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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
STI MAYFAIR
MMSI 538005175 · Call sign V7BN6
Not yet on Master's MateType
Tanker
Flag
MHLLength
183 m
Beam
32 m
Draft
9 m
Call sign
V7BN6
IMO
9686730
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
44
STI MAYFAIR, a Marshall Islands tank vessel, measures 183 metres on deck. She's built with a 32-metre beam and a 9 m draft. On the registers she's MMSI 538005175, call sign V7BN6, IMO 9686730. There's a place for STI MAYFAIR on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for commercial operators
Eyes on STI MAYFAIR, 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
28.6452° N, 14.6022° W
Transiting the North Atlantic? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put STI MAYFAIR 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 STI MAYFAIR and switch it all on
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About STI MAYFAIR
What kind of vessel is STI MAYFAIR?
STI MAYFAIR is a Tanker flagged to Marshall Islands.
Where was STI MAYFAIR last seen?
STI MAYFAIR was last reported in the North Atlantic in Jun 2026 on public AIS.
What is STI MAYFAIR's MMSI?
STI MAYFAIR's MMSI is 538005175. Call sign V7BN6. IMO 9686730.
How big is STI MAYFAIR?
STI MAYFAIR is about 183 m long, 32 m on the beam, drawing 9 m.
Is STI MAYFAIR on the Master's Mate Safety Initiative Network?
Not yet. If STI MAYFAIR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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