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
YM THRONE
MMSI 636021693 · Call sign 5LFF8
Not yet on Master's MateType
Cargo
Flag
LBRLength
333 m
Beam
48 m
Draft
12.8 m
Call sign
5LFF8
IMO
9792694
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
61
YM THRONE, a Liberian merchant vessel, measures 333 metres on deck. She's built with 48 metres in the beam and a 12.8 m draft. Her papers read MMSI 636021693, call sign 5LFF8, IMO 9792694. Add YM THRONE to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on YM THRONE, 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
Last known position · Jun 4, 2026
Position
1.2726° N, 103.7735° E
Transiting the Strait of Malacca? 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 YM THRONE 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 YM THRONE and switch it all on
Free to join · nothing to install to start · cancel anytime
About YM THRONE
What kind of vessel is YM THRONE?
YM THRONE is a Cargo flagged to Liberia.
Where was YM THRONE last seen?
YM THRONE was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is YM THRONE's MMSI?
YM THRONE's MMSI is 636021693. Call sign 5LFF8. IMO 9792694.
How big is YM THRONE?
YM THRONE is about 333 m long, 48 m on the beam, drawing 12.8 m.
Is YM THRONE on the Master's Mate Safety Initiative Network?
Not yet. If YM THRONE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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