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.
Cargo
STOSS
MMSI 211557580 · Call sign DC3501
Not yet on Master's MateType
Cargo
Flag
DEULength
59 m
Beam
12 m
Call sign
DC3501
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
79
STOSS is a German ocean freighter, 59 metres LOA. She has a beam of 12 m. On AIS she shows as MMSI 211557580, call sign DC3501. Sign STOSS up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on STOSS, 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 07:05 UTC
Position
49.4773° N, 8.5874° E
Status
Moored
Speed
0.0 kn
Course
360°
Wherever STOSS 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 STOSS 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 STOSS and switch it all on
Free to join · nothing to install to start · cancel anytime
About STOSS
What kind of vessel is STOSS?
STOSS is a Cargo flagged to Germany.
Where was STOSS last seen?
STOSS was last reported in around 49°N 9°E in Jun 2026 on public AIS.
What is STOSS's MMSI?
STOSS's MMSI is 211557580. Call sign DC3501.
How big is STOSS?
STOSS is about 59 m long, 12 m on the beam.
Is STOSS on the Master's Mate Safety Initiative Network?
Not yet. If STOSS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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