All questions
Licensing

A boat has a ship radio licence and an MMSI. What separate thing does the operator still need for normal SRC-covered operation?

Short answer

A personal operator qualification such as the SRC

The ship or portable radio licence authorises equipment and identities. The SRC is about the operator's competence.

Quick check

A boat has a ship radio licence and an MMSI. What separate thing does the operator still need for normal SRC-covered operation?