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.
Offshore Supply Vessel
Mary Ann Vizier
MMSI 367172040 · Call sign WDD6369
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
29.5 m
Beam
8.6 m
Draft
2.4 m
Call sign
WDD6369
Official No.
604693
AIS reports
1
Mary Ann Vizier is a workboat sailing under the American flag, 29.5 metres in length. She's built with a beam measuring 8.6 metres and a 2.4 m draft. On the registers she's MMSI 367172040, call sign WDD6369. Bring Mary Ann Vizier aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like Mary Ann Vizier.
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 Mary Ann Vizier 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 Mary Ann Vizier 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 Mary Ann Vizier and switch it all on
Free to join · nothing to install to start · cancel anytime
About Mary Ann Vizier
What kind of vessel is Mary Ann Vizier?
Mary Ann Vizier is a Offshore Supply Vessel flagged to United States of America.
What is Mary Ann Vizier's MMSI?
Mary Ann Vizier's MMSI is 367172040. Call sign WDD6369.
How big is Mary Ann Vizier?
Mary Ann Vizier is about 29.5 m long, 8.6 m on the beam, drawing 2.4 m.
Is Mary Ann Vizier on the Master's Mate Safety Initiative Network?
Not yet. If Mary Ann Vizier is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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