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.
Vessel
Ym Instruction
MMSI 636013118
Not yet on Master's MateFlag
LBRLength
172.7 m
IMO
9331086
AIS reports
2
Ym Instruction is a Liberian boat, 172.7 metres from stem to stern. She broadcasts as MMSI 636013118, IMO 9331086. It's free to add Ym Instruction to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card
Is Ym Instruction your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 07:37 UTC
Position
22.2864° N, 114.0994° E
Status
Under way (engine)
Speed
15.3 kn
Course
156°
Destination
HKHKG>TWKHH
ETA
06-10 10:00 UTC
Crossing the South China 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Ym Instruction on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Ym Instruction and switch it all on
Free to join · nothing to install to start · cancel anytime
About Ym Instruction
What kind of vessel is Ym Instruction?
Ym Instruction is a vessel flagged to Liberia.
Where was Ym Instruction last seen?
Ym Instruction was last reported in the South China Sea on public AIS.
What is Ym Instruction's MMSI?
Ym Instruction's MMSI is 636013118. IMO 9331086.
How big is Ym Instruction?
Ym Instruction is about 172.7 m long.
Is Ym Instruction on the Master's Mate Safety Initiative Network?
Not yet. If Ym Instruction is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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