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

GLADYS M

MMSI 366951660 · Call sign WYR9477

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

21.2 m

Beam

6 m

Draft

2 m

Call sign

WYR9477

Official No.

639797

AIS reports

GLADYS M is a harbour workboat on the the United States registry, 21.2 metres long. She has a beam of 6 m and a draft of 2 m. Look for MMSI 366951660, call sign WYR9477. GLADYS M earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.

Free forever · No credit card · for working boats

Built for boats that work — like GLADYS M.

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 GLADYS M 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 GLADYS M 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 GLADYS M and switch it all on

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

Claim free → unlock everything

About GLADYS M

What kind of vessel is GLADYS M?

GLADYS M is a Towing Vessel flagged to United States of America.

What is GLADYS M's MMSI?

GLADYS M's MMSI is 366951660. Call sign WYR9477.

How big is GLADYS M?

GLADYS M is about 21.2 m long, 6 m on the beam, drawing 2 m.

Is GLADYS M on the Master's Mate Safety Initiative Network?

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