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Subel. C
6 questions
Element 7 (Valid until Apr 6, 2022)
Subelement C
F.C.C. Rules & Regulations:
Section 17
Reserve Source of Energy:
Which statement is false regarding the GMDSS requirement for ship sources of energy?
  • Correct Answer
    The reserve sources of energy need to supply independent MF and HF radio installations at the same time.
  • At all times while the vessel is at sea, a sufficient supply of electrical energy to operate the radio installations and charge any batteries which may be part of the reserve source of energy is required.
  • An uninterruptible power supply or other means of ensuring a continuous supply of electrical power to all GMDSS equipment that could be affected by normal variations and interruptions of ship's power is required.
  • If a vessel's position is constantly required for the proper performance of a GMDSS station, provisions must be made to ensure position information is uninterrupted if the ship's source of main or emergency energy fails.

Which statement is FALSE regarding the GMDSS requirement for ship sources of energy?

(A). The reserve sources of energy need to supply independent MF and HF radio installations at the same time.

These are the requirements:

  • At all times while the vessel is at sea, a sufficient supply of electrical energy to operate the radio installations and charge any batteries which may be part of the reserve source of energy is required.

  • An uninterruptible power supply or other means of ensuring a continuous supply of electrical power to all GMDSS equipment that could be affected by normal variations and interruptions of ship's power is required.

  • If a vessel's position is constantly required for the proper performance of a GMDSS station, provisions must be made to ensure position information is uninterrupted if the ship's source of main or emergency energy fails.

For more info, see Code of Federal Regulations, Title 47 Chapter I Subchapter D Part 80 Subpart W Equipment Requirements for Ship Stations § 80.1099 § 80.1099 Ship sources of energy.

Also good info is on US Coast Guard article, GMDSS reserve sources of power

Last edited by markadlerdallas. Register to edit

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What is the meaning of "Reserve Source of Energy"?
  • High caloric value items for lifeboat, per SOLAS regulations.
  • Correct Answer
    Power to operate the radio installation and conduct Distress and Safety communications in the event of failure of the ship's main and emergency sources of electrical power.
  • Diesel fuel stored for the purpose of operating the powered survival craft for a period equal to or exceeding the U.S.C.G. and SOLAS requirements.
  • The diesel fueled emergency generator that supplies AC to the vessel's Emergency power bus.

What is the meaning of "Reserve Source of Energy"?

(B). Power to operate the radio installation and conduct Distress and Safety communications in the event of failure of the ship's main and emergency sources of electrical power.

For more info, please see US Coast Guard article on GMDSS reserve sources of power

For more info, see Code of Federal Regulations, Title 47 Chapter I Subchapter D Part 80 Subpart W Equipment Requirements for Ship Stations § 80.1099 § 80.1099 Ship sources of energy.

Last edited by markadlerdallas. Register to edit

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Which term describes the source of energy required to supply the GMDSS console with power if the ship's source of main or emergency energy fails?
  • Emergency power
  • Ship's emergency diesel generator
  • Correct Answer
    Reserve Source of Energy
  • Ship's standby generator

Which term describes the source of energy required to supply the GMDSS console with power if the ship's source of main or emergency energy fails?

(C). Reserve Source of Energy

The energy which will allow operation of on-board radio equipment during Distress or Safety calls. The energy supply is to exist to be used when normal power generating equipment fails.

For more info, see Code of Federal Regulations, Title 47 Chapter I Subchapter D Part 80 Subpart W Equipment Requirements for Ship Stations § 80.1099 § 80.1099 Ship sources of energy.

Also good info is on US Coast Guard article, GMDSS reserve sources of power

Last edited by markadlerdallas. Register to edit

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What characteristics describe the GMDSS Reserve Source of Energy (RSE)?
  • Supplies independent HF and MF installations at the same time.
  • Cannot be independent of the propelling power of the ship.
  • Must be incorporated into the ship's electrical system.
  • Correct Answer
    Must be independent of the ship's electrical system when the RSE is needed to supply power to the GMDSS equipment.

What characteristics describe the GMDSS Reserve Source of Energy (RSE)

(D). Must be independent of the ship's electrical system when the RSE is needed to supply power to the GMDSS equipment.

The energy which will allow operation of on-board radio equipment during Distress or Safety calls. The energy supply is to exist to be used when normal power generating equipment fails.

For more info, please see US Coast Guard article on GMDSS reserve sources of power

For more info, see Code of Federal Regulations, Title 47 Chapter I Subchapter D Part 80 Subpart W Equipment Requirements for Ship Stations § 80.1099 § 80.1099 Ship sources of energy.

Last edited by markadlerdallas. Register to edit

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What is the requirement for emergency and reserve power in GMDSS radio installations?
  • Correct Answer
    Compulsory ships must have emergency and reserve power sources for radio communications.
  • An emergency power source for radio communications is not required if a vessel has proper reserve power (batteries).
  • A reserve power source is not required for radio communications.
  • Only one of the above is required if a vessel is equipped with a second 406 EPIRB as a backup means of sending a Distress alert.

What is the requirement for emergency and reserve power in GMDSS radio installations?

(A). Compulsory ships must have emergency and reserve power sources for radio communications.

The energy which will allow operation of on-board radio equipment during Distress or Safety calls. The energy supply is to exist to be used when normal power generating equipment fails.

For more info, see Code of Federal Regulations, Title 47 Chapter I Subchapter D Part 80 Subpart W Equipment Requirements for Ship Stations § 80.1099 § 80.1099 Ship sources of energy.

Also good info is on US Coast Guard article, GMDSS reserve sources of power

Last edited by markadlerdallas. Register to edit

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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?
  • Emergency Diesel Generator (EDG)
  • Correct Answer
    Reserve Source of Energy (RSE)
  • Reserve Source of Diesel Power (RSDP)
  • Emergency Back-up Generator (EBG)

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?

(B). Reserve Source of Energy

The energy which will allow operation of on-board radio equipment during Distress or Safety calls. The energy supply is to exist to be used when normal power generating equipment fails.

For more info, please see US Coast Guard article on GMDSS reserve sources of power

Last edited by markadlerdallas. Register to edit

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