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.

Offshore Supply Vessel

Decathlon

MMSI 367074760 · Call sign WDC7659

Not yet on Master's Mate

Type

Offshore Supply Vessel

Flag

USA

Length

32.6 m

Beam

7.9 m

Draft

2.4 m

Call sign

WDC7659

Official No.

611074

AIS reports

Decathlon, a working vessel under American registration, measures 32.6 metres on deck. Below, she has a beam of 7.9 m and a draft measuring 2.4 metres. Look for MMSI 367074760, call sign WDC7659. Decathlon can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like Decathlon.

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 Decathlon 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 Decathlon 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 Decathlon and switch it all on

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About Decathlon

What kind of vessel is Decathlon?

Decathlon is a Offshore Supply Vessel flagged to United States of America.

What is Decathlon's MMSI?

Decathlon's MMSI is 367074760. Call sign WDC7659.

How big is Decathlon?

Decathlon is about 32.6 m long, 7.9 m on the beam, drawing 2.4 m.

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

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