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.
Pilot
AHTO-25
MMSI 276675000 · Call sign ES2677
Not yet on Master's MateType
Pilot
Flag
ESTLength
17 m
Beam
5 m
Draft
1.8 m
Call sign
ES2677
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
AHTO-25, an utility boat under the Estonian flag, measures 17 metres on deck. She carries a 5 m beam and a 1.8-metre draft. On AIS she appears as MMSI 276675000, call sign ES2677. Put AHTO-25 on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like AHTO-25.
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 4, 2026
Position
59.4578° N, 24.7197° E
Working the Baltic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put AHTO-25 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 AHTO-25 and switch it all on
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About AHTO-25
What kind of vessel is AHTO-25?
AHTO-25 is a Pilot flagged to Estonia.
Where was AHTO-25 last seen?
AHTO-25 was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is AHTO-25's MMSI?
AHTO-25's MMSI is 276675000. Call sign ES2677.
How big is AHTO-25?
AHTO-25 is about 17 m long, 5 m on the beam, drawing 1.8 m.
Is AHTO-25 on the Master's Mate Safety Initiative Network?
Not yet. If AHTO-25 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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