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 (Inspected)

Queen of hearts

MMSI 366715730 · Call sign WDJ7357

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

27.4 m

Beam

9.8 m

Draft

1.2 m

Call sign

WDJ7357

Official No.

658104

AIS reports

Registered in the United States, Queen of hearts is a 27.4-metre passenger craft. She has 9.8 metres in the beam and a draft measuring 1.2 metres. On AIS she appears as MMSI 366715730, call sign WDJ7357. Queen of hearts can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

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

Keep every soul aboard Queen of hearts 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 Queen of hearts 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 Queen of hearts 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 Queen of hearts and switch it all on

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

Claim free → unlock everything

About Queen of hearts

What kind of vessel is Queen of hearts?

Queen of hearts is a Passenger (Inspected) flagged to United States of America.

What is Queen of hearts's MMSI?

Queen of hearts's MMSI is 366715730. Call sign WDJ7357.

How big is Queen of hearts?

Queen of hearts is about 27.4 m long, 9.8 m on the beam, drawing 1.2 m.

Is Queen of hearts on the Master's Mate Safety Initiative Network?

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