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

American Discovery

MMSI 367361340 · Call sign WDE5049

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

12.2 m

Beam

5.5 m

Draft

1.2 m

Call sign

WDE5049

Official No.

1022089

Hull ID

PER39012A993

AIS reports

American Discovery is a craft flying the flag of the United States, 12.2 metres long. Below, she has a beam measuring 5.5 metres and a draft of 1.2 m. She broadcasts as MMSI 367361340, call sign WDE5049. Sign American Discovery up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

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

Wherever American Discovery 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 American Discovery 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 American Discovery and switch it all on

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About American Discovery

What kind of vessel is American Discovery?

American Discovery is a Research Vessel flagged to United States of America.

What is American Discovery's MMSI?

American Discovery's MMSI is 367361340. Call sign WDE5049.

How big is American Discovery?

American Discovery is about 12.2 m long, 5.5 m on the beam, drawing 1.2 m.

Is American Discovery on the Master's Mate Safety Initiative Network?

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