If your vessel has suffered a casualty severe enough to disable both ship's power and the GMDSS console RSE you should:

Question

Accepted Answer

Activate the EPIRB and/or use the SCT to make a "Mayday" call on Ch-16.

Answer

Use UHF Transceivers to contact other vessels.

Answer

Activate the EPIRB and/or use the SCT to make a "Mayday" call on Ch-70.

Answer

Make a "Mayday" call on Ch-70 and Ch-06 using the Survival Craft Transceiver.

🔍 Key Concepts