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)

MASON G

MMSI 367640910 · Call sign WDH6713

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

48.5 m

Beam

9.1 m

Draft

4 m

Call sign

WDH6713

IMO

9773076

Official No.

1256064

AIS reports

MASON G is an American passenger ferry, 48.5 metres long. She has a beam of 9.1 m and a draft of 4 m. On AIS she appears as MMSI 367640910, call sign WDH6713, IMO 9773076. It's free to add MASON G to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

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

Keep every soul aboard MASON G 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 MASON G 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 MASON G 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 MASON G and switch it all on

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

Claim free → unlock everything

About MASON G

What kind of vessel is MASON G?

MASON G is a Passenger (Inspected) flagged to United States of America.

What is MASON G's MMSI?

MASON G's MMSI is 367640910. Call sign WDH6713. IMO 9773076.

How big is MASON G?

MASON G is about 48.5 m long, 9.1 m on the beam, drawing 4 m.

Is MASON G on the Master's Mate Safety Initiative Network?

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