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.
Passenger
OOSHIMA
Passenger · last seen 34°N 133°E · Jun 2026 · MMSI 431023315 · Call sign JD5365
Not yet on Master's MateType
Passenger
Length
47 m
Beam
10 m
Draft
3.1 m
Call sign
JD5365
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
8
OOSHIMA is a passenger craft, spanning 47 metres. Her hull carries a beam of 10 m and a draft measuring 3.1 metres. She's listed under MMSI 431023315, call sign JD5365. OOSHIMA 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 passenger & charter operators
Keep every soul aboard OOSHIMA safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 23:18 UTC
Position
34.0974° N, 133.1168° E
Status
Under way (engine)
Speed
11.9 kn
Course
254°
Destination
>JP IMB>SISAKA>IHA
ETA
06-16 17:00 UTC
Sailing 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 OOSHIMA on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 OOSHIMA and switch it all on
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About OOSHIMA
What kind of vessel is OOSHIMA?
OOSHIMA is a Passenger.
Where was OOSHIMA last seen?
OOSHIMA was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is OOSHIMA's MMSI?
OOSHIMA's MMSI is 431023315. Call sign JD5365.
How big is OOSHIMA?
OOSHIMA is about 47 m long, 10 m on the beam, drawing 3.1 m.
Is OOSHIMA on the Master's Mate Safety Initiative Network?
Not yet. If OOSHIMA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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