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 WILLEMSTADT
MMSI 563148200 · Call sign 9V7729
Not yet on Master's MateType
Cargo
Flag
SGPLength
254 m
Beam
32 m
Draft
10.5 m
Call sign
9V7729
IMO
9362401
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
A Singaporean merchant vessel, MAERSK WILLEMSTADT measures 254 metres. She carries a 32-metre beam and a 10.5 m draft. Officially she's MMSI 563148200, call sign 9V7729, IMO 9362401. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — MAERSK WILLEMSTADT included.
Free forever · No credit card · for commercial operators
Eyes on MAERSK WILLEMSTADT, 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
Last known position · Jun 4, 2026
Position
37.6141° S, 176.2679° E
Wherever MAERSK WILLEMSTADT 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MAERSK WILLEMSTADT 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 WILLEMSTADT and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAERSK WILLEMSTADT
What kind of vessel is MAERSK WILLEMSTADT?
MAERSK WILLEMSTADT is a Cargo flagged to Singapore.
Where was MAERSK WILLEMSTADT last seen?
MAERSK WILLEMSTADT was last reported in around 38°S 176°E in Jun 2026 on public AIS.
What is MAERSK WILLEMSTADT's MMSI?
MAERSK WILLEMSTADT's MMSI is 563148200. Call sign 9V7729. IMO 9362401.
How big is MAERSK WILLEMSTADT?
MAERSK WILLEMSTADT is about 254 m long, 32 m on the beam, drawing 10.5 m.
Is MAERSK WILLEMSTADT on the Master's Mate Safety Initiative Network?
Not yet. If MAERSK WILLEMSTADT 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.