Which of the following statements concerning maintenance requirements is FALSE?

Compulsory vessels sailing in Sea Areas A1 and A2 must provide any one of the three maintenance options which are: duplication of equipment, shore-based, or at-sea maintenance capability.

Compulsory vessels sailing in Sea Areas A3 and A4 must provide any two of the three maintenance options which: are duplication of equipment, shore-based, or at-sea maintenance capability.

Equipment warranties do not satisfy GMDSS maintenance requirements.

If shore-based maintenance is used, maintenance services do not have to be completed or performance verified unless the vessel will be sailing to a non-US port.

Which of the following statements concerning...