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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.
Law Enforcement

MU23

MMSI 316023275 · Call sign MU23

Not yet on Master's Mate
Type
Law Enforcement
Flag
CANCAN
Length
10 m
Beam
4 m
Call sign
MU23
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
69

MU23, a Canadian craft, measures 10 metres on deck. Her hull carries a 4-metre beam. She's on record as MMSI 316023275, call sign MU23. Put MU23 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

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Is MU23 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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Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Last known position · Jun 4, 2026
Position
43.6369° N, 79.3833° W
Crossing Lake Ontario? 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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Joining the Safety Initiative Network doesn't just put MU23 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 MU23 and switch it all on
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Claim free → unlock everything

About MU23

What kind of vessel is MU23?
MU23 is a Law Enforcement flagged to Canada.
Where was MU23 last seen?
MU23 was last reported in Lake Ontario in Jun 2026 on public AIS.
What is MU23's MMSI?
MU23's MMSI is 316023275. Call sign MU23.
How big is MU23?
MU23 is about 10 m long, 4 m on the beam.
Is MU23 on the Master's Mate Safety Initiative Network?
Not yet. If MU23 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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