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.
Pleasure Craft
CASTLEFINN
Pleasure Craft · last seen 26°N 80°W · Jun 2026 · MMSI 319318900 · Call sign ZGUP4
Not yet on Master's MateType
Pleasure Craft
Length
36 m
Beam
8 m
Draft
2.2 m
Call sign
ZGUP4
IMO
9992749
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
CASTLEFINN is a 36-metre weekend cruiser. Below, she has 8 metres in the beam and a draft of 2.2 m. She's listed under MMSI 319318900, call sign ZGUP4, IMO 9992749. There's a place for CASTLEFINN on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for recreational captains
Keep CASTLEFINN looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 17:54 UTC
Position
26.0866° N, 80.1856° W
Status
Moored
Speed
0.0 kn
Course
285°
Destination
BRADFORD
ETA
04-21 11:00 UTC
Wherever CASTLEFINN 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CASTLEFINN on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim CASTLEFINN and switch it all on
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About CASTLEFINN
What kind of vessel is CASTLEFINN?
CASTLEFINN is a Pleasure Craft.
Where was CASTLEFINN last seen?
CASTLEFINN was last reported in around 26°N 80°W in Jun 2026 on public AIS.
What is CASTLEFINN's MMSI?
CASTLEFINN's MMSI is 319318900. Call sign ZGUP4. IMO 9992749.
How big is CASTLEFINN?
CASTLEFINN is about 36 m long, 8 m on the beam, drawing 2.2 m.
Is CASTLEFINN on the Master's Mate Safety Initiative Network?
Not yet. If CASTLEFINN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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