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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.
Cargo
ALTIUS
Cargo · last seen 41°N 29°E · Jun 2026 · MMSI 577249000 · Call sign YJTU4
Not yet on Master's MateType
Cargo
Length
73 m
Beam
12 m
Draft
3.4 m
Call sign
YJTU4
IMO
8511938
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
4
ALTIUS is a merchant vessel, measuring 73 metres. She's built with 12 metres in the beam and a 3.4 m draft. She's on record as MMSI 577249000, call sign YJTU4, IMO 8511938. Join ALTIUS to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on ALTIUS, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
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Live AIS position · Jun 16, 2026 05:46 UTC
Position
40.9656° N, 28.9092° E
Status
Under way (engine)
Speed
4.8 kn
Course
324°
Destination
EG ALY
ETA
06-20 12:00 UTC
Transiting the Bosphorus? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put ALTIUS 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.
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About ALTIUS
What kind of vessel is ALTIUS?
ALTIUS is a Cargo.
Where was ALTIUS last seen?
ALTIUS was last reported in the Bosphorus in Jun 2026 on public AIS.
What is ALTIUS's MMSI?
ALTIUS's MMSI is 577249000. Call sign YJTU4. IMO 8511938.
How big is ALTIUS?
ALTIUS is about 73 m long, 12 m on the beam, drawing 3.4 m.
Is ALTIUS on the Master's Mate Safety Initiative Network?
Not yet. If ALTIUS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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