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 Vessel
Diamond Seven
MMSI 367144310 · Call sign WDD4406
Not yet on Master's MateType
Towing Vessel
Flag
USALength
14.3 m
Beam
6.1 m
Draft
2 m
Call sign
WDD4406
Official No.
635205
AIS reports
1
Diamond Seven, a working craft sailing under the American flag, measures 14.3 metres on deck. Her hull carries a 6.1 m beam and a draft of 2 m. On the registers she's MMSI 367144310, call sign WDD4406. Put Diamond Seven on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working boats
Built for boats that work — like Diamond Seven.
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
Wherever Diamond Seven 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Diamond Seven 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 Diamond Seven and switch it all on
Free to join · nothing to install to start · cancel anytime
About Diamond Seven
What kind of vessel is Diamond Seven?
Diamond Seven is a Towing Vessel flagged to United States of America.
What is Diamond Seven's MMSI?
Diamond Seven's MMSI is 367144310. Call sign WDD4406.
How big is Diamond Seven?
Diamond Seven is about 14.3 m long, 6.1 m on the beam, drawing 2 m.
Is Diamond Seven on the Master's Mate Safety Initiative Network?
Not yet. If Diamond Seven is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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