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
True XI
MMSI 366826080 · Call sign WDA5957
Not yet on Master's MateType
Recreational
Flag
USALength
19.9 m
Beam
5.5 m
Draft
1.8 m
Call sign
WDA5957
Official No.
1110714
Hull ID
HATGN705K001
AIS reports
1
True XI, a pleasure boat sailing under the American flag, measures 19.9 metres on deck. She has a beam measuring 5.5 metres and a draft of 1.8 m. Her papers read MMSI 366826080, call sign WDA5957. True XI can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for recreational captains
Keep True XI 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 True XI 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 True XI 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 True XI and switch it all on
Free to join · nothing to install to start · cancel anytime
About True XI
What kind of vessel is True XI?
True XI is a Recreational flagged to United States of America.
What is True XI's MMSI?
True XI's MMSI is 366826080. Call sign WDA5957.
How big is True XI?
True XI is about 19.9 m long, 5.5 m on the beam, drawing 1.8 m.
Is True XI on the Master's Mate Safety Initiative Network?
Not yet. If True XI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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