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.

Research Vessel

R/V Proteus

MMSI 368263560 · Call sign WDN2587

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

9.1 m

Beam

2.9 m

Draft

1.5 m

Call sign

WDN2587

Official No.

1295861

Hull ID

NRB30219F919

AIS reports

R/V Proteus, a boat hailing from the United States, measures 9.1 metres on deck. Below, she has a 2.9-metre beam and a draft measuring 1.5 metres. On the registers she's MMSI 368263560, call sign WDN2587. The Master's Mate Safety Initiative Network welcomes R/V Proteus — free to join, cruiser-run, and always on watch.

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Is R/V Proteus 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.

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Wherever R/V Proteus roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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

Joining the Safety Initiative Network doesn't just put R/V Proteus 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 R/V Proteus and switch it all on

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About R/V Proteus

What kind of vessel is R/V Proteus?

R/V Proteus is a Research Vessel flagged to United States of America.

What is R/V Proteus's MMSI?

R/V Proteus's MMSI is 368263560. Call sign WDN2587.

How big is R/V Proteus?

R/V Proteus is about 9.1 m long, 2.9 m on the beam, drawing 1.5 m.

Is R/V Proteus on the Master's Mate Safety Initiative Network?

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