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

POLYCHROME

MMSI 367372020 · Call sign WDE5820

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

10.2 m

Beam

3.7 m

Draft

1.7 m

Call sign

WDE5820

Official No.

1196903

AIS reports

POLYCHROME is a pleasure craft under the American flag, 10.2 metres from stem to stern. POLYCHROME has a beam measuring 3.7 metres and a 1.7-metre draft. Look for MMSI 367372020, call sign WDE5820. Claim POLYCHROME free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for recreational captains

Keep POLYCHROME 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 POLYCHROME 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 POLYCHROME 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 POLYCHROME and switch it all on

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

Claim free → unlock everything

About POLYCHROME

What kind of vessel is POLYCHROME?

POLYCHROME is a Recreational flagged to United States of America.

What is POLYCHROME's MMSI?

POLYCHROME's MMSI is 367372020. Call sign WDE5820.

How big is POLYCHROME?

POLYCHROME is about 10.2 m long, 3.7 m on the beam, drawing 1.7 m.

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

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