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)
Gray light
MMSI 367732520 · Call sign WDI7818
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
9.4 m
Beam
2.7 m
Draft
1.6 m
Call sign
WDI7818
Official No.
1267481
AIS reports
1
Out of the United States, Gray light is a 9.4-metre passenger ferry. Below, she has a 2.7 m beam and a draft of 1.6 m. Her papers read MMSI 367732520, call sign WDI7818. Give Gray light the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Gray light 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 Gray light 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 Gray light 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 Gray light and switch it all on
Free to join · nothing to install to start · cancel anytime
About Gray light
What kind of vessel is Gray light?
Gray light is a Passenger (Inspected) flagged to United States of America.
What is Gray light's MMSI?
Gray light's MMSI is 367732520. Call sign WDI7818.
How big is Gray light?
Gray light is about 9.4 m long, 2.7 m on the beam, drawing 1.6 m.
Is Gray light on the Master's Mate Safety Initiative Network?
Not yet. If Gray light 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.