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

LANGLEY

MMSI 366568470 · Call sign WZW2913

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

12.8 m

Beam

4.5 m

Draft

1.8 m

Call sign

WZW2913

Official No.

544331

AIS reports

LANGLEY, a vessel listed on the the United States registry, measures 12.8 metres on deck. She's built with 4.5 metres in the beam and a 1.8 m draft. On AIS she shows as MMSI 366568470, call sign WZW2913. LANGLEY is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Is LANGLEY 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 LANGLEY 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 LANGLEY 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 LANGLEY and switch it all on

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About LANGLEY

What kind of vessel is LANGLEY?

LANGLEY is a Research Vessel flagged to United States of America.

What is LANGLEY's MMSI?

LANGLEY's MMSI is 366568470. Call sign WZW2913.

How big is LANGLEY?

LANGLEY is about 12.8 m long, 4.5 m on the beam, drawing 1.8 m.

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

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