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.
Tanker
OSX 1
MMSI 636015145 · Call sign A8YW3
Not yet on Master's MateType
Tanker
Flag
LBRLength
258 m
Beam
46 m
Draft
10.8 m
Call sign
A8YW3
IMO
9399832
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
65
Registered in Liberia, OSX 1 is a 258-metre tank ship. Below, she has a beam measuring 46 metres and a draft measuring 10.8 metres. On AIS she appears as MMSI 636015145, call sign A8YW3, IMO 9399832. OSX 1 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 OSX 1, 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 14:13 UTC
Position
60.8607° N, 5.0344° E
Status
Moored
Speed
0.0 kn
Course
5°
Destination
SKIPEVIKA\NORWAY
ETA
09-01 05:00 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.
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 OSX 1 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 OSX 1 and switch it all on
Free to join · nothing to install to start · cancel anytime
About OSX 1
What kind of vessel is OSX 1?
OSX 1 is a Tanker flagged to Liberia.
Where was OSX 1 last seen?
OSX 1 was last reported in the North Sea in Jun 2026 on public AIS.
What is OSX 1's MMSI?
OSX 1's MMSI is 636015145. Call sign A8YW3. IMO 9399832.
How big is OSX 1?
OSX 1 is about 258 m long, 46 m on the beam, drawing 10.8 m.
Is OSX 1 on the Master's Mate Safety Initiative Network?
Not yet. If OSX 1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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