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.
Other
SIRIUS
Other · last seen 50°N 8°E · Jun 2026 · MMSI 211517450 · Call sign DA4973
Not yet on Master's MateType
Other
Length
72 m
Beam
9 m
Call sign
DA4973
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
SIRIUS is a 72-metre craft. Her hull carries a 9 m beam. On the registers she's MMSI 211517450, call sign DA4973. Sign SIRIUS up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is SIRIUS 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.
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Live AIS position · Jun 15, 2026 12:47 UTC
Position
49.6125° N, 8.4285° E
Status
Moored
Speed
0.0 kn
Course
360°
Destination
NAAR DE WALLETJES
Wherever SIRIUS roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SIRIUS 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 SIRIUS and switch it all on
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About SIRIUS
What kind of vessel is SIRIUS?
SIRIUS is a Other.
Where was SIRIUS last seen?
SIRIUS was last reported in around 50°N 8°E in Jun 2026 on public AIS.
What is SIRIUS's MMSI?
SIRIUS's MMSI is 211517450. Call sign DA4973.
How big is SIRIUS?
SIRIUS is about 72 m long, 9 m on the beam.
Is SIRIUS on the Master's Mate Safety Initiative Network?
Not yet. If SIRIUS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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