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
MARS
MMSI 276421000 · Call sign ESPS
Not yet on Master's MateType
Tug
Flag
ESTLength
32 m
Beam
11 m
Draft
4.1 m
Call sign
ESPS
IMO
92224170
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
65
MARS, a harbour tug registered in Estonia, measures 32 metres on deck. She has a beam of 11 m and a draft of 4.1 m. She's listed under MMSI 276421000, call sign ESPS. Claim MARS free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like MARS.
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 8, 2026 23:06 UTC
Position
59.3348° N, 24.0792° E
Status
Moored
Speed
0.0 kn
Course
97°
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.
Free with your claim · for working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MARS 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 MARS and switch it all on
Free to join · nothing to install to start · cancel anytime
About MARS
What kind of vessel is MARS?
MARS is a Tug flagged to Estonia.
Where was MARS last seen?
MARS was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is MARS's MMSI?
MARS's MMSI is 276421000. Call sign ESPS. IMO 92224170.
How big is MARS?
MARS is about 32 m long, 11 m on the beam, drawing 4.1 m.
Is MARS on the Master's Mate Safety Initiative Network?
Not yet. If MARS 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.