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.

Unclassified

HARBOR HORSE

U.S. Official No. 1078569

Not yet on Master's Mate

Type

Unclassified

Flag

USA

Length

15.2 m

Beam

7.3 m

Draft

0.9 m

First reported

Jun 2026

AIS reports

HARBOR HORSE is an American vessel, 15.2 metres on deck. Her hull carries 7.3 metres in the beam and a draft measuring 0.9 metres. On the registers she's U.S. official number 1078569. It's free to add HARBOR HORSE to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card

Is HARBOR HORSE 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.

Claim this boat — free →

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

Wherever HARBOR HORSE 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

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

Joining the Safety Initiative Network doesn't just put HARBOR HORSE 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 HARBOR HORSE and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About HARBOR HORSE

What kind of vessel is HARBOR HORSE?

HARBOR HORSE is a Unclassified flagged to United States of America.

What is HARBOR HORSE's U.S. Official No.?

HARBOR HORSE's U.S. Official No. is 1078569.

How big is HARBOR HORSE?

HARBOR HORSE is about 15.2 m long, 7.3 m on the beam, drawing 0.9 m.

Is HARBOR HORSE on the Master's Mate Safety Initiative Network?

Not yet. If HARBOR HORSE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).