Explanation: When a vessel is beyond the range of NAVTEX (which uses MF 518 kHz) and the Sat-C EGC system for receiving Maritime Safety Information (MSI) fails, the GMDSS operator must utilize the next available compliant method. High Frequency (HF) communications are used for long-range transmissions. HF Narrow-Band Direct Printing (NBDP) in the Forward Error Correction (FEC) TELEX mode is a designated GMDSS method for receiving MSI over long distances when other systems are unavailable. This ensures the vessel can still receive vital weather, navigation, and other safety broadcasts. Options B and D are incorrect because 518 kHz is the NAVTEX frequency, and the problem explicitly states the vessel is *beyond range* of NAVTEX broadcasts. Option C is incorrect because waiting for repairs or to re-enter range is not an acceptable GMDSS procedure; the operator must take immediate action to ensure continuous receipt of MSI.