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

MV American Heritage

MMSI 366951060 · Call sign WDB7989

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

55.8 m

Beam

16.5 m

Draft

3.2 m

Call sign

WDB7989

Official No.

573798

AIS reports

Registered in the United States, MV American Heritage is a 55.8-metre utility boat. She carries a beam measuring 16.5 metres and a 3.2-metre draft. On the registers she's MMSI 366951060, call sign WDB7989. Put MV American Heritage on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like MV American Heritage.

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 MV American Heritage 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 MV American Heritage 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 MV American Heritage and switch it all on

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

Claim free → unlock everything

About MV American Heritage

What kind of vessel is MV American Heritage?

MV American Heritage is a Towing Vessel flagged to United States of America.

What is MV American Heritage's MMSI?

MV American Heritage's MMSI is 366951060. Call sign WDB7989.

How big is MV American Heritage?

MV American Heritage is about 55.8 m long, 16.5 m on the beam, drawing 3.2 m.

Is MV American Heritage on the Master's Mate Safety Initiative Network?

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