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 (Uninspected)

Gemini Girl

MMSI 367628010 · Call sign WDH5444

Not yet on Master's Mate

Type

Passenger (Uninspected)

Flag

USA

Length

11.6 m

Beam

3.7 m

Draft

2.6 m

Call sign

WDH5444

Official No.

1069781

AIS reports

Gemini Girl flies the American flag — an 11.6-metre passenger ferry. Her hull carries a 3.7-metre beam and a draft of 2.6 m. She's on record as MMSI 367628010, call sign WDH5444. Gemini Girl carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.

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

Keep every soul aboard Gemini Girl 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 Gemini Girl 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 Gemini Girl 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 Gemini Girl and switch it all on

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

Claim free → unlock everything

About Gemini Girl

What kind of vessel is Gemini Girl?

Gemini Girl is a Passenger (Uninspected) flagged to United States of America.

What is Gemini Girl's MMSI?

Gemini Girl's MMSI is 367628010. Call sign WDH5444.

How big is Gemini Girl?

Gemini Girl is about 11.6 m long, 3.7 m on the beam, drawing 2.6 m.

Is Gemini Girl on the Master's Mate Safety Initiative Network?

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