| What is the responsibility of vessels under GMDSS? |
| A) Vessels over 300 gross tons may be required to render assistance if such assistance does not adversely affect their port schedule. |
| B) Only that vessel, regardless of size, closest to a vessel in Distress, is required to render assistance. |
| C) Every ship is able to perform those communications functions that are essential for the safety of the ship itself and of other ships. |
| D) Vessels operating under GMDSS, outside of areas effectively serviced by shoreside authorities, operating in sea areas A2, and A4 may be required to render assistance in Distress situations. |
