MMSI 368243590 · Call sign WDM8475
Not yet on Master's MateBlavalen is an American 12.8-metre private cruiser. Below, she has a 4.3-metre beam and a draft measuring 2.4 metres. On the registers she's MMSI 368243590, call sign WDM8475. There's a place for Blavalen on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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 Blavalen on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.