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.

Recreational

Plan B

MMSI 368301220 · Call sign WDN6662

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

14.3 m

Beam

7.4 m

Draft

1.3 m

Call sign

WDN6662

Official No.

1302034

AIS reports

Plan B, an American recreational boat, measures 14.3 metres on deck. She's built with 7.4 metres in the beam and a 1.3 m draft. She broadcasts as MMSI 368301220, call sign WDN6662. Plan B is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card · for recreational captains

Keep Plan B looked after — even when you’re not aboard.

Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.

Look after her — claim free →

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

Wherever Plan 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 recreational captains

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

Joining the Safety Initiative Network doesn't just put Plan B 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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Weather & Routing

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

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Systems Monitoring

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

Live AIS & Traffic

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

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 Plan B and switch it all on

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

Claim free → unlock everything

About Plan B

What kind of vessel is Plan B?

Plan B is a Recreational flagged to United States of America.

What is Plan B's MMSI?

Plan B's MMSI is 368301220. Call sign WDN6662.

How big is Plan B?

Plan B is about 14.3 m long, 7.4 m on the beam, drawing 1.3 m.

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

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