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.
Wing-in-ground
THERESE
MMSI 211484640 · Call sign DB5985
Not yet on Master's MateType
Wing-in-ground
Flag
DEULength
81 m
Beam
9 m
Call sign
DB5985
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
THERESE is a German vessel, 81 metres LOA. Her hull carries a 9 m beam. Her papers read MMSI 211484640, call sign DB5985. THERESE can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card
Is THERESE your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
51.6792° N, 7.7729° E
Crossing 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put THERESE on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim THERESE and switch it all on
Free to join · nothing to install to start · cancel anytime
About THERESE
What kind of vessel is THERESE?
THERESE is a Wing-in-ground flagged to Germany.
Where was THERESE last seen?
THERESE was last reported in the North Sea in Jun 2026 on public AIS.
What is THERESE's MMSI?
THERESE's MMSI is 211484640. Call sign DB5985.
How big is THERESE?
THERESE is about 81 m long, 9 m on the beam.
Is THERESE on the Master's Mate Safety Initiative Network?
Not yet. If THERESE 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.