| Which statement 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) 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. |
| C) Compulsory vessels sailing in 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. |
| D) Equipment warranties do not satisfy GMDSS maintenance requirements. |
