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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.
Towing Vessel
POLARIS
MMSI 367635000 · Call sign WDM5501
Not yet on Master's MateType
Towing Vessel
Flag
USALength
31.9 m
Beam
11.6 m
Draft
5.6 m
Call sign
WDM5501
Official No.
516256
AIS reports
3
Registered in the United States, POLARIS is a 31.9-metre work boat. Below, she has 11.6 metres in the beam and a draft measuring 5.6 metres. On the registers she's MMSI 367635000, call sign WDM5501. Join POLARIS to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like POLARIS.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 07:41 UTC
Position
30.0891° N, 81.2736° W
Status
Under way (engine)
Speed
6.5 kn
Course
347°
Destination
US^0YWB>10J3
ETA
03-01 13:47 UTC
Working the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put POLARIS on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 POLARIS and switch it all on
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About POLARIS
What kind of vessel is POLARIS?
POLARIS is a Towing Vessel flagged to United States of America.
Where was POLARIS last seen?
POLARIS was last reported in the Gulf of Mexico on public AIS.
What is POLARIS's MMSI?
POLARIS's MMSI is 367635000. Call sign WDM5501.
How big is POLARIS?
POLARIS is about 31.9 m long, 11.6 m on the beam, drawing 5.6 m.
Is POLARIS on the Master's Mate Safety Initiative Network?
Not yet. If POLARIS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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