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
KOTA JOHAN
MMSI 563240600 · Call sign 9VBX4
Not yet on Master's MateType
Cargo
Flag
SGPLength
172 m
Beam
30 m
Draft
8.4 m
Call sign
9VBX4
IMO
9641003
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
KOTA JOHAN is a cargo ship wearing Singaporean colours, 172 metres in length. KOTA JOHAN has a 30 m beam and a 8.4 m draft. On AIS she shows as MMSI 563240600, call sign 9VBX4, IMO 9641003. KOTA JOHAN is welcome on the Master's Mate Safety Initiative Network — free situational awareness and a watch network shared by vessels of every size.
Free forever · No credit card · for commercial operators
Eyes on KOTA JOHAN, 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 4, 2026
Position
1.2149° N, 103.8902° E
Transiting the Strait of Malacca? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put KOTA JOHAN 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 KOTA JOHAN and switch it all on
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About KOTA JOHAN
What kind of vessel is KOTA JOHAN?
KOTA JOHAN is a Cargo flagged to Singapore.
Where was KOTA JOHAN last seen?
KOTA JOHAN was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is KOTA JOHAN's MMSI?
KOTA JOHAN's MMSI is 563240600. Call sign 9VBX4. IMO 9641003.
How big is KOTA JOHAN?
KOTA JOHAN is about 172 m long, 30 m on the beam, drawing 8.4 m.
Is KOTA JOHAN on the Master's Mate Safety Initiative Network?
Not yet. If KOTA JOHAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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