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 368025860 · Call sign WDJ9419

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

12.8 m

Beam

4.6 m

Draft

1.5 m

Call sign

WDJ9419

Official No.

1284451

Hull ID

SWT42016D718

AIS reports

Registered in the United States, Horizon is a 12.8-metre fishing trawler. Her hull carries a 4.6-metre beam and a draft measuring 1.5 metres. Find her under MMSI 368025860, call sign WDJ9419. Bring Horizon aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

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 368025860. Call sign WDJ9419.

How big is Horizon?

Horizon is about 12.8 m long, 4.6 m on the beam, drawing 1.5 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).