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
PERSEY
MMSI 273358480 · Call sign UBDJ8
Not yet on Master's MateType
Tanker
Flag
RUSLength
112 m
Beam
18 m
Draft
8 m
Call sign
UBDJ8
IMO
9043794
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
4
A Russian tanker, PERSEY measures 112 metres. She has a 18-metre beam and a draft of 8 m. On AIS she shows as MMSI 273358480, call sign UBDJ8, IMO 9043794. PERSEY is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on PERSEY, 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
46.2550° N, 142.6786° E
Wherever PERSEY roams, 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 PERSEY 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 PERSEY and switch it all on
Free to join · nothing to install to start · cancel anytime
About PERSEY
What kind of vessel is PERSEY?
PERSEY is a Tanker flagged to Russia.
Where was PERSEY last seen?
PERSEY was last reported in around 46°N 143°E in Jun 2026 on public AIS.
What is PERSEY's MMSI?
PERSEY's MMSI is 273358480. Call sign UBDJ8. IMO 9043794.
How big is PERSEY?
PERSEY is about 112 m long, 18 m on the beam, drawing 8 m.
Is PERSEY on the Master's Mate Safety Initiative Network?
Not yet. If PERSEY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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