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
MARUOKA MARU
Tanker · last seen 35°N 135°E · Jun 2026 · MMSI 431015453 · Call sign JD4817
Not yet on Master's MateType
Tanker
Length
62 m
Beam
10 m
Draft
3.2 m
Call sign
JD4817
IMO
9882774
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
MARUOKA MARU is a tanker, 62 metres in length. MARUOKA MARU has a 10 m beam and a 3.2 m draft. Look for MMSI 431015453, call sign JD4817, IMO 9882774. MARUOKA MARU 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 MARUOKA MARU, 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 15, 2026 15:12 UTC
Position
34.7359° N, 134.8012° E
Status
Under way (engine)
Speed
0.0 kn
Course
13°
Destination
JP HHR TAKASAGO
ETA
06-12 18:30 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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Joining the Safety Initiative Network doesn't just put MARUOKA MARU 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 MARUOKA MARU and switch it all on
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About MARUOKA MARU
What kind of vessel is MARUOKA MARU?
MARUOKA MARU is a Tanker.
Where was MARUOKA MARU last seen?
MARUOKA MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is MARUOKA MARU's MMSI?
MARUOKA MARU's MMSI is 431015453. Call sign JD4817. IMO 9882774.
How big is MARUOKA MARU?
MARUOKA MARU is about 62 m long, 10 m on the beam, drawing 3.2 m.
Is MARUOKA MARU on the Master's Mate Safety Initiative Network?
Not yet. If MARUOKA MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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