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
WALASUJI 1602
MMSI 525110411 · Call sign YDD4146
Not yet on Master's MateType
Tug
Flag
IDNLength
24 m
Beam
8 m
Draft
25.5 m
Call sign
YDD4146
IMO
1164396
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
78
WALASUJI 1602, a working tug registered in Indonesia, measures 24 metres on deck. She's built with a beam of 8 m. Look for MMSI 525110411, call sign YDD4146, IMO 1164396. WALASUJI 1602 can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like WALASUJI 1602.
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
5.9589° S, 106.9643° E
Wherever WALASUJI 1602 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 WALASUJI 1602 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 WALASUJI 1602 and switch it all on
Free to join · nothing to install to start · cancel anytime
About WALASUJI 1602
What kind of vessel is WALASUJI 1602?
WALASUJI 1602 is a Tug flagged to Indonesia.
Where was WALASUJI 1602 last seen?
WALASUJI 1602 was last reported in around 6°S 107°E in Jun 2026 on public AIS.
What is WALASUJI 1602's MMSI?
WALASUJI 1602's MMSI is 525110411. Call sign YDD4146. IMO 1164396.
How big is WALASUJI 1602?
WALASUJI 1602 is about 24 m long, 8 m on the beam, drawing 25.5 m.
Is WALASUJI 1602 on the Master's Mate Safety Initiative Network?
Not yet. If WALASUJI 1602 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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