MMSI 368293360 · Call sign WDN5814
Not yet on Master's MateZEPHYR is an American boat. Officially she's MMSI 368293360, call sign WDN5814. Claim ZEPHYR free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put ZEPHYR on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.