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
MAC 4 .
MMSI 205514990 · Call sign OT5149
Not yet on Master's MateType
Cargo
Flag
BELLength
38 m
Beam
7 m
Draft
0.2 m
Call sign
OT5149
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
69
On the Belgian registry, MAC 4 . is a 38-metre merchant ship. She has a beam of 7 m and a draft measuring 0.2 metres. Her registration reads MMSI 205514990, call sign OT5149. MAC 4 . can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on MAC 4 ., 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 07:42 UTC
Position
51.2873° N, 4.2318° E
Status
Under way (engine)
Speed
0.1 kn
Course
118°
Destination
ARA
ETA
10-17 12:32 UTC
Transiting the North Sea? 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 MAC 4 . 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 MAC 4 . and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAC 4 .
What kind of vessel is MAC 4 .?
MAC 4 . is a Cargo flagged to Belgium.
Where was MAC 4 . last seen?
MAC 4 . was last reported in the North Sea in Jun 2026 on public AIS.
What is MAC 4 .'s MMSI?
MAC 4 .'s MMSI is 205514990. Call sign OT5149.
How big is MAC 4 .?
MAC 4 . is about 38 m long, 7 m on the beam, drawing 0.2 m.
Is MAC 4 . on the Master's Mate Safety Initiative Network?
Not yet. If MAC 4 . is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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