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
GREEN HO
MMSI 440048210 · Call sign SSD
Not yet on Master's MateType
Tanker
Flag
KORLength
48 m
Beam
9 m
Draft
4 m
Call sign
SSD
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
74
GREEN HO is a South Korean 48-metre tanker. She's built with a 9 m beam and a 4-metre draft. She broadcasts as MMSI 440048210, call sign SSD. GREEN HO is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on GREEN 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
Live AIS position · Jun 9, 2026 13:16 UTC
Position
35.1089° N, 129.0933° E
Status
Under way (engine)
Speed
0.0 kn
Course
345°
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 GREEN 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 GREEN HO and switch it all on
Free to join · nothing to install to start · cancel anytime
About GREEN HO
What kind of vessel is GREEN HO?
GREEN HO is a Tanker flagged to South Korea.
Where was GREEN HO last seen?
GREEN HO was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is GREEN HO's MMSI?
GREEN HO's MMSI is 440048210. Call sign SSD.
How big is GREEN HO?
GREEN HO is about 48 m long, 9 m on the beam, drawing 4 m.
Is GREEN HO on the Master's Mate Safety Initiative Network?
Not yet. If GREEN HO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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