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 EXPLORER
MMSI 255916048 · Call sign CQ2477
Not yet on Master's MateType
Cargo
Flag
PRTLength
110 m
Beam
18 m
Draft
8.3 m
Call sign
CQ2477
IMO
9516155
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
31
SEA EXPLORER flies the Portuguese flag — an 110-metre cargo ship. She carries 18 metres in the beam and a 8.3 m draft. Look for MMSI 255916048, call sign CQ2477, IMO 9516155. SEA EXPLORER belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for commercial operators
Eyes on SEA EXPLORER, 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
59.2409° N, 22.1287° 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.
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 EXPLORER 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 EXPLORER and switch it all on
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About SEA EXPLORER
What kind of vessel is SEA EXPLORER?
SEA EXPLORER is a Cargo flagged to Portugal.
Where was SEA EXPLORER last seen?
SEA EXPLORER was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is SEA EXPLORER's MMSI?
SEA EXPLORER's MMSI is 255916048. Call sign CQ2477. IMO 9516155.
How big is SEA EXPLORER?
SEA EXPLORER is about 110 m long, 18 m on the beam, drawing 8.3 m.
Is SEA EXPLORER on the Master's Mate Safety Initiative Network?
Not yet. If SEA EXPLORER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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