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
SEROJA XXIII
MMSI 525201794 · Call sign YDJC2
Not yet on Master's MateType
Tanker
Flag
IDNLength
99 m
Beam
16 m
Draft
2.7 m
Call sign
YDJC2
IMO
9922885
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
18
Registered in Indonesia, SEROJA XXIII is a 99-metre tank ship. SEROJA XXIII has a 16-metre beam and a 2.7 m draft. She's listed under MMSI 525201794, call sign YDJC2, IMO 9922885. Add SEROJA XXIII to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on SEROJA XXIII, 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
Last known position · Jun 3, 2026
Position
6.6297° S, 112.1257° E
Wherever SEROJA XXIII roams, 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 SEROJA XXIII 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 SEROJA XXIII and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEROJA XXIII
What kind of vessel is SEROJA XXIII?
SEROJA XXIII is a Tanker flagged to Indonesia.
Where was SEROJA XXIII last seen?
SEROJA XXIII was last reported in around 7°S 112°E in Jun 2026 on public AIS.
What is SEROJA XXIII's MMSI?
SEROJA XXIII's MMSI is 525201794. Call sign YDJC2. IMO 9922885.
How big is SEROJA XXIII?
SEROJA XXIII is about 99 m long, 16 m on the beam, drawing 2.7 m.
Is SEROJA XXIII on the Master's Mate Safety Initiative Network?
Not yet. If SEROJA XXIII 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.