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.

Sailing

HORIZON

MMSI 244153446 · Call sign PG 4176

Not yet on Master's Mate

Type

Sailing

Flag

NLD

Length

15 m

Beam

4 m

Call sign

PG 4176

First reported

Apr 2026

Last reported

Jun 2026

AIS reports

113

HORIZON is a cruising boat under Dutch registration, 15 metres from stem to stern. She's built with a beam of 4 m. She broadcasts as MMSI 244153446, call sign PG 4176. It's free to add HORIZON 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 · for cruisers

Sleep easy on the hook aboard HORIZON.

GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.

Set her anchor watch — free →

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

Last known position · Jun 3, 2026

Track HORIZON live — sign up free →

Position

17.2929° N, 62.7249° W

Sailing the Caribbean? 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 cruisers

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:

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

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.

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 Sailing flagged to Netherlands.

Where was HORIZON last seen?

HORIZON was last reported in the Caribbean in Jun 2026 on public AIS.

What is HORIZON's MMSI?

HORIZON's MMSI is 244153446. Call sign PG 4176.

How big is HORIZON?

HORIZON is about 15 m long, 4 m on the beam.

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).