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
MATTY T
MMSI 368283570 · Call sign WDN4716
Not yet on Master's MateType
Towing
Flag
USALength
22 m
Beam
8 m
Call sign
WDN4716
IMO
898993900
Official No.
647313
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
72
Out of the United States, MATTY T is a 22-metre harbour workboat. Her hull carries 8 metres in the beam. Her registration reads MMSI 368283570, call sign WDN4716. Give MATTY T 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 MATTY T.
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
Live AIS position · Jun 9, 2026 11:44 UTC
Position
37.6316° N, 76.1602° W
Status
Under way (engine)
Speed
7.7 kn
Course
4°
Destination
XX XXX>US^0MUW
Working Chesapeake Bay? 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 MATTY T 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 MATTY T and switch it all on
Free to join · nothing to install to start · cancel anytime
About MATTY T
What kind of vessel is MATTY T?
MATTY T is a Towing flagged to United States of America.
Where was MATTY T last seen?
MATTY T was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is MATTY T's MMSI?
MATTY T's MMSI is 368283570. Call sign WDN4716. IMO 898993900.
How big is MATTY T?
MATTY T is about 22 m long, 8 m on the beam.
Is MATTY T on the Master's Mate Safety Initiative Network?
Not yet. If MATTY T is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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