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.

Cargo

MAERSK COLUMBUS

MMSI 338525000 · Call sign WMCU

Not yet on Master's Mate

Type

Cargo

Flag

USA

Length

299 m

Beam

40 m

Draft

11.7 m

Call sign

WMCU

IMO

9332987

Official No.

1074964

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

MAERSK COLUMBUS, a merchant ship on the the United States registry, measures 299 metres on deck. Her hull carries a beam of 40 m and a draft measuring 11.7 metres. On AIS she appears as MMSI 338525000, call sign WMCU, IMO 9332987. MAERSK COLUMBUS is welcome on the Master's Mate Safety Initiative Network — free situational awareness and a watch network shared by vessels of every size.

Free forever · No credit card · for commercial operators

Eyes on MAERSK COLUMBUS, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

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Last known position · Jun 2, 2026

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Position

29.3099° N, 94.6312° W

Transiting the Gulf of Mexico? You're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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Joining the Safety Initiative Network doesn't just put MAERSK COLUMBUS 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.

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About MAERSK COLUMBUS

What kind of vessel is MAERSK COLUMBUS?

MAERSK COLUMBUS is a Cargo flagged to United States of America.

Where was MAERSK COLUMBUS last seen?

MAERSK COLUMBUS was last reported in the Gulf of Mexico in Jun 2026 on public AIS.

What is MAERSK COLUMBUS's MMSI?

MAERSK COLUMBUS's MMSI is 338525000. Call sign WMCU. IMO 9332987.

How big is MAERSK COLUMBUS?

MAERSK COLUMBUS is about 299 m long, 40 m on the beam, drawing 11.7 m.

Is MAERSK COLUMBUS on the Master's Mate Safety Initiative Network?

Not yet. If MAERSK COLUMBUS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).