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.
Recreational
C CASTLE
U.S. Official No. 956151
Not yet on Master's MateType
Recreational
Flag
USALength
11.9 m
Beam
3.8 m
Draft
1.9 m
First reported
Jun 2026
AIS reports
1
Out of the United States, C CASTLE is an 11.9-metre pleasure boat. Her hull carries a 3.8-metre beam and a draft measuring 1.9 metres. Find her under U.S. official number 956151. C CASTLE belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for recreational captains
Keep C CASTLE 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
Wherever C CASTLE 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 C CASTLE 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 C CASTLE and switch it all on
Free to join · nothing to install to start · cancel anytime
About C CASTLE
What kind of vessel is C CASTLE?
C CASTLE is a Recreational flagged to United States of America.
What is C CASTLE's U.S. Official No.?
C CASTLE's U.S. Official No. is 956151.
How big is C CASTLE?
C CASTLE is about 11.9 m long, 3.8 m on the beam, drawing 1.9 m.
Is C CASTLE on the Master's Mate Safety Initiative Network?
Not yet. If C CASTLE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.