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.

Towing Vessel

HORACE

MMSI 366908140 · Call sign WDB5304

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

26.7 m

Beam

9 m

Draft

3.4 m

Call sign

WDB5304

IMO

6504838

Official No.

295836

AIS reports

Out of the United States, HORACE is a 26.7-metre service vessel. She's built with a beam measuring 9 metres and a 3.4 m draft. Her registration reads MMSI 366908140, call sign WDB5304, IMO 6504838. HORACE belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

Free forever · No credit card · for working boats

Built for boats that work — like HORACE.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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

Wherever HORACE 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 boats

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

Joining the Safety Initiative Network doesn't just put HORACE on the map. It hands you the full bridge:

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

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.

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 HORACE and switch it all on

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About HORACE

What kind of vessel is HORACE?

HORACE is a Towing Vessel flagged to United States of America.

What is HORACE's MMSI?

HORACE's MMSI is 366908140. Call sign WDB5304. IMO 6504838.

How big is HORACE?

HORACE is about 26.7 m long, 9 m on the beam, drawing 3.4 m.

Is HORACE on the Master's Mate Safety Initiative Network?

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