Where would you find the "call sign" or...

🔍 Key Concepts

• Call sign / call letters are issued by a communications authority (like the FCC in the U.S.), not by the vessel owner • Difference between safety / inspection documents and radio licensing documents • Which document is specifically about the vessel’s radio equipment and authorization to transmit

💭 Think About

• Look at each choice and ask: which one is issued to authorize and identify the ship’s radio station itself? • Which document would a radio operator check when filling out radio logs or making a formal distress call that requires the official call sign? • Which documents are primarily about personnel, safety procedures, or hull inspection rather than radio licensing?

✅ Before You Answer

• Identify which option is a radio station authorization/license document, not a safety or crew document • Eliminate any choice that mainly covers hull/rig inspection or general safety procedures • Confirm which document is used when registering or updating radio equipment and station identification on the vessel/rig

Where would you find the "call sign" or "call letters" of the radio station on your rig?

On the rig Watch Bill

On the Certificate of Inspection

On the Ship Station License

In the rig safety manual