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
WARREN JR
MMSI 368352250 · Call sign WDP4198
Not yet on Master's MateFlag
USALength
46 m
Beam
11 m
Call sign
WDP4198
Official No.
1248843
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
WARREN JR flies the American flag — a 46-metre boat. Below, she has a 11-metre beam. On AIS she shows as MMSI 368352250, call sign WDP4198. WARREN JR can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card
Is WARREN JR 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
Live AIS position · Jun 9, 2026 16:34 UTC
Position
42.3043° N, 70.9244° W
Status
Under way (engine)
Speed
8.6 kn
Course
354°
Destination
AUV TESTING
ETA
06-03 23:00 UTC
Crossing the Gulf of Maine? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put WARREN JR 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 WARREN JR and switch it all on
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About WARREN JR
What kind of vessel is WARREN JR?
WARREN JR is a vessel flagged to United States of America.
Where was WARREN JR last seen?
WARREN JR was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is WARREN JR's MMSI?
WARREN JR's MMSI is 368352250. Call sign WDP4198.
How big is WARREN JR?
WARREN JR is about 46 m long, 11 m on the beam.
Is WARREN JR on the Master's Mate Safety Initiative Network?
Not yet. If WARREN JR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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