Sign up free Dashboard Log out
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.
Port Tender

C HORIZON

MMSI 232053026 · Call sign MOSX6

Not yet on Master's Mate
Type
Port Tender
Flag
GBRGBR
Length
26 m
Beam
11 m
Draft
3.3 m
Call sign
MOSX6
IMO
9928425
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
83

C HORIZON, a working craft on the the United Kingdom registry, measures 26 metres on deck. Her hull carries 11 metres in the beam and a draft of 3.3 m. She's on record as MMSI 232053026, call sign MOSX6, IMO 9928425. Join C HORIZON to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card · for working boats

Built for boats that work — like C HORIZON.

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

Live AIS position · Jun 9, 2026 05:00 UTC
Position
51.9773° N, 4.1221° E
Status
Moored
Speed
0.0 kn
Course
103°
Destination
BERGHAVEN
ETA
06-08 08:00 UTC
Working the North Sea? 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 C HORIZON 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 C HORIZON and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About C HORIZON

What kind of vessel is C HORIZON?
C HORIZON is a Port Tender flagged to United Kingdom.
Where was C HORIZON last seen?
C HORIZON was last reported in the North Sea in Jun 2026 on public AIS.
What is C HORIZON's MMSI?
C HORIZON's MMSI is 232053026. Call sign MOSX6. IMO 9928425.
How big is C HORIZON?
C HORIZON is about 26 m long, 11 m on the beam, drawing 3.3 m.
Is C HORIZON on the Master's Mate Safety Initiative Network?
Not yet. If C HORIZON 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.