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
NYPD 621
MMSI 367639150 · Call sign WDH6549
Not yet on Master's MateFlag
USACall sign
WDH6549
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
36
Flying the American flag, NYPD 621 is a boat. Find her under MMSI 367639150, call sign WDH6549. NYPD 621 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card
Is NYPD 621 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 3, 2026
Position
40.6600° N, 74.0489° W
Crossing off the U.S. East Coast? 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 NYPD 621 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 NYPD 621 and switch it all on
Free to join · nothing to install to start · cancel anytime
About NYPD 621
What kind of vessel is NYPD 621?
NYPD 621 is a vessel flagged to United States of America.
Where was NYPD 621 last seen?
NYPD 621 was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is NYPD 621's MMSI?
NYPD 621's MMSI is 367639150. Call sign WDH6549.
Is NYPD 621 on the Master's Mate Safety Initiative Network?
Not yet. If NYPD 621 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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