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.
Pleasure Craft
ONE STEP AHEAD -OSA
MMSI 211676040 · Call sign DK4930
Not yet on Master's MateType
Pleasure Craft
Flag
DEULength
12 m
Beam
3 m
Call sign
DK4930
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85
Registered in Germany, ONE STEP AHEAD -OSA is a 12-metre private cruiser. She has a beam measuring 3 metres. She's on record as MMSI 211676040, call sign DK4930. Claim ONE STEP AHEAD -OSA free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for recreational captains
Keep ONE STEP AHEAD -OSA looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Apr 22, 2026
Position
17.0130° N, 61.7700° W
Cruising the Caribbean? 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 ONE STEP AHEAD -OSA on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim ONE STEP AHEAD -OSA and switch it all on
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About ONE STEP AHEAD -OSA
What kind of vessel is ONE STEP AHEAD -OSA?
ONE STEP AHEAD -OSA is a Pleasure Craft flagged to Germany.
Where was ONE STEP AHEAD -OSA last seen?
ONE STEP AHEAD -OSA was last reported in the Caribbean in Apr 2026 on public AIS.
What is ONE STEP AHEAD -OSA's MMSI?
ONE STEP AHEAD -OSA's MMSI is 211676040. Call sign DK4930.
How big is ONE STEP AHEAD -OSA?
ONE STEP AHEAD -OSA is about 12 m long, 3 m on the beam.
Is ONE STEP AHEAD -OSA on the Master's Mate Safety Initiative Network?
Not yet. If ONE STEP AHEAD -OSA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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