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
OOCL SEATTLE
Cargo · last seen 26°N 121°E · Jun 2026 · MMSI 636023345 · Call sign 5LNG4
Not yet on Master's MateType
Cargo
Length
255 m
Beam
40 m
Draft
12.6 m
Call sign
5LNG4
IMO
9984431
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
5
OOCL SEATTLE is a 255-metre freighter. She has a 40 m beam and a draft of 12.6 m. Officially she's MMSI 636023345, call sign 5LNG4, IMO 9984431. OOCL SEATTLE is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on OOCL SEATTLE, 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
Last known position · Jun 15, 2026
Position
25.5836° N, 121.0740° E
Transiting the East China 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 OOCL SEATTLE 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 OOCL SEATTLE and switch it all on
Free to join · nothing to install to start · cancel anytime
About OOCL SEATTLE
What kind of vessel is OOCL SEATTLE?
OOCL SEATTLE is a Cargo.
Where was OOCL SEATTLE last seen?
OOCL SEATTLE was last reported in the East China Sea in Jun 2026 on public AIS.
What is OOCL SEATTLE's MMSI?
OOCL SEATTLE's MMSI is 636023345. Call sign 5LNG4. IMO 9984431.
How big is OOCL SEATTLE?
OOCL SEATTLE is about 255 m long, 40 m on the beam, drawing 12.6 m.
Is OOCL SEATTLE on the Master's Mate Safety Initiative Network?
Not yet. If OOCL SEATTLE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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