MMSI 367738870 · Call sign WDM9803
Not yet on Master's MateRegistered in the United States, Copper Coin is a 17.4-metre private vessel. She has a beam of 5.1 m and a draft of 2 m. She's listed under MMSI 367738870, call sign WDM9803. Copper Coin can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
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 Copper Coin on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.