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
HENRY T
MMSI 367016010 · Call sign WDC3903
Not yet on Master's MateType
Towing
Flag
USALength
15 m
Beam
7 m
Draft
2 m
Call sign
WDC3903
IMO
100561688
Official No.
561688
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
15
An American working craft, HENRY T measures 15 metres. Her hull carries a 7 m beam and a draft of 2 m. Find her under MMSI 367016010, call sign WDC3903. Working vessels like HENRY T are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like HENRY 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
Last known position · Jun 2, 2026
Position
29.3586° N, 94.7992° W
Working the Gulf of Mexico? 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 HENRY 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 HENRY T and switch it all on
Free to join · nothing to install to start · cancel anytime
About HENRY T
What kind of vessel is HENRY T?
HENRY T is a Towing flagged to United States of America.
Where was HENRY T last seen?
HENRY T was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is HENRY T's MMSI?
HENRY T's MMSI is 367016010. Call sign WDC3903. IMO 100561688.
How big is HENRY T?
HENRY T is about 15 m long, 7 m on the beam, drawing 2 m.
Is HENRY T on the Master's Mate Safety Initiative Network?
Not yet. If HENRY T 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.