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.

Commercial Fishing Vessel

TAWNA-B

MMSI 366619620 · Call sign WCK2139

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

9.3 m

Beam

3.7 m

Draft

1.8 m

Call sign

WCK2139

Official No.

642856

AIS reports

Registered in the United States, TAWNA-B is a 9.3-metre commercial fishing boat. Below, she has a beam measuring 3.7 metres and a draft of 1.8 m. She broadcasts as MMSI 366619620, call sign WCK2139. Out where help is far away, TAWNA-B has the free Master's Mate Safety Initiative Network — and a fleet that answers.

Free forever · No credit card · for working captains

Know where the fleet is. Get TAWNA-B home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever TAWNA-B 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 captains

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

Joining the Safety Initiative Network doesn't just put TAWNA-B on the map. It hands you the full bridge:

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.

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.

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 TAWNA-B and switch it all on

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Claim free → unlock everything

About TAWNA-B

What kind of vessel is TAWNA-B?

TAWNA-B is a Commercial Fishing Vessel flagged to United States of America.

What is TAWNA-B's MMSI?

TAWNA-B's MMSI is 366619620. Call sign WCK2139.

How big is TAWNA-B?

TAWNA-B is about 9.3 m long, 3.7 m on the beam, drawing 1.8 m.

Is TAWNA-B on the Master's Mate Safety Initiative Network?

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