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 Barge (Uninspected)

MASTERPIECE

MMSI 366906530 · Call sign WDB5157

Not yet on Master's Mate

Type

Passenger Barge (Uninspected)

Flag

USA

Length

13.4 m

Beam

4.6 m

Draft

2.4 m

Call sign

WDB5157

Official No.

1051072

Hull ID

BBW44037E697

AIS reports

MASTERPIECE is a ferry vessel flagged in the United States, 13.4 metres LOA. She has a 4.6-metre beam and a draft of 2.4 m. Look for MMSI 366906530, call sign WDB5157. The Master's Mate Safety Initiative Network welcomes MASTERPIECE — free to join, cruiser-run, and always on watch.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard MASTERPIECE 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 MASTERPIECE 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 MASTERPIECE 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 MASTERPIECE and switch it all on

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

Claim free → unlock everything

About MASTERPIECE

What kind of vessel is MASTERPIECE?

MASTERPIECE is a Passenger Barge (Uninspected) flagged to United States of America.

What is MASTERPIECE's MMSI?

MASTERPIECE's MMSI is 366906530. Call sign WDB5157.

How big is MASTERPIECE?

MASTERPIECE is about 13.4 m long, 4.6 m on the beam, drawing 2.4 m.

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

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