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
SADAMARU NO.20
Cargo · last seen 35°N 135°E · Jun 2026 · MMSI 431021592 · Call sign JD5225
Not yet on Master's MateType
Cargo
Length
68 m
Beam
13 m
Draft
5 m
Call sign
JD5225
IMO
9973755
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
SADAMARU NO.20 is a merchant ship, 68 metres on deck. Her hull carries a 13-metre beam and a draft measuring 5 metres. Find her under MMSI 431021592, call sign JD5225, IMO 9973755. Bring SADAMARU NO.20 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on SADAMARU NO.20, 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 12:15 UTC
Position
34.7822° N, 134.6551° E
Status
Moored
Speed
0.0 kn
Course
137°
Destination
>JP HIM
ETA
06-14 23:00 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.
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 SADAMARU NO.20 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 SADAMARU NO.20 and switch it all on
Free to join · nothing to install to start · cancel anytime
About SADAMARU NO.20
What kind of vessel is SADAMARU NO.20?
SADAMARU NO.20 is a Cargo.
Where was SADAMARU NO.20 last seen?
SADAMARU NO.20 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SADAMARU NO.20's MMSI?
SADAMARU NO.20's MMSI is 431021592. Call sign JD5225. IMO 9973755.
How big is SADAMARU NO.20?
SADAMARU NO.20 is about 68 m long, 13 m on the beam, drawing 5 m.
Is SADAMARU NO.20 on the Master's Mate Safety Initiative Network?
Not yet. If SADAMARU NO.20 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.