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
SISTER KATE
MMSI 368361960 · Call sign WDP5281
Not yet on Master's MateFlag
USACall sign
WDP5281
Official No.
FL39764
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
81
SISTER KATE is an American craft. Find her under MMSI 368361960, call sign WDP5281. Add SISTER KATE to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card
Is SISTER KATE 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
Last known position · Jun 4, 2026
Position
38.9637° N, 76.4798° W
Crossing Chesapeake Bay? 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 SISTER KATE 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 SISTER KATE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SISTER KATE
What kind of vessel is SISTER KATE?
SISTER KATE is a vessel flagged to United States of America.
Where was SISTER KATE last seen?
SISTER KATE was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is SISTER KATE's MMSI?
SISTER KATE's MMSI is 368361960. Call sign WDP5281.
Is SISTER KATE on the Master's Mate Safety Initiative Network?
Not yet. If SISTER KATE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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