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
CITY DELTA
MMSI 235054920 · Call sign ZISU8
Not yet on Master's MateType
Passenger
Flag
GBRLength
31 m
Beam
8 m
Draft
1 m
Call sign
ZISU8
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
32
Out of the United Kingdom, CITY DELTA is a 31-metre passenger boat. CITY DELTA has a beam of 8 m and a 1 m draft. On the registers she's MMSI 235054920, call sign ZISU8. Add CITY DELTA to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard CITY DELTA safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 16:30 UTC
Position
51.5012° N, 0.0615° W
Status
Under way (engine)
Speed
0.0 kn
Course
338°
Destination
LONDON
Sailing 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CITY DELTA 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.
Claim CITY DELTA and switch it all on
Free to join · nothing to install to start · cancel anytime
About CITY DELTA
What kind of vessel is CITY DELTA?
CITY DELTA is a Passenger flagged to United Kingdom.
Where was CITY DELTA last seen?
CITY DELTA was last reported in the North Sea in Jun 2026 on public AIS.
What is CITY DELTA's MMSI?
CITY DELTA's MMSI is 235054920. Call sign ZISU8.
How big is CITY DELTA?
CITY DELTA is about 31 m long, 8 m on the beam, drawing 1 m.
Is CITY DELTA on the Master's Mate Safety Initiative Network?
Not yet. If CITY DELTA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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