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

EXPLORER

MMSI 366766860 · Call sign WBN7618

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

38.8 m

Beam

11.1 m

Draft

3.3 m

Call sign

WBN7618

IMO

7397660

Official No.

563687

AIS reports

Registered in the United States, EXPLORER is a 38.8-metre service vessel. She's built with 11.1 metres in the beam and a 3.3 m draft. Find her under MMSI 366766860, call sign WBN7618, IMO 7397660. Claim EXPLORER free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for working boats

Built for boats that work — like EXPLORER.

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 EXPLORER 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 EXPLORER 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 EXPLORER and switch it all on

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

Claim free → unlock everything

About EXPLORER

What kind of vessel is EXPLORER?

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

What is EXPLORER's MMSI?

EXPLORER's MMSI is 366766860. Call sign WBN7618. IMO 7397660.

How big is EXPLORER?

EXPLORER is about 38.8 m long, 11.1 m on the beam, drawing 3.3 m.

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

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