7-6A1 D
 Which of the following statements concerning maintenance requirements is FALSE?
A. 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.
B. 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.
C. Equipment warranties do not satisfy GMDSS maintenance requirements.
D. 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.
