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
RZK CONSTANTA
MMSI 273148510 · Call sign UHRA
Not yet on Master's MateType
Cargo
Flag
RUSLength
133 m
Beam
20 m
Draft
6.5 m
Call sign
UHRA
IMO
8711289
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
8
RZK CONSTANTA, a Russian freighter, measures 133 metres on deck. Her hull carries a 20-metre beam and a draft of 6.5 m. Officially she's MMSI 273148510, call sign UHRA, IMO 8711289. Give RZK CONSTANTA the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on RZK CONSTANTA, 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
54.9251° N, 19.9009° E
Transiting the Baltic Sea? 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 RZK CONSTANTA 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 RZK CONSTANTA and switch it all on
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About RZK CONSTANTA
What kind of vessel is RZK CONSTANTA?
RZK CONSTANTA is a Cargo flagged to Russia.
Where was RZK CONSTANTA last seen?
RZK CONSTANTA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is RZK CONSTANTA's MMSI?
RZK CONSTANTA's MMSI is 273148510. Call sign UHRA. IMO 8711289.
How big is RZK CONSTANTA?
RZK CONSTANTA is about 133 m long, 20 m on the beam, drawing 6.5 m.
Is RZK CONSTANTA on the Master's Mate Safety Initiative Network?
Not yet. If RZK CONSTANTA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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