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
CHEM LEONA
MMSI 563167100 · Call sign 9V8334
Not yet on Master's MateType
Tanker
Flag
SGPLength
146 m
Beam
24 m
Draft
9.6 m
Call sign
9V8334
IMO
9505948
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
27
Registered in Singapore, CHEM LEONA is a 146-metre tank vessel. She's built with a 24 m beam and a 9.6-metre draft. Her registration reads MMSI 563167100, call sign 9V8334, IMO 9505948. CHEM LEONA is welcome on the Master's Mate Safety Initiative Network — free situational awareness and a watch network shared by vessels of every size.
Free forever · No credit card · for commercial operators
Eyes on CHEM LEONA, 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
25.1668° N, 120.8005° 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 CHEM LEONA 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 CHEM LEONA and switch it all on
Free to join · nothing to install to start · cancel anytime
About CHEM LEONA
What kind of vessel is CHEM LEONA?
CHEM LEONA is a Tanker flagged to Singapore.
Where was CHEM LEONA last seen?
CHEM LEONA was last reported in the East China Sea in Jun 2026 on public AIS.
What is CHEM LEONA's MMSI?
CHEM LEONA's MMSI is 563167100. Call sign 9V8334. IMO 9505948.
How big is CHEM LEONA?
CHEM LEONA is about 146 m long, 24 m on the beam, drawing 9.6 m.
Is CHEM LEONA on the Master's Mate Safety Initiative Network?
Not yet. If CHEM LEONA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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