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.
Tug
STERNBERG
MMSI 265073100 · Call sign SFE5720
Not yet on Master's MateType
Tug
Flag
SWELength
14 m
Beam
4 m
Draft
1.9 m
Call sign
SFE5720
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
On the Swedish registry, STERNBERG is a 14-metre tugboat. She's built with a beam measuring 4 metres and a 1.9 m draft. On AIS she shows as MMSI 265073100, call sign SFE5720. STERNBERG 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 working boats
Built for boats that work — like STERNBERG.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 11:40 UTC
Position
55.9269° N, 14.3094° E
Status
Restricted manoeuvrability
Speed
0.0 kn
Course
354°
Destination
AAHUS SE
ETA
06-25 09:30 UTC
Working the Baltic 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put STERNBERG on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 STERNBERG and switch it all on
Free to join · nothing to install to start · cancel anytime
About STERNBERG
What kind of vessel is STERNBERG?
STERNBERG is a Tug flagged to Sweden.
Where was STERNBERG last seen?
STERNBERG was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is STERNBERG's MMSI?
STERNBERG's MMSI is 265073100. Call sign SFE5720.
How big is STERNBERG?
STERNBERG is about 14 m long, 4 m on the beam, drawing 1.9 m.
Is STERNBERG on the Master's Mate Safety Initiative Network?
Not yet. If STERNBERG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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