Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Vessel
BOTTOM LINE
MMSI 366710390 · Call sign WCW2353
Not yet on Master's MateFlag
USACall sign
WCW2353
Official No.
938406
AIS reports
1
BOTTOM LINE is an American boat. On AIS she shows as MMSI 366710390, call sign WCW2353. The Master's Mate Safety Initiative Network welcomes BOTTOM LINE — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is BOTTOM LINE your boat?
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
Wherever BOTTOM LINE roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BOTTOM LINE on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim BOTTOM LINE and switch it all on
Free to join · nothing to install to start · cancel anytime
About BOTTOM LINE
What kind of vessel is BOTTOM LINE?
BOTTOM LINE is a vessel flagged to United States of America.
What is BOTTOM LINE's MMSI?
BOTTOM LINE's MMSI is 366710390. Call sign WCW2353.
Is BOTTOM LINE on the Master's Mate Safety Initiative Network?
Not yet. If BOTTOM LINE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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