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
SEA BEIJING
MMSI 538004438 · Call sign V7XB3
Not yet on Master's MateType
Cargo
Flag
MHLLength
361 m
Beam
65 m
Draft
13.1 m
Call sign
V7XB3
IMO
9575448
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
76
SEA BEIJING, a Marshall Islands cargo carrier, measures 361 metres on deck. She's built with a beam measuring 65 metres and a 13.1-metre draft. On AIS she shows as MMSI 538004438, call sign V7XB3, IMO 9575448. Give SEA BEIJING 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 SEA BEIJING, 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
1.2229° N, 103.5094° E
Transiting the Strait of Malacca? 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 SEA BEIJING 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 SEA BEIJING and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEA BEIJING
What kind of vessel is SEA BEIJING?
SEA BEIJING is a Cargo flagged to Marshall Islands.
Where was SEA BEIJING last seen?
SEA BEIJING was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is SEA BEIJING's MMSI?
SEA BEIJING's MMSI is 538004438. Call sign V7XB3. IMO 9575448.
How big is SEA BEIJING?
SEA BEIJING is about 361 m long, 65 m on the beam, drawing 13.1 m.
Is SEA BEIJING on the Master's Mate Safety Initiative Network?
Not yet. If SEA BEIJING is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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