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.
Pilot
LOS 121
MMSI 257008300 · Call sign 3YAJ
Not yet on Master's MateType
Pilot
Flag
NORLength
14 m
Beam
6 m
Draft
1.2 m
Call sign
3YAJ
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
63
LOS 121, a Norwegian service vessel, measures 14 metres on deck. LOS 121 has 6 metres in the beam and a 1.2 m draft. She's listed under MMSI 257008300, call sign 3YAJ. LOS 121 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 working boats
Built for boats that work — like LOS 121.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 11:46 UTC
Position
60.1694° N, 5.0556° E
Status
Under way (engine)
Speed
0.0 kn
Course
330°
Destination
KORSFJORDEN PLT
ETA
01-01 01:01 UTC
Working the North Sea? 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put LOS 121 on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 LOS 121 and switch it all on
Free to join · nothing to install to start · cancel anytime
About LOS 121
What kind of vessel is LOS 121?
LOS 121 is a Pilot flagged to Norway.
Where was LOS 121 last seen?
LOS 121 was last reported in the North Sea in Jun 2026 on public AIS.
What is LOS 121's MMSI?
LOS 121's MMSI is 257008300. Call sign 3YAJ.
How big is LOS 121?
LOS 121 is about 14 m long, 6 m on the beam, drawing 1.2 m.
Is LOS 121 on the Master's Mate Safety Initiative Network?
Not yet. If LOS 121 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.