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.
Tug
ARCTIC DAWN
MMSI 367309430 · Call sign WDN5235
Not yet on Master's MateType
Tug
Flag
USALength
40 m
Beam
12 m
Draft
6.1 m
Call sign
WDN5235
IMO
7404047
Official No.
567630
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
ARCTIC DAWN flies the American flag — a 40-metre harbour tug. Below, she has a beam measuring 12 metres and a draft of 6.1 m. Her registration reads MMSI 367309430, call sign WDN5235, IMO 7404047. There's a place for ARCTIC DAWN on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like ARCTIC DAWN.
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
Last known position · Jun 4, 2026
Position
39.2092° N, 76.5822° W
Working Chesapeake Bay? You're never out there alone.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ARCTIC DAWN 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 ARCTIC DAWN and switch it all on
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About ARCTIC DAWN
What kind of vessel is ARCTIC DAWN?
ARCTIC DAWN is a Tug flagged to United States of America.
Where was ARCTIC DAWN last seen?
ARCTIC DAWN was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is ARCTIC DAWN's MMSI?
ARCTIC DAWN's MMSI is 367309430. Call sign WDN5235. IMO 7404047.
How big is ARCTIC DAWN?
ARCTIC DAWN is about 40 m long, 12 m on the beam, drawing 6.1 m.
Is ARCTIC DAWN on the Master's Mate Safety Initiative Network?
Not yet. If ARCTIC DAWN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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