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.
Tanker
SIFNOS
MMSI 636025558 · Call sign 5LYA6
Not yet on Master's MateType
Tanker
Flag
LBRLength
183 m
Beam
32 m
Draft
12.8 m
Call sign
5LYA6
IMO
9405564
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
15
SIFNOS is a tanker listed on the Liberia registry, 183 metres on deck. Her hull carries a beam of 32 m and a draft measuring 12.8 metres. She's listed under MMSI 636025558, call sign 5LYA6, IMO 9405564. Bring SIFNOS aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on SIFNOS, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 10:03 UTC
Position
36.6394° N, 9.0264° W
Status
Under way (engine)
Speed
11.8 kn
Course
283°
Destination
PTSIE
ETA
06-09 17:00 UTC
Wherever SIFNOS roams, 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SIFNOS on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 SIFNOS and switch it all on
Free to join · nothing to install to start · cancel anytime
About SIFNOS
What kind of vessel is SIFNOS?
SIFNOS is a Tanker flagged to Liberia.
Where was SIFNOS last seen?
SIFNOS was last reported in around 41°N 2°E in Jun 2026 on public AIS.
What is SIFNOS's MMSI?
SIFNOS's MMSI is 636025558. Call sign 5LYA6. IMO 9405564.
How big is SIFNOS?
SIFNOS is about 183 m long, 32 m on the beam, drawing 12.8 m.
Is SIFNOS on the Master's Mate Safety Initiative Network?
Not yet. If SIFNOS 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.