All messages relative to the immediate assistance required by a ship, aircraft or other vehicle threatened by grave or imminent danger, such as life and safety of persons on board, or man overboard. (94% chose this)
In radiotelephony, the speaking of the word, “Mayday.” (2% chose this)
Health and welfare messages concerning property and the safety of a vessel. (2% chose this)
Internationally recognized communications relating to important situations. (2% chose this)
Which is true concerning a required watch on VHF Ch-16?
It is compulsory at all times while at sea until further notice, unless the vessel is in a VTS system. (14% chose this)
When a vessel is in an A1 sea area and subject to the Bridge-to-Bridge act and in a VTS system, a watch is not required on Ch-16, provided the vessel monitors both Ch-13 and VTS channel. (8% chose this)
It is always compulsory in sea areas A2, A3 and A4. (7% chose this)
What is the responsibility of vessels under GMDSS?
Vessels over 300 gross tons may be required to render assistance if such assistance does not adversely affect their port schedule. (10% chose this)
Only that vessel, regardless of size, closest to a vessel in Distress, is required to render assistance. (6% chose this)
Every ship is able to perform those communications functions that are essential for the Safety of the ship itself and of other ships. (63% chose this)
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. (21% chose this)