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.
Tanker
WITHAM
MMSI 563215400 · Call sign 9V9478
Not yet on Master's MateType
Tanker
Flag
SGPLength
183 m
Beam
32 m
Draft
8 m
Call sign
9V9478
IMO
9865764
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in Singapore, WITHAM is an 183-metre tank vessel. She carries a beam measuring 32 metres and a 8 m draft. Her papers read MMSI 563215400, call sign 9V9478, IMO 9865764. Join WITHAM to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on WITHAM, 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 08:31 UTC
Position
3.1493° S, 59.9352° W
Status
At anchor
Speed
0.1 kn
Course
297°
Destination
MANAUS
ETA
06-09 07:00 UTC
Wherever WITHAM 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 WITHAM 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 WITHAM and switch it all on
Free to join · nothing to install to start · cancel anytime
About WITHAM
What kind of vessel is WITHAM?
WITHAM is a Tanker flagged to Singapore.
Where was WITHAM last seen?
WITHAM was last reported in around 3°S 60°W in Jun 2026 on public AIS.
What is WITHAM's MMSI?
WITHAM's MMSI is 563215400. Call sign 9V9478. IMO 9865764.
How big is WITHAM?
WITHAM is about 183 m long, 32 m on the beam, drawing 8 m.
Is WITHAM on the Master's Mate Safety Initiative Network?
Not yet. If WITHAM is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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