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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.
Passenger
TOPAZ OF DUMAI
MMSI 525901435 · Call sign YBA3135
Not yet on Master's MateType
Passenger
Flag
IDNLength
30 m
Beam
7 m
Draft
1.4 m
Call sign
YBA3135
IMO
1117824
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
18
On the Indonesian registry, TOPAZ OF DUMAI is a 30-metre ferry vessel. Her hull carries a 7 m beam and a draft of 1.4 m. Her registration reads MMSI 525901435, call sign YBA3135, IMO 1117824. For a boat that carries people, TOPAZ OF DUMAI can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard TOPAZ OF DUMAI safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
1.1135° N, 103.7465° E
Sailing the Strait of Malacca? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put TOPAZ OF DUMAI on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 TOPAZ OF DUMAI and switch it all on
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About TOPAZ OF DUMAI
What kind of vessel is TOPAZ OF DUMAI?
TOPAZ OF DUMAI is a Passenger flagged to Indonesia.
Where was TOPAZ OF DUMAI last seen?
TOPAZ OF DUMAI was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is TOPAZ OF DUMAI's MMSI?
TOPAZ OF DUMAI's MMSI is 525901435. Call sign YBA3135. IMO 1117824.
How big is TOPAZ OF DUMAI?
TOPAZ OF DUMAI is about 30 m long, 7 m on the beam, drawing 1.4 m.
Is TOPAZ OF DUMAI on the Master's Mate Safety Initiative Network?
Not yet. If TOPAZ OF DUMAI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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