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 IX
MMSI 525200437 · Call sign YCKI2
Not yet on Master's MateType
Tanker
Flag
IDNLength
91 m
Beam
16 m
Draft
4.6 m
Call sign
YCKI2
IMO
9861940
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
SEROJA IX is an Indonesian tanker, spanning 91 metres. Her hull carries 16 metres in the beam and a draft measuring 4.6 metres. Look for MMSI 525200437, call sign YCKI2, IMO 9861940. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — SEROJA IX included.
Free forever · No credit card · for commercial operators
Eyes on SEROJA IX, 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 2, 2026
Position
10.1912° S, 123.5035° E
Wherever SEROJA IX 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 IX 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 IX and switch it all on
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About SEROJA IX
What kind of vessel is SEROJA IX?
SEROJA IX is a Tanker flagged to Indonesia.
Where was SEROJA IX last seen?
SEROJA IX was last reported in around 10°S 124°E in Jun 2026 on public AIS.
What is SEROJA IX's MMSI?
SEROJA IX's MMSI is 525200437. Call sign YCKI2. IMO 9861940.
How big is SEROJA IX?
SEROJA IX is about 91 m long, 16 m on the beam, drawing 4.6 m.
Is SEROJA IX on the Master's Mate Safety Initiative Network?
Not yet. If SEROJA IX is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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