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.
Towing Vessel
City Of Chicago
MMSI 366995960 · Call sign WDC2646
Not yet on Master's MateType
Towing Vessel
Flag
USALength
39.6 m
Beam
13.4 m
Draft
3.4 m
Call sign
WDC2646
IMO
8845353
Official No.
650617
AIS reports
1
City Of Chicago, an American utility vessel, measures 39.6 metres on deck. City Of Chicago has a beam of 13.4 m and a 3.4-metre draft. Find her under MMSI 366995960, call sign WDC2646, IMO 8845353. City Of Chicago is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working boats
Built for boats that work — like City Of Chicago.
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
Wherever City Of Chicago 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put City Of Chicago 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 Chicago and switch it all on
Free to join · nothing to install to start · cancel anytime
About City Of Chicago
What kind of vessel is City Of Chicago?
City Of Chicago is a Towing Vessel flagged to United States of America.
What is City Of Chicago's MMSI?
City Of Chicago's MMSI is 366995960. Call sign WDC2646. IMO 8845353.
How big is City Of Chicago?
City Of Chicago is about 39.6 m long, 13.4 m on the beam, drawing 3.4 m.
Is City Of Chicago on the Master's Mate Safety Initiative Network?
Not yet. If City Of Chicago 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.