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
THERA
MMSI 244700581 · Call sign PB3810
Not yet on Master's MateType
Tanker
Flag
NLDLength
140 m
Beam
12 m
Draft
2.1 m
Call sign
PB3810
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
THERA, a tank ship on the the Netherlands registry, measures 140 metres on deck. THERA has a beam of 12 m and a 2.1 m draft. On AIS she shows as MMSI 244700581, call sign PB3810. The Master's Mate Safety Initiative Network welcomes THERA — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for commercial operators
Eyes on THERA, 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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Live AIS position · Jun 9, 2026 08:33 UTC
Position
51.3425° N, 6.6857° E
Status
Under way (engine)
Speed
4.7 kn
Course
110°
Destination
BASF LUDWIGSHAFEN
ETA
06-10 21:40 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.
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Joining the Safety Initiative Network doesn't just put THERA 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 THERA and switch it all on
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About THERA
What kind of vessel is THERA?
THERA is a Tanker flagged to Netherlands.
Where was THERA last seen?
THERA was last reported in the North Sea in Jun 2026 on public AIS.
What is THERA's MMSI?
THERA's MMSI is 244700581. Call sign PB3810.
How big is THERA?
THERA is about 140 m long, 12 m on the beam, drawing 2.1 m.
Is THERA on the Master's Mate Safety Initiative Network?
Not yet. If THERA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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