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
GREBE
last seen 49°N 0°E · Jun 2026 · MMSI 227009630 · Call sign FJ4783
Not yet on Master's MateLength
13 m
Beam
4 m
Call sign
FJ4783
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
GREBE is a 13-metre vessel. She carries 4 metres in the beam. Her papers read MMSI 227009630, call sign FJ4783. Bring GREBE aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card
Is GREBE 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 16, 2026 10:05 UTC
Position
49.4837° N, 0.1244° E
Status
Under way (engine)
Speed
0.0 kn
Course
248°
Crossing the English Channel? 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 GREBE 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 GREBE and switch it all on
Free to join · nothing to install to start · cancel anytime
About GREBE
What kind of vessel is GREBE?
GREBE is a vessel.
Where was GREBE last seen?
GREBE was last reported in the English Channel in Jun 2026 on public AIS.
What is GREBE's MMSI?
GREBE's MMSI is 227009630. Call sign FJ4783.
How big is GREBE?
GREBE is about 13 m long, 4 m on the beam.
Is GREBE on the Master's Mate Safety Initiative Network?
Not yet. If GREBE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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