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.
Port Tender
GEO EXPLORER
MMSI 211110680 · Call sign DC3557
Not yet on Master's MateType
Port Tender
Flag
DEULength
8 m
Beam
2 m
Draft
0.7 m
Call sign
DC3557
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
34
GEO EXPLORER is a German 8-metre working vessel. She has 2 metres in the beam and a draft measuring 0.7 metres. On AIS she appears as MMSI 211110680, call sign DC3557. Give GEO EXPLORER the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like GEO EXPLORER.
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
Last known position · Jun 3, 2026
Position
53.6790° N, 7.5709° E
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Joining the Safety Initiative Network doesn't just put GEO EXPLORER 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 GEO EXPLORER and switch it all on
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About GEO EXPLORER
What kind of vessel is GEO EXPLORER?
GEO EXPLORER is a Port Tender flagged to Germany.
Where was GEO EXPLORER last seen?
GEO EXPLORER was last reported in the North Sea in Jun 2026 on public AIS.
What is GEO EXPLORER's MMSI?
GEO EXPLORER's MMSI is 211110680. Call sign DC3557.
How big is GEO EXPLORER?
GEO EXPLORER is about 8 m long, 2 m on the beam, drawing 0.7 m.
Is GEO EXPLORER on the Master's Mate Safety Initiative Network?
Not yet. If GEO EXPLORER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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