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.
Tug
ZB PUTRI HARBOUR
MMSI 525015123 · Call sign YJA4228
Not yet on Master's MateType
Tug
Flag
IDNLength
29 m
Beam
10 m
Draft
3 m
Call sign
YJA4228
IMO
9343053
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
An Indonesian working tug, ZB PUTRI HARBOUR measures 29 metres. She's built with a 10 m beam and a 3-metre draft. Her papers read MMSI 525015123, call sign YJA4228, IMO 9343053. Give ZB PUTRI HARBOUR the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like ZB PUTRI HARBOUR.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
10.1953° S, 123.5268° E
Wherever ZB PUTRI HARBOUR 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ZB PUTRI HARBOUR on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 ZB PUTRI HARBOUR and switch it all on
Free to join · nothing to install to start · cancel anytime
About ZB PUTRI HARBOUR
What kind of vessel is ZB PUTRI HARBOUR?
ZB PUTRI HARBOUR is a Tug flagged to Indonesia.
Where was ZB PUTRI HARBOUR last seen?
ZB PUTRI HARBOUR was last reported in around 10°S 124°E in Jun 2026 on public AIS.
What is ZB PUTRI HARBOUR's MMSI?
ZB PUTRI HARBOUR's MMSI is 525015123. Call sign YJA4228. IMO 9343053.
How big is ZB PUTRI HARBOUR?
ZB PUTRI HARBOUR is about 29 m long, 10 m on the beam, drawing 3 m.
Is ZB PUTRI HARBOUR on the Master's Mate Safety Initiative Network?
Not yet. If ZB PUTRI HARBOUR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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