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.
Law Enforcement
NJSP 4301
MMSI 368283050 · Call sign WDN4664
Not yet on Master's MateType
Law Enforcement
Flag
USALength
15 m
Beam
6 m
Call sign
WDN4664
Official No.
NJ4301
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
23
An American boat, NJSP 4301 measures 15 metres. She's built with a 6 m beam. She's on record as MMSI 368283050, call sign WDN4664. Claim NJSP 4301 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card
Is NJSP 4301 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
40.1037° N, 74.0539° 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 NJSP 4301 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 NJSP 4301 and switch it all on
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About NJSP 4301
What kind of vessel is NJSP 4301?
NJSP 4301 is a Law Enforcement flagged to United States of America.
Where was NJSP 4301 last seen?
NJSP 4301 was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is NJSP 4301's MMSI?
NJSP 4301's MMSI is 368283050. Call sign WDN4664.
How big is NJSP 4301?
NJSP 4301 is about 15 m long, 6 m on the beam.
Is NJSP 4301 on the Master's Mate Safety Initiative Network?
Not yet. If NJSP 4301 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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