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.
Oil Recovery
Duke J
MMSI 367576240 · Call sign WDP3396
Not yet on Master's MateType
Oil Recovery
Flag
USALength
14.6 m
Beam
4.9 m
Draft
1.5 m
Call sign
WDP3396
Official No.
1246709
Hull ID
MUN622CHC212
AIS reports
2
Duke J flies the American flag — a 14.6-metre commercial ship. She's built with a 4.9-metre beam and a 1.5 m draft. On AIS she appears as MMSI 367576240, call sign WDP3396. Duke J is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on Duke J, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Duke J 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 · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Duke J on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Duke J and switch it all on
Free to join · nothing to install to start · cancel anytime
About Duke J
What kind of vessel is Duke J?
Duke J is a Oil Recovery flagged to United States of America.
What is Duke J's MMSI?
Duke J's MMSI is 367576240. Call sign WDP3396.
How big is Duke J?
Duke J is about 14.6 m long, 4.9 m on the beam, drawing 1.5 m.
Is Duke J on the Master's Mate Safety Initiative Network?
Not yet. If Duke J is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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