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
YUSHOMARU
Cargo · last seen 40°N 140°E · Jun 2026 · MMSI 431025802 · Call sign JD5455
Not yet on Master's MateType
Cargo
Length
70 m
Beam
13 m
Draft
4.4 m
Call sign
JD5455
IMO
1086362
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
8
YUSHOMARU is a general cargo ship, spanning 70 metres. Below, she has a 13-metre beam and a draft measuring 4.4 metres. She's on record as MMSI 431025802, call sign JD5455, IMO 1086362. YUSHOMARU can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on YUSHOMARU, 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 16, 2026 01:02 UTC
Position
39.8750° N, 139.8570° E
Status
Moored
Speed
0.1 kn
Course
168°
Destination
>JP AFG
ETA
06-16 08:00 UTC
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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put YUSHOMARU 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 YUSHOMARU and switch it all on
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About YUSHOMARU
What kind of vessel is YUSHOMARU?
YUSHOMARU is a Cargo.
Where was YUSHOMARU last seen?
YUSHOMARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is YUSHOMARU's MMSI?
YUSHOMARU's MMSI is 431025802. Call sign JD5455. IMO 1086362.
How big is YUSHOMARU?
YUSHOMARU is about 70 m long, 13 m on the beam, drawing 4.4 m.
Is YUSHOMARU on the Master's Mate Safety Initiative Network?
Not yet. If YUSHOMARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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