MMSI 366780730 · Call sign WCZ7792
Not yet on Master's MateTOPAZ flies the American flag — an 11-metre pleasure boat. She has a beam measuring 3.1 metres and a draft measuring 2.6 metres. Find her under MMSI 366780730, call sign WCZ7792. TOPAZ is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put TOPAZ on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.