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Cargo
POS YOKOHAMA
MMSI 440349000 · Call sign DSOU4
Not yet on Master's MateType
Cargo
Flag
KORLength
144 m
Beam
21 m
Draft
6.7 m
Call sign
DSOU4
IMO
9164603
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
POS YOKOHAMA, a cargo ship wearing South Korean colours, measures 144 metres on deck. She's built with a beam of 21 m and a 6.7 m draft. Find her under MMSI 440349000, call sign DSOU4, IMO 9164603. Claim POS YOKOHAMA 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 POS YOKOHAMA, 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 2, 2026
Position
35.0635° N, 139.4681° 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 POS YOKOHAMA 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 POS YOKOHAMA and switch it all on
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About POS YOKOHAMA
What kind of vessel is POS YOKOHAMA?
POS YOKOHAMA is a Cargo flagged to South Korea.
Where was POS YOKOHAMA last seen?
POS YOKOHAMA was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is POS YOKOHAMA's MMSI?
POS YOKOHAMA's MMSI is 440349000. Call sign DSOU4. IMO 9164603.
How big is POS YOKOHAMA?
POS YOKOHAMA is about 144 m long, 21 m on the beam, drawing 6.7 m.
Is POS YOKOHAMA on the Master's Mate Safety Initiative Network?
Not yet. If POS YOKOHAMA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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