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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.
Commercial Fishing Vessel

Horizon

MMSI 367550270 · Call sign WDG5787

Not yet on Master's Mate
Type
Commercial Fishing Vessel
Flag
USAUSA
Length
12.8 m
Beam
4.4 m
Draft
2.3 m
Call sign
WDG5787
Official No.
943645
AIS reports
1

On the American registry, Horizon is a 12.8-metre fishing boat. She has a beam measuring 4.4 metres and a draft of 2.3 m. She's on record as MMSI 367550270, call sign WDG5787. Put Horizon on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

Free forever · No credit card · for working captains

Know where the fleet is. Get Horizon home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever Horizon 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 working captains

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Horizon 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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 Horizon and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Horizon

What kind of vessel is Horizon?
Horizon is a Commercial Fishing Vessel flagged to United States of America.
What is Horizon's MMSI?
Horizon's MMSI is 367550270. Call sign WDG5787.
How big is Horizon?
Horizon is about 12.8 m long, 4.4 m on the beam, drawing 2.3 m.
Is Horizon on the Master's Mate Safety Initiative Network?
Not yet. If Horizon is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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