To operate a marine VHF/MF/HF radio you need the license from a national authority.
Normally, holder of the certificate from one country can operate the radio internationally.
Canadian Federal Government issued license is called "Restricted Operator Certificate ─ Maritime" (ROC-M) intended for non-commercial boaters.
The license includes DSC Endorsement!
All charter boats are equipped with a marine radio station (and most private yachts), hence at least one person aboard must hold ROC-M or equivalent.
For those more familiar with European boating regulations, ROC-M is equivalent to RYA "Short Ragne Certificate".
The course duration is approximatelly ten hours, eight for teaching and two hours for examination.
The exam consists of the written test (multiple choices) and oral test.
To pass you must have at least 70% answers correct and be fluent in radio communication procedures and phonetic alphabet.