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
OYSTER
MMSI 372797000 · Call sign 3EWT4
Not yet on Master's MateType
Cargo
Flag
PANLength
136 m
Beam
19 m
Draft
5.8 m
Call sign
3EWT4
IMO
9418884
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
31
Registered in Panama, OYSTER is a 136-metre freighter. She has a 19 m beam and a draft of 5.8 m. Look for MMSI 372797000, call sign 3EWT4, IMO 9418884. OYSTER can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on OYSTER, 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
Live AIS position · Jun 9, 2026 08:49 UTC
Position
40.7622° N, 28.9061° E
Status
Under way (engine)
Speed
0.6 kn
Course
243°
Destination
TRDIL
ETA
06-08 16:30 UTC
Transiting the Mediterranean? 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 OYSTER 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 OYSTER and switch it all on
Free to join · nothing to install to start · cancel anytime
About OYSTER
What kind of vessel is OYSTER?
OYSTER is a Cargo flagged to Panama.
Where was OYSTER last seen?
OYSTER was last reported in the Mediterranean in Jun 2026 on public AIS.
What is OYSTER's MMSI?
OYSTER's MMSI is 372797000. Call sign 3EWT4. IMO 9418884.
How big is OYSTER?
OYSTER is about 136 m long, 19 m on the beam, drawing 5.8 m.
Is OYSTER on the Master's Mate Safety Initiative Network?
Not yet. If OYSTER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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