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.

Passenger (Inspected)

WB37

MMSI 366855970 · Call sign WDG7213

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

7.7 m

Beam

4.3 m

Draft

1.5 m

Call sign

WDG7213

Official No.

1127066

AIS reports

WB37 is an excursion vessel registered in the United States, 7.7 metres from stem to stern. WB37 has a 4.3-metre beam and a 1.5-metre draft. She broadcasts as MMSI 366855970, call sign WDG7213. WB37 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 passenger & charter operators

Keep every soul aboard WB37 safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

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

Wherever WB37 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 passenger & charter operators

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

Joining the Safety Initiative Network doesn't just put WB37 on the map. It hands you the full bridge:

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

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 WB37 and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About WB37

What kind of vessel is WB37?

WB37 is a Passenger (Inspected) flagged to United States of America.

What is WB37's MMSI?

WB37's MMSI is 366855970. Call sign WDG7213.

How big is WB37?

WB37 is about 7.7 m long, 4.3 m on the beam, drawing 1.5 m.

Is WB37 on the Master's Mate Safety Initiative Network?

Not yet. If WB37 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).