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
HORIZON
Cargo · last seen 3°S 58°W · Jun 2026 · MMSI 636016487 · Call sign D5GK5
Not yet on Master's MateType
Cargo
Length
179 m
Beam
28 m
Draft
6.1 m
Call sign
D5GK5
IMO
9323637
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
HORIZON is a 179-metre general cargo ship. Her hull carries a 28-metre beam and a draft measuring 6.1 metres. Officially she's MMSI 636016487, call sign D5GK5, IMO 9323637. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — HORIZON included.
Free forever · No credit card · for commercial operators
Eyes on HORIZON, 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 15, 2026 16:57 UTC
Position
3.1778° S, 58.3639° W
Status
At anchor
Speed
0.1 kn
Course
3°
Destination
ITACOATIARA
ETA
06-13 05:00 UTC
Wherever HORIZON 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 HORIZON 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 HORIZON and switch it all on
Free to join · nothing to install to start · cancel anytime
About HORIZON
What kind of vessel is HORIZON?
HORIZON is a Cargo.
Where was HORIZON last seen?
HORIZON was last reported in around 3°S 58°W in Jun 2026 on public AIS.
What is HORIZON's MMSI?
HORIZON's MMSI is 636016487. Call sign D5GK5. IMO 9323637.
How big is HORIZON?
HORIZON is about 179 m long, 28 m on the beam, drawing 6.1 m.
Is HORIZON on the Master's Mate Safety Initiative Network?
Not yet. If HORIZON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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