ROC-M PRACTICE EXAM QUESTIONS AND VERIFIED
ANSWERS
What is GMDSS Stand FOr - Answers - Global Maritime Distress and Safety System
What are the advantages of the GMDSS over the old system of monitoring channel 16,
MF 2183khz or Morse Code on 500khz - Answers - enhances ship-shore
communications, provides rapid automated distress alerting, plus positional information.
It also provides two separate means to alert others of a distress situation.
On what vessels is it mandatory to caryy GMDSS equipment - Answers - -Large Cargo
ships
-Passenger ships on international voyagers or in the open sea
-Non-pleasure craft of closed construction more than 8 meters in length.
-Non-pleasure craft carrying more than 6 passengers
-Towering Vessels
Is GMDSS Equipment required on Pleasure Craft - Answers - No, but it is
recommended
With the Advent of GMDSS, will the coast guard continue to monitor VHF Channel 16 -
Answers - Yes, for the foreseeable future
Are Vessels that must have GMDSS equipment required to monitor channel 16 -
Answers - no, but they do need to monitor channel 70 and mf 2187.5
What is the difference between a category 1 and category 2 EPIRB - Answers -
Category 1 activates automatically after submerged in 1 m of water. category 2 is only
manual
Can a portable VHF radio be used ashore - Answers - Yes, only for listening
You send out a distress call, and provide your name. What is the next most important
information you should provide: - Answers - your position in latitude and longitude, if
using dsc have it patched into your gps system
How Many Watts should you use when transmitting in a habour - Answers - 1 watt or
low power
When should you monitor channel 16 - Answers - always when you are not currently
communicating
, can you make ship to shore communications using a duplex channel? - Answers - no,
you would need a sister duplex channel in the ashore radio
what authority is responsible for MMSI number - Answers - Industry Canada
A station calling a MMSI number begining with 003 is likely associated with what
authority - Answers - canadian coast guard
what does dsc stand for - Answers - digital selective calling
who needs an MMSI number? - Answers - all vessels that have a dsc radio
list and describe the four digital sea areas under gmdss - Answers - 1. a distance from
shore where a vhf radio can pick up at least one shore station(20nm)
2. a distance from shore where a MF-DSC radio can pick up at least 1 shore station
(100nm)
3.Outside areas 1 and 2 from 70 n 70 s
5 north and south plar regions
what channel should you use to call a radio check - Answers - channel 26 for CGC and
channel 16, but only for initial contact, do not do the full test on channel 16
List prohibited radio uses and which is considered the most serious infraction - Answers
- -false distress (most serious)
-Operating a radio while under the influence
-use of profanity
-superfluous conversation
under what situations are you permitted to make a distress call - Answers - when you
are in grave and imminent danger
phonetically spell the following words - Answers - Student:
sierra,tango,uniform,delta,echo,november,tango
Explosion: Echo,x-ray,papa,lima,oscar,sierra,india,november
Megawatt: mike,echo,golf,alpha,whiskey,alpha,tango,tango
What words are spoken to identify that a safety messege is forthcoming - Answers -
securitie securite securite
On what VHF channel/mf do you provide safety information on - Answers - channel 06,
after initial call on channel 16
What is the maximum power output authorized for vhf radios - Answers - 25 watts
what radio sound notifies you of a distress call - Answers - warbling sound
ANSWERS
What is GMDSS Stand FOr - Answers - Global Maritime Distress and Safety System
What are the advantages of the GMDSS over the old system of monitoring channel 16,
MF 2183khz or Morse Code on 500khz - Answers - enhances ship-shore
communications, provides rapid automated distress alerting, plus positional information.
It also provides two separate means to alert others of a distress situation.
On what vessels is it mandatory to caryy GMDSS equipment - Answers - -Large Cargo
ships
-Passenger ships on international voyagers or in the open sea
-Non-pleasure craft of closed construction more than 8 meters in length.
-Non-pleasure craft carrying more than 6 passengers
-Towering Vessels
Is GMDSS Equipment required on Pleasure Craft - Answers - No, but it is
recommended
With the Advent of GMDSS, will the coast guard continue to monitor VHF Channel 16 -
Answers - Yes, for the foreseeable future
Are Vessels that must have GMDSS equipment required to monitor channel 16 -
Answers - no, but they do need to monitor channel 70 and mf 2187.5
What is the difference between a category 1 and category 2 EPIRB - Answers -
Category 1 activates automatically after submerged in 1 m of water. category 2 is only
manual
Can a portable VHF radio be used ashore - Answers - Yes, only for listening
You send out a distress call, and provide your name. What is the next most important
information you should provide: - Answers - your position in latitude and longitude, if
using dsc have it patched into your gps system
How Many Watts should you use when transmitting in a habour - Answers - 1 watt or
low power
When should you monitor channel 16 - Answers - always when you are not currently
communicating
, can you make ship to shore communications using a duplex channel? - Answers - no,
you would need a sister duplex channel in the ashore radio
what authority is responsible for MMSI number - Answers - Industry Canada
A station calling a MMSI number begining with 003 is likely associated with what
authority - Answers - canadian coast guard
what does dsc stand for - Answers - digital selective calling
who needs an MMSI number? - Answers - all vessels that have a dsc radio
list and describe the four digital sea areas under gmdss - Answers - 1. a distance from
shore where a vhf radio can pick up at least one shore station(20nm)
2. a distance from shore where a MF-DSC radio can pick up at least 1 shore station
(100nm)
3.Outside areas 1 and 2 from 70 n 70 s
5 north and south plar regions
what channel should you use to call a radio check - Answers - channel 26 for CGC and
channel 16, but only for initial contact, do not do the full test on channel 16
List prohibited radio uses and which is considered the most serious infraction - Answers
- -false distress (most serious)
-Operating a radio while under the influence
-use of profanity
-superfluous conversation
under what situations are you permitted to make a distress call - Answers - when you
are in grave and imminent danger
phonetically spell the following words - Answers - Student:
sierra,tango,uniform,delta,echo,november,tango
Explosion: Echo,x-ray,papa,lima,oscar,sierra,india,november
Megawatt: mike,echo,golf,alpha,whiskey,alpha,tango,tango
What words are spoken to identify that a safety messege is forthcoming - Answers -
securitie securite securite
On what VHF channel/mf do you provide safety information on - Answers - channel 06,
after initial call on channel 16
What is the maximum power output authorized for vhf radios - Answers - 25 watts
what radio sound notifies you of a distress call - Answers - warbling sound
