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.
Passenger
CLONTARF
MMSI 503106810 · Call sign 457599
Not yet on Master's MateType
Passenger
Flag
AUSLength
35 m
Beam
10 m
Call sign
457599
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
CLONTARF is an excursion vessel wearing Australian colours, 35 metres from stem to stern. CLONTARF has 10 metres in the beam. Officially she's MMSI 503106810, call sign 457599. Claim CLONTARF free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard CLONTARF safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Live AIS position · Jun 9, 2026 03:58 UTC
Position
33.8267° S, 151.2759° E
Status
Under way (engine)
Speed
22.5 kn
Course
39°
Destination
MANLY
Sailing the Tasman Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put CLONTARF 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.
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About CLONTARF
What kind of vessel is CLONTARF?
CLONTARF is a Passenger flagged to Ashmore and Cartier Islands.
Where was CLONTARF last seen?
CLONTARF was last reported in the Tasman Sea in Jun 2026 on public AIS.
What is CLONTARF's MMSI?
CLONTARF's MMSI is 503106810. Call sign 457599.
How big is CLONTARF?
CLONTARF is about 35 m long, 10 m on the beam.
Is CLONTARF on the Master's Mate Safety Initiative Network?
Not yet. If CLONTARF is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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