channel for radio telephony (Transmit and received) of distress on any VHF channel frequency
Which statement is False regarding the radio operator requirements for a GMDSS-equipped ship station ?
Maintaining a record of all incidents connected with the radio- communications service that appear to be of importance to safety of life at sea is not required
While at sea, all adjustments or radio installations, servicing or maintenance of such installations that may qualified GMDSS radio maintainer.
A qualified GMDSS radio operator, and a qualified back-up, must be designated to perform distress, Urgency and Safety communications
One of their qualified GMDSS radio operators must be designated to have primary responsibility for radiocommunication during Distress incidents.
Which of the following regions lies outside Sea Areas A1, A2, and A3 ?
Atlantic Ocean Region
Indian Ocean Region
Pacific Ocean Region
Polar Regions
Which term describe the ability of a GMDSS transceiver to discriminate between multiple signals ?
Clarity
Linearity
Selectivity
Sensitivity
Ship Reporting Systems should be considered for adoption by the Organization only if supported by a demonstrated need to address one or more of the following EXCEPT ?
To increase the protection of the marine environment
To ensure protection of the seafarer's right
The improvement of safety of life at sea
The safety and efficiency of navigation
In the EGC Safety net service, what type of NAVTEX warning is letter "D" represent ?
Navigational Warning Information
Meteorological Warning Information
SatNav messages
Search and Rescue Information
Which from the following statement relate the obligation of a vessel under GMDSS ?
Vessel over 300 gross tons may be required to render assistance if such assistance does not adversely affect their port schedule.
Vessel operating under GMDSS, outside of areas effectively serviced by shoreside authorities, operating in sea area A2, and A4 may be required to render assistance in Distress situation
Every ship is able to perform those communications functions that are essential for the safety of the ship itself and of other ships
Only that vessel, regardless of size, closet to a vessel in distress, is required to render assistance
What is the reporting system that covers the area within the Continental Shell or Exclusive Economic Zone off the coast of Greenland ?
GREENREP
Off Greenland
GREENPOS
Greenland traffic
What is the only intentional body for developing guidelines, criteria and regulations on an intentional level for ship reporting system ?
Classification society
IMO
The contracting governmanet
BIMCO
Can you choose which one of the following number is a ship station SELCAL ?
1502352
230364973
11243
1104
What is the mark or position at which a vessel is required to report to the local VTS station establish its position ?
Reporting point
Cardinal point
Reference line
Separation zone/ line
What was the GMDSS-equipped vessel must carry if operating within Ocean Area A1, and outside of NAVTEX coverage ?
Equipment capable of reception of Maritime Safety Information by the Inmarsat enhance group call system
Equipment capable of maintaining a continuous DSC watch on 2187.5 kHz
An Inmarsat-B terminal
A GPS receiver
Reference SOLAS IV, Regulation 2, what is meant by an area within the radiotelephone coverage of at least one VHF coastal station in which continuous DSC alerting is available ?
Sea area A4
Sea Area A1
Sea Area A3
Sea Area A2
How would you describe which of the following defines "ITU Channel 1216" ?
It is CH-12 in the 16 MHz band
It is CH-1216 in the MF band
It is Ch-12 in the 16 kHz band
It is Ch- 16 in the 12 MHz band
How would explain the meaning of "Reserve Source of Energy" ?
High caloric value items for lifeboat, per SOLAS regulations
Power to operate the radio installations and conduct Distress and Safety communications in the event of failure of the ship's main and emergency sources of electrical power
The diesel fueled emergency generator that supplies AC to the vessel's emergency power bus
Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or exceeding the SOLAS requirements
What is defined as the area within radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available as defined by the IMO regulation for GMDSS ?
Ocean Area Regions AOR-E, AOR-W, POR or IOR
Sea Area A1
Sea Area A2
Coastal and Inland Waters
Which of the following stand stand for RSC ?
Rescue Services Center
Rescue Special Cooperative
Rescue Sub Centre
Rescue Services Committee
Choose from the following is non-functional requirements for GMDSS complaint ships ?
Perform ship-to-shore distress alerting by two independent means
Transmitting and receiving search and rescue coordinating communications
Transmitting ship-to-shore distress alerts by at least two separate and independent means , each using a different radiocommunication service
Transmitting and receiving ship-to-ship distress alerts
Which of the following is the Radiotelephone Safety signal ?
" Securite \ " repeated 3 times
" SecuriteSecurite \ repeated 3 times
" SafetySafetySafety\ "
" Pan Pan \ " repeated 3 times
What do you call the Radio wave propagation in its distance traveled by a radio wave from one wavetop to another ?
Frequency
Wavelenght
Static duration
Magnetic field
Which system provides maximum communication range ?
Inmarsat
VHF ARQ
DSC calling on 8414.5 kHz
MF SITOR
What is the mechanism that allows a Float-free EPIRB ?
Spring Release Mechanism
Air Release Mechanism
Hydrostatic Release Mechanism
Hydraulic Release Mechanism
What would be the suitable antenna for a ship's VHF radio ?
Whip antenna
Back stay
Long wire
Yagi antenna
You just received a Distress relay on DSC-VHF channel 70, on what channel would you reply ?
VHF 13
VHF 16
VHF 6
VHF 70
Which of the following is used by radio communications facilities to identify their home country or base area in Digital Selective Calling (DSC) ?
Mobile Identification Number
Maritime Identification Digits
Marine Indemnity Directory
Mobile Interference Digits
In INMARSAT operation, what is the two-digit code which corresponds tp medical advise ?
32
42
41
38
What statement is TRUE regarding the additional equipment carriage imposed for the survival craft of vessel over 500 gross tons ?
Additional carriage of the three radio equipped lifeboats
Additional carriage of four radio equipped lifeboats Additional carriage of one radio equipped lifeboats
Additional carriage of the four radio equipped lifeboats
Additional carriage of the two radio equipped lifeboats
If the Watch Officer hears "PAN PAN" spoken three 3 times, what does it mean ?
None of the above
A navigation or important meteorological warning should follow
A Mobile unit is in need of immediate assistance
The station is preparing to transmit an URGENT message possibly concerning the safety of a mobile unit or person
How would you compare the frequency range for Very High Frequency ?
From 3-30 MHz
From 300-3,000 kHz
From 30-300 MHz
From 10-30 MHz
How can rescue personnel detect that a SART is transmitting in the immediate vicinity ?
The DSC unit will react to the SART signal and respond with two-tone auto alarm
The SART blips on the PPI will begin arcing and eventually become concentric Circles
The SART can provide an approximate location to within a two nautical mile radius, per IMO Standards
The SART signal appears as a target which comes and goes, the effect of heavy swells on a SART
What does FEC Stands for ?
Forward Error Connection
Fast Error Connection
Fast Error Correction
Forward Error Correction
In GMDSS, what is the channel used for the VHF-DSC for public correspondence ?
Channel 13
Channel 1
Channel 70
Channel 2
The International Telecommunication Union facilitates the assignment of MIDs to countries. What is the allocated MID number for the Philippines ?
548
533
574
567
Which of the following schedule should be carried out for lead acid battery to indure a full specific gravity ?
weekly
Daily
Monthly
Once per International voyage
Which of the following systems is least susceptible to fading or static interference ?
VHF ARQ
MF-HF DSC Controller
Inmarsat
HF SITOR (NBDP)
What does the abbreviation MASTREP means ?
Modernized Australian Ship Tracking and Reporting System
Modernized American Ship Tracking and Reporting System
Modernized Aruba Ship Tracking and Reporting System
Mid-Argentinian Ship Tracking and Reporting System
What information should be contained in a designated Distress Alert ?
ID, position and the nature of distress
ID, position and name of vessel in distress
ID, position and vessel's call sign
ID, position and number of crew onboard
In Chapter 2 of the International Code of Signal, Section 1; Distress-Emergency, what is the meaning of the code HM ?
Survivors are in bad condition. Medical emergency is urgently required
You should indicate position of survivors by throwing pyrotechnic signals
Survivors are in good condition
Have you located survivors ? If so, in what position ?
What is meant by the term antenna efficiency ?
Efficiency = radiation resistance/ transmission resistance
Efficiency = radiation resistance/ total resistance x 100%
Efficiency = total resistance / radiation resistance x 100%
Efficiency = total resistance / radiation resistance x 100%
If your vessel is entering pirate risk area, which ALRS Volume you will refer for anti piracy contact table ?
Volume 2 ( NP282)
Volume 5 (NP285)
Volume 1 (NP281)
Volume 3 (NP283)
How can SART's effective range be maximized ?
It must be switch to ON position
The SART into the seas as soon as possible to begin transmitting
It must be mounted 1 meter above the sea surface while on board the survival craft
It must be switched to Test position
Which of the following 3-letter signal means "You should follow treatment in your own medical guide" ?
MQT
MQP
MQO
MRJ
Which of the following maintenance functions is not the responsibility of the GMDSS Radio Operator ?
Perform scheduled testing of the battery's charged condition
Perform on-the-air verification checks
Visual inspection of equipment including the antenna and associated components
Aligning the power output
Vessel operating in which sea area's are required to carry either Inmarsat or HF equipment or a combination thereof under GMDSS ?
A4
A2
A3
A1
Concerning satellite EPIRB, which of the following statement is CORRECT ?
If the GMDSS Radio Operator does not program the EPIRB, it will transmit default information such as the follow-n communication frequency.
The code EPIRB signal only identifies the vessel's name and port of registry
The coded EPIRB signal identifies the nature of the distress situation
Once activated, these EPIRB's transmit a signal for use in identifying the vessel and for determining the position of the beacon
For interaction with ships participating in the ship reporting system, what should be the equipment of the shore-based authority compatible with the requirements of SOLAS Chapter IV ?
Equipped with emergency starting devices approved by the Organization
Radiocommunication and other radio equipment appropriate to accomplish the objectives of the system
Standard marine communications phrases under development by the Organization
Provided with a booklet which shall be written in a language mutually agreed with ship's officers
Which statement is false regarding the Radio Operator requirements for a GMDSS- equipped ship station ?
A qualified GMDSS radio Operator, and a qualified back-up, must be designated to perform Distress, Urgency and Safety communications
Maintaining a record of all incidents connected with the radio-communications service that appear to be of importance to Safety of Life at Sea is not required
One of the qualified GMDSS Radio Operators must be designated to have primary responsibility for radiocommunications during Distress incidents
While at sea, all adjustments or radio installations, servicing or maintenance of such installations that may affect the proper operation of the GMDSS station must be performed by, or under the supervision of a qualified GMDSS Radio Maintainer
What does MF stands for ?
Marine Frequency
Medium Frequency
Mobile Frequency
Maritime Frequency
The AIS-SART should be capable of transmitting messages of a unit in distress EXCEPT ?
Position
Safety information
Static information
Type of ship
What is the code use of make automatic telex calls using the international telex country ?
00
11
10
01
Which Regulation in SOLAS Chapter IV states that a record shall be kept, to the satisfaction of the Administration and as required by the Radio Regulations, of all incidents connected with the radio communications service which appear to be importance to safety of life at sea ?
Regulation 16
Regulation 18
Regulation 15
Regulation 17
Reference to Radio Regulation Article 1 Section VI Characteristics of emissions and radio equipment. What is meant by a single- sideband emission in which the degree of carrier suppression enables the carrier to be reconstituted and to be used for demodulation ?
Single-sideband emission
Full carrier single-sideband emission
Suppressed carrier single-sideband emission
Reduced carrier single sideband emission
Your Ship has restricted maneuverability, you want to send a message to all ships in the vicinity requesting to wide berth. The priority for such message is ?
Urgency
Safety
Distress
Routine
Concerning the EPIRB system, which of the following statements is authentic ?
COSPAS-SARSAT satellites always provides an alert ad position report within 10 minutes of reception
The GPS satellites system will relay an alert and position report within 20 minutes of reception
The Inmarsat system will not provide alerts and positions report for 406 MHz EPIRB's equipped with GPS receivers
GOES weather satellites will provide alerting with complete worldwide coverage
What is FALSE about HF communication ?
Not affected by time of a day
It bounces back to Earth
Sky wave propagation
Shortwave propagation
Which frequency must be used by a coast station to transmit a DSC international Routine shore-to-shore alert ?
2187.5 KHz
2182 KHz
2189.5 KHz
2177 KHz
When an external MF DSC test is carried out, a fault condition displayed on the transmitter. What should be the immediate action to be taken ?
Isolate the antenna and retest
Check the location of MF transmitter fuses in the operational manual
Consult the fault finding guide in the operation manual.
Carry out an internal DSC test as per the operational manual
What does DC Stands for ?
Data Code
Direct Current
Data Circuit
Data Current
How should the signal from a Search Rescue Radar Transponder appear on a radar display ?
A series of 12 equally spaced dots
A Series of dashes
A Series of spirals all originating from the range and bearing of the SART
A series of twenty dashes
Which device provides the means in the GMDSS for locating ships in Distress, or their Survival craft ?
VHF homing devices
Radio direction finders
Satellite EPIRB's
MF'HF DSCs
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