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
Glenn Green
MMSI 368203720 · Call sign WDM4138
Not yet on Master's MateType
Towing Vessel
Flag
USALength
7.7 m
Beam
4.3 m
Draft
1.5 m
Call sign
WDM4138
Official No.
1315129
AIS reports
1
Out of the United States, Glenn Green is a 7.7-metre work boat. Her hull carries 4.3 metres in the beam and a draft measuring 1.5 metres. On the registers she's MMSI 368203720, call sign WDM4138. Give Glenn Green the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like Glenn Green.
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 Glenn Green 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 Glenn Green 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 Glenn Green and switch it all on
Free to join · nothing to install to start · cancel anytime
About Glenn Green
What kind of vessel is Glenn Green?
Glenn Green is a Towing Vessel flagged to United States of America.
What is Glenn Green's MMSI?
Glenn Green's MMSI is 368203720. Call sign WDM4138.
How big is Glenn Green?
Glenn Green is about 7.7 m long, 4.3 m on the beam, drawing 1.5 m.
Is Glenn Green on the Master's Mate Safety Initiative Network?
Not yet. If Glenn Green is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.