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 CERTAINTY
MMSI 636019897 · Call sign D5WR3
Not yet on Master's MateType
Cargo
Flag
LBRLength
210 m
Beam
33 m
Draft
9.9 m
Call sign
D5WR3
IMO
9864552
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
YM CERTAINTY is an ocean freighter hailing from Liberia, 210 metres LOA. Below, she has a 33-metre beam and a draft of 9.9 m. Look for MMSI 636019897, call sign D5WR3, IMO 9864552. Add YM CERTAINTY to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on YM CERTAINTY, 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 3, 2026
Position
25.2653° N, 120.1369° E
Transiting the East 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 · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put YM CERTAINTY 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 CERTAINTY and switch it all on
Free to join · nothing to install to start · cancel anytime
About YM CERTAINTY
What kind of vessel is YM CERTAINTY?
YM CERTAINTY is a Cargo flagged to Liberia.
Where was YM CERTAINTY last seen?
YM CERTAINTY was last reported in the East China Sea in Jun 2026 on public AIS.
What is YM CERTAINTY's MMSI?
YM CERTAINTY's MMSI is 636019897. Call sign D5WR3. IMO 9864552.
How big is YM CERTAINTY?
YM CERTAINTY is about 210 m long, 33 m on the beam, drawing 9.9 m.
Is YM CERTAINTY on the Master's Mate Safety Initiative Network?
Not yet. If YM CERTAINTY 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.