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.
Commercial Fishing Vessel
Atlantis I
MMSI 367711520 · Call sign WDI5729
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
23.5 m
Beam
7.3 m
Draft
3.8 m
Call sign
WDI5729
IMO
8719750
Official No.
911901
AIS reports
1
Atlantis I, a working fishing vessel flagged in the United States, measures 23.5 metres on deck. Below, she has a 7.3-metre beam and a draft of 3.8 m. Officially she's MMSI 367711520, call sign WDI5729, IMO 8719750. Bring Atlantis I 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 captains
Know where the fleet is. Get Atlantis I home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Atlantis I 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 captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Atlantis I on the map. It hands you the full bridge:
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.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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 Atlantis I and switch it all on
Free to join · nothing to install to start · cancel anytime
About Atlantis I
What kind of vessel is Atlantis I?
Atlantis I is a Commercial Fishing Vessel flagged to United States of America.
What is Atlantis I's MMSI?
Atlantis I's MMSI is 367711520. Call sign WDI5729. IMO 8719750.
How big is Atlantis I?
Atlantis I is about 23.5 m long, 7.3 m on the beam, drawing 3.8 m.
Is Atlantis I on the Master's Mate Safety Initiative Network?
Not yet. If Atlantis I 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.