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
GO RYO 3 HO
MMSI 440053280 · Call sign D7UB
Not yet on Master's MateType
Tanker
Flag
KORLength
28 m
Beam
6 m
Call sign
D7UB
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
21
GO RYO 3 HO is a tanker hailing from South Korea, 28 metres LOA. She has 6 metres in the beam. On the registers she's MMSI 440053280, call sign D7UB. Claim GO RYO 3 HO free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on GO RYO 3 HO, 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 4, 2026
Position
35.1231° N, 129.0540° E
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put GO RYO 3 HO 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 GO RYO 3 HO and switch it all on
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About GO RYO 3 HO
What kind of vessel is GO RYO 3 HO?
GO RYO 3 HO is a Tanker flagged to South Korea.
Where was GO RYO 3 HO last seen?
GO RYO 3 HO was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is GO RYO 3 HO's MMSI?
GO RYO 3 HO's MMSI is 440053280. Call sign D7UB.
How big is GO RYO 3 HO?
GO RYO 3 HO is about 28 m long, 6 m on the beam.
Is GO RYO 3 HO on the Master's Mate Safety Initiative Network?
Not yet. If GO RYO 3 HO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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