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.
Freight Ship
MAERSK CHICAGO
MMSI 338408000 · Call sign WMCS
Not yet on Master's MateType
Freight Ship
Flag
USALength
287.5 m
Beam
40 m
Draft
20.3 m
Call sign
WMCS
IMO
9332975
Official No.
1245544
AIS reports
2
Out of the United States, MAERSK CHICAGO is a 287.5-metre ocean freighter. Below, she has a 40 m beam and a draft of 20.3 m. On AIS she shows as MMSI 338408000, call sign WMCS, IMO 9332975. Give MAERSK CHICAGO the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for commercial operators
Eyes on MAERSK CHICAGO, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 22:44 UTC
Position
40.6714° N, 74.1404° W
Status
Moored
Speed
0.0 kn
Course
335°
Destination
USEWR
ETA
06-09 07:00 UTC
Transiting off the U.S. East Coast? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MAERSK CHICAGO on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 MAERSK CHICAGO and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAERSK CHICAGO
What kind of vessel is MAERSK CHICAGO?
MAERSK CHICAGO is a Freight Ship flagged to United States of America.
Where was MAERSK CHICAGO last seen?
MAERSK CHICAGO was last reported in off the U.S. East Coast on public AIS.
What is MAERSK CHICAGO's MMSI?
MAERSK CHICAGO's MMSI is 338408000. Call sign WMCS. IMO 9332975.
How big is MAERSK CHICAGO?
MAERSK CHICAGO is about 287.5 m long, 40 m on the beam, drawing 20.3 m.
Is MAERSK CHICAGO on the Master's Mate Safety Initiative Network?
Not yet. If MAERSK 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.