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
SEAMERIDIAN
MMSI 477229100 · Call sign VRIK8
Not yet on Master's MateType
Tanker
Flag
HKGLength
183 m
Beam
32 m
Draft
10.8 m
Call sign
VRIK8
IMO
9462897
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
26
SEAMERIDIAN is a Hong Kong tanker, 183 metres on deck. Below, she has 32 metres in the beam and a draft measuring 10.8 metres. Look for MMSI 477229100, call sign VRIK8, IMO 9462897. Give SEAMERIDIAN the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on SEAMERIDIAN, 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 3, 2026
Position
38.1345° N, 141.7897° E
Transiting the Sea of Japan? 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 SEAMERIDIAN 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 SEAMERIDIAN and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEAMERIDIAN
What kind of vessel is SEAMERIDIAN?
SEAMERIDIAN is a Tanker flagged to Hong Kong S.A.R..
Where was SEAMERIDIAN last seen?
SEAMERIDIAN was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SEAMERIDIAN's MMSI?
SEAMERIDIAN's MMSI is 477229100. Call sign VRIK8. IMO 9462897.
How big is SEAMERIDIAN?
SEAMERIDIAN is about 183 m long, 32 m on the beam, drawing 10.8 m.
Is SEAMERIDIAN on the Master's Mate Safety Initiative Network?
Not yet. If SEAMERIDIAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.