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
Hav Grouper
MMSI 304633000
Not yet on Master's MateFlag
ATGLength
88 m
IMO
9001837
AIS reports
2
Hav Grouper, a vessel hailing from Antigua and Barbuda, measures 88 metres on deck. Look for MMSI 304633000, IMO 9001837. Bring Hav Grouper aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card
Is Hav Grouper 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
Live AIS position · Jun 9, 2026 21:56 UTC
Position
41.1906° N, 8.6921° W
Status
Moored
Speed
0.0 kn
Course
272°
Destination
LEIXOES
ETA
06-08 19:15 UTC
Wherever Hav Grouper 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 Hav Grouper 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 Hav Grouper and switch it all on
Free to join · nothing to install to start · cancel anytime
About Hav Grouper
What kind of vessel is Hav Grouper?
Hav Grouper is a vessel flagged to Antigua and Barbuda.
What is Hav Grouper's MMSI?
Hav Grouper's MMSI is 304633000. IMO 9001837.
How big is Hav Grouper?
Hav Grouper is about 88 m long.
Is Hav Grouper on the Master's Mate Safety Initiative Network?
Not yet. If Hav Grouper is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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