When the GMDSS Radio Operator on watch hears "SECURITE" spoken three times, he can expect to receive the following information:

Correct Answer: Option A — Message concerning the safety of navigation or important meteorological warnings.

The spoken radiotelephone safety signal "Securite" indicates that the transmitting station is about to deliver an important navigational or meteorological warning. Under IMO and ITU radio regulations, operators must maintain a listening watch on designated frequencies for these crucial safety messages.