What should the GMDSS Radio Operator consult to review the proper procedures to be followed in Distress situations under GMDSS?

Correct Answer: Option D — Part 80, Subpart W of the FCC Rules and Regulations.

47 CFR Part 80, Subpart W, specifically details the operational requirements for GMDSS-equipped vessels. This subpart outlines the mandatory procedures for distress, urgency, and safety communications, including DSC alerting protocols and the specific duties of the radio operator during emergency situations to ensure compliance with international GMDSS standards.