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.
Passenger
OSTER
MMSI 257282500 · Call sign LEPF
Not yet on Master's MateType
Passenger
Flag
NORLength
76 m
Beam
16 m
Draft
3 m
Call sign
LEPF
IMO
5266386
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
63
On the Norwegian registry, OSTER is a 76-metre passenger boat. She carries a beam measuring 16 metres and a 3 m draft. Officially she's MMSI 257282500, call sign LEPF, IMO 5266386. Join OSTER to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard OSTER safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 07:56 UTC
Position
60.6329° N, 5.4943° E
Status
Moored
Speed
0.0 kn
Course
218°
Destination
BJOERSVIK
ETA
06-06 23:30 UTC
Sailing 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put OSTER on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 OSTER and switch it all on
Free to join · nothing to install to start · cancel anytime
About OSTER
What kind of vessel is OSTER?
OSTER is a Passenger flagged to Norway.
Where was OSTER last seen?
OSTER was last reported in the North Sea in Jun 2026 on public AIS.
What is OSTER's MMSI?
OSTER's MMSI is 257282500. Call sign LEPF. IMO 5266386.
How big is OSTER?
OSTER is about 76 m long, 16 m on the beam, drawing 3 m.
Is OSTER on the Master's Mate Safety Initiative Network?
Not yet. If OSTER 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.