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.
Cargo
SQUARE
MMSI 244660532 · Call sign PD4377
Not yet on Master's MateType
Cargo
Flag
NLDLength
190 m
Beam
24 m
Draft
4 m
Call sign
PD4377
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
56
SQUARE is a Dutch freighter, 190 metres long. She has a 24-metre beam and a draft of 4 m. Her papers read MMSI 244660532, call sign PD4377. Add SQUARE to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on SQUARE, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 05:39 UTC
Position
50.5204° N, 7.2966° E
Status
Under way (engine)
Speed
3.9 kn
Course
163°
Destination
HAFEN GERMERSHEIM
ETA
06-10 16:11 UTC
Wherever SQUARE 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SQUARE 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 SQUARE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SQUARE
What kind of vessel is SQUARE?
SQUARE is a Cargo flagged to Netherlands.
Where was SQUARE last seen?
SQUARE was last reported in around 51°N 7°E in Jun 2026 on public AIS.
What is SQUARE's MMSI?
SQUARE's MMSI is 244660532. Call sign PD4377.
How big is SQUARE?
SQUARE is about 190 m long, 24 m on the beam, drawing 4 m.
Is SQUARE on the Master's Mate Safety Initiative Network?
Not yet. If SQUARE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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