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
CHALLENGER
MMSI 244670574 · Call sign PH2726
Not yet on Master's MateType
Tanker
Flag
NLDLength
82 m
Beam
9 m
Call sign
PH2726
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
82
On the Dutch registry, CHALLENGER is an 82-metre tank ship. Her hull carries 9 metres in the beam. Officially she's MMSI 244670574, call sign PH2726. Add CHALLENGER to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on CHALLENGER, 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 08:36 UTC
Position
51.8578° N, 4.6526° E
Status
Under way (engine)
Speed
10.3 kn
Course
148°
Destination
TERNEUZEN
ETA
07-29 13:00 UTC
Transiting the North Sea? 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 CHALLENGER 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 CHALLENGER and switch it all on
Free to join · nothing to install to start · cancel anytime
About CHALLENGER
What kind of vessel is CHALLENGER?
CHALLENGER is a Tanker flagged to Netherlands.
Where was CHALLENGER last seen?
CHALLENGER was last reported in the North Sea in Jun 2026 on public AIS.
What is CHALLENGER's MMSI?
CHALLENGER's MMSI is 244670574. Call sign PH2726.
How big is CHALLENGER?
CHALLENGER is about 82 m long, 9 m on the beam.
Is CHALLENGER on the Master's Mate Safety Initiative Network?
Not yet. If CHALLENGER 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.