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.
Cargo
SIRIUS
MMSI 273313950 · Call sign UHVP
Not yet on Master's MateType
Cargo
Flag
RUSLength
78 m
Beam
12 m
Draft
5.4 m
Call sign
UHVP
IMO
7700099
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
24
SIRIUS is a Russian 78-metre cargo ship. She carries a beam of 12 m and a 5.4 m draft. She's listed under MMSI 273313950, call sign UHVP, IMO 7700099. It's free to add SIRIUS to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for commercial operators
Eyes on SIRIUS, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
77.5116° N, 14.6412° E
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.
Free with your claim · for commercial operators
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:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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
Free to join · nothing to install to start · cancel anytime
About SIRIUS
What kind of vessel is SIRIUS?
SIRIUS is a Cargo flagged to Russia.
Where was SIRIUS last seen?
SIRIUS was last reported in around 78°N 15°E in Jun 2026 on public AIS.
What is SIRIUS's MMSI?
SIRIUS's MMSI is 273313950. Call sign UHVP. IMO 7700099.
How big is SIRIUS?
SIRIUS is about 78 m long, 12 m on the beam, drawing 5.4 m.
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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