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.
Vessel
AP1 88 8901
MMSI 367138540 · Call sign WDD3955
Not yet on Master's MateFlag
USACall sign
WDD3955
Official No.
1052148
AIS reports
1
AP1 88 8901 is an American craft. She's on record as MMSI 367138540, call sign WDD3955. Join AP1 88 8901 to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card
Is AP1 88 8901 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever AP1 88 8901 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put AP1 88 8901 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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.
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 AP1 88 8901 and switch it all on
Free to join · nothing to install to start · cancel anytime
About AP1 88 8901
What kind of vessel is AP1 88 8901?
AP1 88 8901 is a vessel flagged to United States of America.
What is AP1 88 8901's MMSI?
AP1 88 8901's MMSI is 367138540. Call sign WDD3955.
Is AP1 88 8901 on the Master's Mate Safety Initiative Network?
Not yet. If AP1 88 8901 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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