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
SL TONDOON
MMSI 503648000 · Call sign VHIE
Not yet on Master's MateType
Tug
Flag
AUSLength
30 m
Beam
12 m
Draft
5.5 m
Call sign
VHIE
IMO
9578505
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
47
SL TONDOON is an Australian tug — 30 metres overall. Her hull carries 12 metres in the beam and a draft measuring 5.5 metres. Her papers read MMSI 503648000, call sign VHIE, IMO 9578505. SL TONDOON belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Built for boats that work — like SL TONDOON.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Last known position · Jun 3, 2026
Position
23.8206° S, 151.2459° E
Working the Great Barrier Reef? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SL TONDOON 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 SL TONDOON and switch it all on
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About SL TONDOON
What kind of vessel is SL TONDOON?
SL TONDOON is a Tug flagged to Ashmore and Cartier Islands.
Where was SL TONDOON last seen?
SL TONDOON was last reported in the Great Barrier Reef in Jun 2026 on public AIS.
What is SL TONDOON's MMSI?
SL TONDOON's MMSI is 503648000. Call sign VHIE. IMO 9578505.
How big is SL TONDOON?
SL TONDOON is about 30 m long, 12 m on the beam, drawing 5.5 m.
Is SL TONDOON on the Master's Mate Safety Initiative Network?
Not yet. If SL TONDOON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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