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)
DEE OF ST MARYS
MMSI 367006390 · Call sign WYR4402
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
16.8 m
Beam
5.6 m
Draft
1.2 m
Call sign
WYR4402
Official No.
621754
AIS reports
1
On the American registry, DEE OF ST MARYS is a 16.8-metre excursion vessel. DEE OF ST MARYS has a beam of 5.6 m and a 1.2-metre draft. Her papers read MMSI 367006390, call sign WYR4402. Join DEE OF ST MARYS to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard DEE OF ST MARYS 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 DEE OF ST MARYS 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 DEE OF ST MARYS 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 DEE OF ST MARYS and switch it all on
Free to join · nothing to install to start · cancel anytime
About DEE OF ST MARYS
What kind of vessel is DEE OF ST MARYS?
DEE OF ST MARYS is a Passenger (Inspected) flagged to United States of America.
What is DEE OF ST MARYS's MMSI?
DEE OF ST MARYS's MMSI is 367006390. Call sign WYR4402.
How big is DEE OF ST MARYS?
DEE OF ST MARYS is about 16.8 m long, 5.6 m on the beam, drawing 1.2 m.
Is DEE OF ST MARYS on the Master's Mate Safety Initiative Network?
Not yet. If DEE OF ST MARYS 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.