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)

Sapelo Queen

MMSI 367542990 · Call sign WDG5072

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

18.3 m

Beam

5.7 m

Draft

2.5 m

Call sign

WDG5072

Official No.

593251

AIS reports

Registered in the United States, Sapelo Queen is an 18.3-metre excursion vessel. She's built with 5.7 metres in the beam and a 2.5-metre draft. Officially she's MMSI 367542990, call sign WDG5072. Sapelo Queen can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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

Keep every soul aboard Sapelo Queen 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 Sapelo Queen 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 Sapelo Queen 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 Sapelo Queen and switch it all on

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

Claim free → unlock everything

About Sapelo Queen

What kind of vessel is Sapelo Queen?

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

What is Sapelo Queen's MMSI?

Sapelo Queen's MMSI is 367542990. Call sign WDG5072.

How big is Sapelo Queen?

Sapelo Queen is about 18.3 m long, 5.7 m on the beam, drawing 2.5 m.

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

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