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.
Tank Ship
Polar Discovery
MMSI 369272000 · Call sign WACW
Not yet on Master's MateType
Tank Ship
Flag
USALength
272 m
Beam
46.2 m
Draft
25.3 m
Call sign
WACW
IMO
9206114
Official No.
1137026
AIS reports
3
An American tank vessel, Polar Discovery measures 272 metres. She's built with a beam of 46.2 m and a 25.3-metre draft. Find her under MMSI 369272000, call sign WACW, IMO 9206114. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — Polar Discovery included.
Free forever · No credit card · for commercial operators
Eyes on Polar Discovery, 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
Wherever Polar Discovery roams, 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 Discovery 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 Discovery and switch it all on
Free to join · nothing to install to start · cancel anytime
About Polar Discovery
What kind of vessel is Polar Discovery?
Polar Discovery is a Tank Ship flagged to United States of America.
What is Polar Discovery's MMSI?
Polar Discovery's MMSI is 369272000. Call sign WACW. IMO 9206114.
How big is Polar Discovery?
Polar Discovery is about 272 m long, 46.2 m on the beam, drawing 25.3 m.
Is Polar Discovery on the Master's Mate Safety Initiative Network?
Not yet. If Polar Discovery is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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