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
TESSA
MMSI 244700879 · Call sign PD2538
Not yet on Master's MateType
Tanker
Flag
NLDLength
80 m
Beam
9 m
Call sign
PD2538
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
32
TESSA is a tank ship wearing Dutch colours, 80 metres in length. TESSA has a 9 m beam. She broadcasts as MMSI 244700879, call sign PD2538. TESSA can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on TESSA, 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 3, 2026
Position
52.3266° N, 9.0822° E
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 TESSA 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 TESSA and switch it all on
Free to join · nothing to install to start · cancel anytime
About TESSA
What kind of vessel is TESSA?
TESSA is a Tanker flagged to Netherlands.
Where was TESSA last seen?
TESSA was last reported in the North Sea in Jun 2026 on public AIS.
What is TESSA's MMSI?
TESSA's MMSI is 244700879. Call sign PD2538.
How big is TESSA?
TESSA is about 80 m long, 9 m on the beam.
Is TESSA on the Master's Mate Safety Initiative Network?
Not yet. If TESSA 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.