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
Graymar Sun
MMSI 367508570 · Call sign WDF9762
Not yet on Master's MateType
Towing Vessel
Flag
USALength
14 m
Beam
4.9 m
Draft
2.2 m
Call sign
WDF9762
Official No.
1214688
AIS reports
1
Registered in the United States, Graymar Sun is a 14-metre workboat. Graymar Sun has a 4.9-metre beam and a 2.2 m draft. Her papers read MMSI 367508570, call sign WDF9762. The Master's Mate Safety Initiative Network welcomes Graymar Sun — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like Graymar Sun.
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 Graymar Sun 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 Graymar Sun 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 Graymar Sun and switch it all on
Free to join · nothing to install to start · cancel anytime
About Graymar Sun
What kind of vessel is Graymar Sun?
Graymar Sun is a Towing Vessel flagged to United States of America.
What is Graymar Sun's MMSI?
Graymar Sun's MMSI is 367508570. Call sign WDF9762.
How big is Graymar Sun?
Graymar Sun is about 14 m long, 4.9 m on the beam, drawing 2.2 m.
Is Graymar Sun on the Master's Mate Safety Initiative Network?
Not yet. If Graymar Sun is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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