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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.
Other
BLUE HERON
MMSI 366947250 · Call sign WCX7521
Not yet on Master's MateType
Other
Flag
USALength
27 m
Beam
8 m
Draft
4 m
Call sign
WCX7521
IMO
8511897
Official No.
690806
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
84
BLUE HERON flies the American flag — a 27-metre craft. Below, she has a 8-metre beam and a draft measuring 4 metres. Her papers read MMSI 366947250, call sign WCX7521, IMO 8511897. Claim BLUE HERON free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is BLUE HERON your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
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Live AIS position · Jun 9, 2026 18:07 UTC
Position
46.7126° N, 92.0462° W
Status
Moored
Speed
0.0 kn
Course
18°
Destination
SUPERIOR.WI
ETA
06-06 13:00 UTC
Crossing Lake Superior? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BLUE HERON on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim BLUE HERON and switch it all on
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About BLUE HERON
What kind of vessel is BLUE HERON?
BLUE HERON is a Other flagged to United States of America.
Where was BLUE HERON last seen?
BLUE HERON was last reported in Lake Superior in Jun 2026 on public AIS.
What is BLUE HERON's MMSI?
BLUE HERON's MMSI is 366947250. Call sign WCX7521. IMO 8511897.
How big is BLUE HERON?
BLUE HERON is about 27 m long, 8 m on the beam, drawing 4 m.
Is BLUE HERON on the Master's Mate Safety Initiative Network?
Not yet. If BLUE HERON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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