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
POLAR LADY
MMSI 314784000 · Call sign 8PRO4
Not yet on Master's MateType
Cargo
Flag
BRBLength
225 m
Beam
32 m
Draft
14.3 m
Call sign
8PRO4
IMO
9438614
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
POLAR LADY is a 225-metre merchant vessel flying the flag of Barbados. She's built with 32 metres in the beam and a 14.3 m draft. She broadcasts as MMSI 314784000, call sign 8PRO4, IMO 9438614. Give POLAR LADY 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 POLAR LADY, 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
34.6273° N, 129.1753° 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 POLAR LADY 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 POLAR LADY and switch it all on
Free to join · nothing to install to start · cancel anytime
About POLAR LADY
What kind of vessel is POLAR LADY?
POLAR LADY is a Cargo flagged to Barbados.
Where was POLAR LADY last seen?
POLAR LADY was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is POLAR LADY's MMSI?
POLAR LADY's MMSI is 314784000. Call sign 8PRO4. IMO 9438614.
How big is POLAR LADY?
POLAR LADY is about 225 m long, 32 m on the beam, drawing 14.3 m.
Is POLAR LADY on the Master's Mate Safety Initiative Network?
Not yet. If POLAR LADY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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