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.
Recreational
T/t W
MMSI 368253170 · Call sign WDM9493
Not yet on Master's MateType
Recreational
Flag
USALength
11.6 m
Beam
3.9 m
Draft
1.2 m
Call sign
WDM9493
Official No.
1324471
AIS reports
1
T/t W flies the American flag — an 11.6-metre family boat. She carries 3.9 metres in the beam and a 1.2 m draft. Find her under MMSI 368253170, call sign WDM9493. T/t W belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for recreational captains
Keep T/t W looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever T/t W 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put T/t W on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim T/t W and switch it all on
Free to join · nothing to install to start · cancel anytime
About T/t W
What kind of vessel is T/t W?
T/t W is a Recreational flagged to United States of America.
What is T/t W's MMSI?
T/t W's MMSI is 368253170. Call sign WDM9493.
How big is T/t W?
T/t W is about 11.6 m long, 3.9 m on the beam, drawing 1.2 m.
Is T/t W on the Master's Mate Safety Initiative Network?
Not yet. If T/t W 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.