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
MAGGIE
MMSI 367133730 · Call sign WCW7793
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
18.7 m
Beam
15.2 m
Draft
2.1 m
Call sign
WCW7793
IMO
8852746
Official No.
586514
AIS reports
1
MAGGIE, an utility boat hailing from the United States, measures 18.7 metres on deck. MAGGIE has a 15.2-metre beam and a 2.1-metre draft. On AIS she appears as MMSI 367133730, call sign WCW7793, IMO 8852746. MAGGIE earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like MAGGIE.
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 MAGGIE 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 MAGGIE 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 MAGGIE and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAGGIE
What kind of vessel is MAGGIE?
MAGGIE is a Offshore Supply Vessel flagged to United States of America.
What is MAGGIE's MMSI?
MAGGIE's MMSI is 367133730. Call sign WCW7793. IMO 8852746.
How big is MAGGIE?
MAGGIE is about 18.7 m long, 15.2 m on the beam, drawing 2.1 m.
Is MAGGIE on the Master's Mate Safety Initiative Network?
Not yet. If MAGGIE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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