QUESTIONS AND CORRECT ANSWERS
What is the fundamental concept of the GMDSS? [1-12B1]CORRECT ANSWERS✅✅It is
intended to automate and improve emergency communications in the maritime industry.
Correct!
GMDSS is primarily a system based on? [1-12B4]CORRECT ANSWERS✅✅The linking of
search and rescue authorities ashore with shipping in the immediate vicinity of a ship in
Distress or in need of assistance. Correct!
What is the responsibility of vessels under GMDSS? [1-12B5]CORRECT
ANSWERS✅✅Every ship is able to perform those communications functions that are
essential for the Safety of the ship itself and of other ships. Correct!
What is Distress traffic? [1-10B6]CORRECT ANSWERS✅✅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. Correct!
What is a Distress communication? [1-10B3]CORRECT ANSWERS✅✅An internationally
recognized communication indicating that the sender is threatened by grave and imminent
danger and requests immediate assistance. Correct!
What information must be included in a Distress message? [1-10B1]CORRECT
ANSWERS✅✅Name of vessel, location, type of distress and specifics of help requested
The radiotelephone Distress call and message consists of: [1-10B5]CORRECT
ANSWERS✅✅MAYDAY spoken three times, followed by the name of the vessel and the
call sign in phonetics spoken three times, Particulars of its position, latitude and longiutde,
and other informatino which may facilitate rescue, such as length, color, type of vessel, and
number of persons on board, nature of distress and kind of assistance required
What are the highest priority communications from ships at sea? [1-10B2]CORRECT
ANSWERS✅✅Distress calls are highest and then communications preceded by Urgency
and then Safety signals. Correct!
,What is the order of priority of radiotelephone communications in the maritime services? [1-
10B4]CORRECT ANSWERS✅✅Distress calls and signals, followed by communications
preceded by Urgency and Safety signals and all other communications. Correct!
What is the basic concept of GMDSS? [1-12B3]CORRECT ANSWERS✅✅Shoreside
authorities and vessels can assist in a coordinated SAR operation with minimum delay.
Search and rescue authorities ashore can be alerted to a Distress situation, Shipping in the
immediate vicinity of a ship in Distress will be rapidly alerted.
Radiotelephone stations required to keep logs of their transmissions must include: [1-
5A1]d=CORRECT ANSWERS✅✅Station, date, and time, name of operator on duty, station
call signs with which communication took place
Where should the GMDSS radio log be kept on board ship? [1-5A3]CORRECT
ANSWERS✅✅At the GMDSS operating position. Correct!
Which of the following logkeeping statements is true? [1-5A5]CORRECT
ANSWERS✅✅Entries relating to pre-voyage, pre-departure and daily tests are required, A
summary of all required Distress communications heard and Urgency communications
affecting the station's own ship. Also, all Safety communications (other than VHF) affecting
the station's own ship must be logged.
In the International Phonetic Alphabet, the letters E, M, and S are represented by the words:
[1-9B6]CORRECT ANSWERS✅✅Echo, Mike, Sierra Correct!
With what other stations may portable survival craft transceivers communicate? [1-
23D3]CORRECT ANSWERS✅✅between survival craft, ship and rescue unit
Equipment for radiotelephony use in survival craft stations under GMDSS must have what
characteristic(s)? [1-23D5]CORRECT ANSWERS✅✅Operation on ch. 16, water-tight,
permanently-affixed antenna
Which statement is NOT true regarding the requirements of survival craft portable two-way
VHF radiotelephone equipment? [1-23D1]CORRECT ANSWERS✅✅Operates simplex on
Ch-70 and at least one other channel. Correct!
, What is the minimum power of the SCT [1-23D6]CORRECT ANSWERS✅✅One watt.
Correct!
Equipment for radiotelephony use in survival craft stations under GMDSS must have what
capability? [1-23D4]CORRECT ANSWERS✅✅Operation on Ch-16. Correct!
Which statement is NOT true regarding the requirements of survival craft portable two-way
VHF radiotelephone equipment? [1-23D2]CORRECT ANSWERS✅✅Operation on Ch-13.
Correct!
What is the meaning of "Reserve Source of Energy"? [1-20D6]CORRECT
ANSWERS✅✅The supply of electrical energy sufficient to operate the radio installations
for the purpose of conducting Distress and Safety communications in the event of failure of
the ship's main and emergency sources of electrical power. Correct!
What are the characteristics of the Reserve Source of Energy under GMDSS? [1-
20D2]CORRECT ANSWERS✅✅Must be independent of the ship's electrical system when
the RSE is needed to supply power to the GMDSS equipment. Correct!
Which of the following terms is defined as a back-up power source that provides power to
radio installations for the purpose of conducting Distress and Safety communications when
the vessel's main and emergency generators cannot? [1-20D3]CORRECT
ANSWERS✅✅Reserve Source of Energy. Correct!
In the event of failure of the main and emergency sources of electrical power, what is the
term for the source required to supply the GMDSS console with power for conducting
distress and other radio communications? [1-20D4]CORRECT ANSWERS✅✅Reserve
source of energy. Correct!
What is the requirement for emergency and reserve power in GMDSS radio installations? [1-
20D5]CORRECT ANSWERS✅✅All newly constructed ships under GMDSS must have
both emergency and reserve power sources for radio communications. Correct!
For a small passenger vessel inspection, reserve power batteries must be tested: [1-
20D1]CORRECT ANSWERS✅✅At intervals not exceeding 12 months, or during the
inspection. Correct!