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
ZALIV PROSTOR
MMSI 273453980 · Call sign UBUS8
Not yet on Master's MateType
Cargo
Flag
RUSLength
136 m
Beam
20 m
Draft
6.7 m
Call sign
UBUS8
IMO
9196369
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
29
ZALIV PROSTOR, a cargo vessel under the Russian flag, measures 136 metres on deck. She carries a beam of 20 m and a 6.7-metre draft. On the registers she's MMSI 273453980, call sign UBUS8, IMO 9196369. Add ZALIV PROSTOR to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on ZALIV PROSTOR, 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 3, 2026
Position
34.7734° N, 128.9758° E
Transiting the Sea of Japan? 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 ZALIV PROSTOR 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 ZALIV PROSTOR and switch it all on
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About ZALIV PROSTOR
What kind of vessel is ZALIV PROSTOR?
ZALIV PROSTOR is a Cargo flagged to Russia.
Where was ZALIV PROSTOR last seen?
ZALIV PROSTOR was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ZALIV PROSTOR's MMSI?
ZALIV PROSTOR's MMSI is 273453980. Call sign UBUS8. IMO 9196369.
How big is ZALIV PROSTOR?
ZALIV PROSTOR is about 136 m long, 20 m on the beam, drawing 6.7 m.
Is ZALIV PROSTOR on the Master's Mate Safety Initiative Network?
Not yet. If ZALIV PROSTOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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