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
KEY STREAM
MMSI 212878000 · Call sign 5BYC3
Not yet on Master's MateType
Tanker
Flag
CYPLength
109 m
Beam
17 m
Draft
5.4 m
Call sign
5BYC3
IMO
9525572
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
63
KEY STREAM, a tank ship sailing under the Cypriot flag, measures 109 metres on deck. She has a 17-metre beam and a draft measuring 5.4 metres. Look for MMSI 212878000, call sign 5BYC3, IMO 9525572. KEY STREAM 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 KEY STREAM, 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
65.6580° N, 9.5630° E
Transiting the Norwegian coast? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KEY STREAM 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 KEY STREAM and switch it all on
Free to join · nothing to install to start · cancel anytime
About KEY STREAM
What kind of vessel is KEY STREAM?
KEY STREAM is a Tanker flagged to Cyprus.
Where was KEY STREAM last seen?
KEY STREAM was last reported in the Norwegian coast in Jun 2026 on public AIS.
What is KEY STREAM's MMSI?
KEY STREAM's MMSI is 212878000. Call sign 5BYC3. IMO 9525572.
How big is KEY STREAM?
KEY STREAM is about 109 m long, 17 m on the beam, drawing 5.4 m.
Is KEY STREAM on the Master's Mate Safety Initiative Network?
Not yet. If KEY STREAM is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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