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.
Cargo
SIAN
MMSI 636021210 · Call sign 5LCU9
Not yet on Master's MateType
Cargo
Flag
LBRLength
229 m
Beam
32 m
Draft
7 m
Call sign
5LCU9
IMO
9942639
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
SIAN is a Liberian general cargo ship, spanning 229 metres. Below, she has a 32-metre beam and a draft measuring 7 metres. She's on record as MMSI 636021210, call sign 5LCU9, IMO 9942639. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — SIAN included.
Free forever · No credit card · for commercial operators
Eyes on SIAN, 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 10:11 UTC
Position
47.3071° N, 122.4959° W
Status
At anchor
Speed
0.1 kn
Course
148°
Destination
TACOMA
ETA
06-03 03:30 UTC
Transiting the Salish 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SIAN 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 SIAN and switch it all on
Free to join · nothing to install to start · cancel anytime
About SIAN
What kind of vessel is SIAN?
SIAN is a Cargo flagged to Liberia.
Where was SIAN last seen?
SIAN was last reported in the Salish Sea in Jun 2026 on public AIS.
What is SIAN's MMSI?
SIAN's MMSI is 636021210. Call sign 5LCU9. IMO 9942639.
How big is SIAN?
SIAN is about 229 m long, 32 m on the beam, drawing 7 m.
Is SIAN on the Master's Mate Safety Initiative Network?
Not yet. If SIAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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