Sign up free Dashboard Log out
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

MASTER

MMSI 210391000 · Call sign 5BYS5

Not yet on Master's Mate
Type
Tug
Flag
CYPCYP
Length
31 m
Beam
10 m
Draft
4.3 m
Call sign
5BYS5
IMO
7711799
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85

MASTER is a Cypriot tugboat — 31 metres overall. MASTER has a 10 m beam and a 4.3 m draft. She's on record as MMSI 210391000, call sign 5BYS5, IMO 7711799. There's a place for MASTER on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for working boats

Built for boats that work — like MASTER.

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
43.5636° N, 10.2999° E
Working the Tyrrhenian 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 MASTER 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 MASTER and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About MASTER

What kind of vessel is MASTER?
MASTER is a Tug flagged to Cyprus.
Where was MASTER last seen?
MASTER was last reported in the Tyrrhenian Sea in Jun 2026 on public AIS.
What is MASTER's MMSI?
MASTER's MMSI is 210391000. Call sign 5BYS5. IMO 7711799.
How big is MASTER?
MASTER is about 31 m long, 10 m on the beam, drawing 4.3 m.
Is MASTER on the Master's Mate Safety Initiative Network?
Not yet. If MASTER 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.