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
SYNTHESE 21
MMSI 211493390 · Call sign DC7995
Not yet on Master's MateType
Tanker
Flag
DEULength
104 m
Beam
9 m
Draft
2.1 m
Call sign
DC7995
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
60
Registered in Germany, SYNTHESE 21 is a 104-metre tanker. She has a 9-metre beam and a draft measuring 2.1 metres. Find her under MMSI 211493390, call sign DC7995. SYNTHESE 21 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 SYNTHESE 21, 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
51.8555° N, 6.0910° 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.
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Joining the Safety Initiative Network doesn't just put SYNTHESE 21 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 SYNTHESE 21 and switch it all on
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About SYNTHESE 21
What kind of vessel is SYNTHESE 21?
SYNTHESE 21 is a Tanker flagged to Germany.
Where was SYNTHESE 21 last seen?
SYNTHESE 21 was last reported in the North Sea in Jun 2026 on public AIS.
What is SYNTHESE 21's MMSI?
SYNTHESE 21's MMSI is 211493390. Call sign DC7995.
How big is SYNTHESE 21?
SYNTHESE 21 is about 104 m long, 9 m on the beam, drawing 2.1 m.
Is SYNTHESE 21 on the Master's Mate Safety Initiative Network?
Not yet. If SYNTHESE 21 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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