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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
SEROJA XII
MMSI 525020228 · Call sign YDOA
Not yet on Master's MateType
Tanker
Flag
IDNLength
84 m
Beam
16 m
Draft
4.6 m
Call sign
YDOA
IMO
9734422
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
4
Registered in Indonesia, SEROJA XII is an 84-metre tanker. Her hull carries a 16 m beam and a draft measuring 4.6 metres. On AIS she appears as MMSI 525020228, call sign YDOA, IMO 9734422. Join SEROJA XII to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Eyes on SEROJA XII, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
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Last known position · Jun 4, 2026
Position
10.1352° S, 123.4979° E
Wherever SEROJA XII roams, you're never out there alone.
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Joining the Safety Initiative Network doesn't just put SEROJA XII 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.
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About SEROJA XII
What kind of vessel is SEROJA XII?
SEROJA XII is a Tanker flagged to Indonesia.
Where was SEROJA XII last seen?
SEROJA XII was last reported in around 10°S 123°E in Jun 2026 on public AIS.
What is SEROJA XII's MMSI?
SEROJA XII's MMSI is 525020228. Call sign YDOA. IMO 9734422.
How big is SEROJA XII?
SEROJA XII is about 84 m long, 16 m on the beam, drawing 4.6 m.
Is SEROJA XII on the Master's Mate Safety Initiative Network?
Not yet. If SEROJA XII is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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