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.

Towing Vessel

CAPE COD

MMSI 366939770 · Call sign WBK3243

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

31.1 m

Beam

8.7 m

Draft

4 m

Call sign

WBK3243

IMO

6807010

Official No.

509126

AIS reports

On the American registry, CAPE COD is a 31.1-metre utility boat. She's built with 8.7 metres in the beam and a 4-metre draft. Her papers read MMSI 366939770, call sign WBK3243, IMO 6807010. CAPE COD earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.

Free forever · No credit card · for working boats

Built for boats that work — like CAPE COD.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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

Wherever CAPE COD 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 boats

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

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

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.

Weather & Routing

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

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 CAPE COD and switch it all on

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

Claim free → unlock everything

About CAPE COD

What kind of vessel is CAPE COD?

CAPE COD is a Towing Vessel flagged to United States of America.

What is CAPE COD's MMSI?

CAPE COD's MMSI is 366939770. Call sign WBK3243. IMO 6807010.

How big is CAPE COD?

CAPE COD is about 31.1 m long, 8.7 m on the beam, drawing 4 m.

Is CAPE COD on the Master's Mate Safety Initiative Network?

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