GMDSS: Element 7

1. A 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.
2. B The reserve sources of energy need to supply independent MF and HF radio installations at the same time.
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 an uninterrupted vessel position is required for the proper performance of a GMDSS console -- a means must be provided to ensure this happens in the event of failure of the main or emergency source of energy.

Tip: press A-D to answer