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
Alpha Grace
MMSI 538009148
Not yet on Master's MateFlag
MHLLength
292 m
IMO
9479888
AIS reports
2
Out of the Marshall Islands, Alpha Grace is a 292-metre craft. On AIS she shows as MMSI 538009148, IMO 9479888. Add Alpha Grace to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card
Is Alpha Grace 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 Alpha Grace 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 Alpha Grace 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 Alpha Grace and switch it all on
Free to join · nothing to install to start · cancel anytime
About Alpha Grace
What kind of vessel is Alpha Grace?
Alpha Grace is a vessel flagged to Marshall Islands.
What is Alpha Grace's MMSI?
Alpha Grace's MMSI is 538009148. IMO 9479888.
How big is Alpha Grace?
Alpha Grace is about 292 m long.
Is Alpha Grace on the Master's Mate Safety Initiative Network?
Not yet. If Alpha Grace is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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