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.
Sailing
SAIL WHAT
MMSI 257072750 · Call sign LD3522
Not yet on Master's MateType
Sailing
Flag
NORLength
12 m
Beam
4 m
Call sign
LD3522
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85
SAIL WHAT is an ocean-going sailboat registered in Norway, spanning 12 metres. She has a beam of 4 m. She's on record as MMSI 257072750, call sign LD3522. Put SAIL WHAT on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard SAIL WHAT.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Apr 4, 2026
Position
18.0400° N, 63.0936° W
Sailing 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.
Free with your claim · for cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SAIL WHAT 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.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Claim SAIL WHAT and switch it all on
Free to join · nothing to install to start · cancel anytime
About SAIL WHAT
What kind of vessel is SAIL WHAT?
SAIL WHAT is a Sailing flagged to Norway.
Where was SAIL WHAT last seen?
SAIL WHAT was last reported in the Caribbean in Apr 2026 on public AIS.
What is SAIL WHAT's MMSI?
SAIL WHAT's MMSI is 257072750. Call sign LD3522.
How big is SAIL WHAT?
SAIL WHAT is about 12 m long, 4 m on the beam.
Is SAIL WHAT on the Master's Mate Safety Initiative Network?
Not yet. If SAIL WHAT 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.