GMDSS: Element 7

1. A The reserve sources of energy need to supply independent MF and HF radio installations at the same time.
2. B 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.
3. C 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.
4. D 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.

Tip: press A-D to answer