MMSI 518873000 · Call sign E5U2820
Not yet on Master's MateRV WHALE SONG, a vessel on the Cook Islands registry, measures 28 metres on deck. Below, she has a 8-metre beam. On AIS she shows as MMSI 518873000, call sign E5U2820, IMO 8979908. Add RV WHALE SONG to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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 RV WHALE SONG on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.