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 SELENIUM
MMSI 538007832 · Call sign V7HM8
Not yet on Master's MateType
Tanker
Flag
MHLLength
146 m
Beam
24 m
Draft
6.8 m
Call sign
V7HM8
IMO
9817509
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
70
A Marshall Islands tank ship, CHEM SELENIUM measures 146 metres. She carries a beam of 24 m and a 6.8 m draft. She's on record as MMSI 538007832, call sign V7HM8, IMO 9817509. Sign CHEM SELENIUM up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for commercial operators
Eyes on CHEM SELENIUM, 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
27.9038° N, 82.4109° W
Transiting the Gulf of Mexico? 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 SELENIUM 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 SELENIUM and switch it all on
Free to join · nothing to install to start · cancel anytime
About CHEM SELENIUM
What kind of vessel is CHEM SELENIUM?
CHEM SELENIUM is a Tanker flagged to Marshall Islands.
Where was CHEM SELENIUM last seen?
CHEM SELENIUM was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is CHEM SELENIUM's MMSI?
CHEM SELENIUM's MMSI is 538007832. Call sign V7HM8. IMO 9817509.
How big is CHEM SELENIUM?
CHEM SELENIUM is about 146 m long, 24 m on the beam, drawing 6.8 m.
Is CHEM SELENIUM on the Master's Mate Safety Initiative Network?
Not yet. If CHEM SELENIUM 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.