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.
Dredging
CITY OF LONDON
MMSI 233322000 · Call sign GKGF
Not yet on Master's MateType
Dredging
Flag
GBRLength
99 m
Beam
17 m
Draft
5.8 m
Call sign
GKGF
IMO
8806058
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
CITY OF LONDON, a British work boat, measures 99 metres on deck. Her hull carries a 17 m beam and a draft measuring 5.8 metres. She's listed under MMSI 233322000, call sign GKGF, IMO 8806058. Working vessels like CITY OF LONDON are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like CITY OF LONDON.
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
Last known position · Jun 4, 2026
Position
54.5801° N, 1.2055° W
Working the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put CITY OF LONDON 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 CITY OF LONDON and switch it all on
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About CITY OF LONDON
What kind of vessel is CITY OF LONDON?
CITY OF LONDON is a Dredging flagged to United Kingdom.
Where was CITY OF LONDON last seen?
CITY OF LONDON was last reported in the North Sea in Jun 2026 on public AIS.
What is CITY OF LONDON's MMSI?
CITY OF LONDON's MMSI is 233322000. Call sign GKGF. IMO 8806058.
How big is CITY OF LONDON?
CITY OF LONDON is about 99 m long, 17 m on the beam, drawing 5.8 m.
Is CITY OF LONDON on the Master's Mate Safety Initiative Network?
Not yet. If CITY OF LONDON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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