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.
High-speed Craft
EXPRESSBAHARI3B
MMSI 525007371 · Call sign YB4528
Not yet on Master's MateType
High-speed Craft
Flag
IDNLength
31 m
Beam
5 m
Draft
1.5 m
Call sign
YB4528
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
30
EXPRESSBAHARI3B is an Indonesian passenger ship — 31 metres overall. Below, she has a 5 m beam and a draft measuring 1.5 metres. Her registration reads MMSI 525007371, call sign YB4528. EXPRESSBAHARI3B is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard EXPRESSBAHARI3B 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
2.5749° S, 104.9439° E
Wherever EXPRESSBAHARI3B 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put EXPRESSBAHARI3B 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 EXPRESSBAHARI3B and switch it all on
Free to join · nothing to install to start · cancel anytime
About EXPRESSBAHARI3B
What kind of vessel is EXPRESSBAHARI3B?
EXPRESSBAHARI3B is a High-speed Craft flagged to Indonesia.
Where was EXPRESSBAHARI3B last seen?
EXPRESSBAHARI3B was last reported in around 3°S 105°E in Jun 2026 on public AIS.
What is EXPRESSBAHARI3B's MMSI?
EXPRESSBAHARI3B's MMSI is 525007371. Call sign YB4528.
How big is EXPRESSBAHARI3B?
EXPRESSBAHARI3B is about 31 m long, 5 m on the beam, drawing 1.5 m.
Is EXPRESSBAHARI3B on the Master's Mate Safety Initiative Network?
Not yet. If EXPRESSBAHARI3B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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