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.
Other
MAERSK TOPPER
MMSI 710003667 · Call sign PU4430
Not yet on Master's MateType
Other
Flag
BRALength
80 m
Beam
20 m
Draft
7 m
Call sign
PU4430
IMO
9388584
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
56
Registered in Brazil, MAERSK TOPPER is an 80-metre vessel. Below, she has a beam of 20 m and a draft of 7 m. She broadcasts as MMSI 710003667, call sign PU4430, IMO 9388584. The Master's Mate Safety Initiative Network welcomes MAERSK TOPPER — free to join, cruiser-run, and always on watch.
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Is MAERSK TOPPER your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
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Last known position · Jun 4, 2026
Position
22.8458° S, 43.1373° W
Wherever MAERSK TOPPER roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MAERSK TOPPER 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim MAERSK TOPPER and switch it all on
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About MAERSK TOPPER
What kind of vessel is MAERSK TOPPER?
MAERSK TOPPER is a Other flagged to Brazil.
Where was MAERSK TOPPER last seen?
MAERSK TOPPER was last reported in around 23°S 43°W in Jun 2026 on public AIS.
What is MAERSK TOPPER's MMSI?
MAERSK TOPPER's MMSI is 710003667. Call sign PU4430. IMO 9388584.
How big is MAERSK TOPPER?
MAERSK TOPPER is about 80 m long, 20 m on the beam, drawing 7 m.
Is MAERSK TOPPER on the Master's Mate Safety Initiative Network?
Not yet. If MAERSK TOPPER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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