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
OTTO
Tanker · last seen 49°N 8°E · Jun 2026 · MMSI 253242474 · Call sign LX2474
Not yet on Master's MateType
Tanker
Length
140 m
Beam
13 m
Draft
2.2 m
Call sign
LX2474
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
4
OTTO is a tanker, 140 metres long. Her hull carries a beam measuring 13 metres and a draft of 2.2 m. On AIS she shows as MMSI 253242474, call sign LX2474. Bring OTTO aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on OTTO, 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 15, 2026
Position
49.1256° N, 8.3657° E
Wherever OTTO 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 OTTO 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 OTTO and switch it all on
Free to join · nothing to install to start · cancel anytime
About OTTO
What kind of vessel is OTTO?
OTTO is a Tanker.
Where was OTTO last seen?
OTTO was last reported in around 49°N 8°E in Jun 2026 on public AIS.
What is OTTO's MMSI?
OTTO's MMSI is 253242474. Call sign LX2474.
How big is OTTO?
OTTO is about 140 m long, 13 m on the beam, drawing 2.2 m.
Is OTTO on the Master's Mate Safety Initiative Network?
Not yet. If OTTO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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