MMSI 235080485 · Call sign 2DNI2
Not yet on Master's MateOn the British registry, ATHOS is a 63-metre sailing boat. She has a beam measuring 11 metres and a draft of 3.7 m. Officially she's MMSI 235080485, call sign 2DNI2, IMO 9553684. Claim ATHOS free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put ATHOS on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.