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.
Freight Barge
Derrick 73
MMSI 368363230 · Call sign WDP5415
Not yet on Master's MateType
Freight Barge
Flag
USALength
33.5 m
Beam
12.2 m
Draft
2.3 m
Call sign
WDP5415
Official No.
269127
AIS reports
1
Derrick 73 is an American barge — 33.5 metres overall. She's built with 12.2 metres in the beam and a 2.3-metre draft. Her papers read MMSI 368363230, call sign WDP5415. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — Derrick 73 included.
Free forever · No credit card · for commercial operators
Eyes on Derrick 73, 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 Derrick 73 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 Derrick 73 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 Derrick 73 and switch it all on
Free to join · nothing to install to start · cancel anytime
About Derrick 73
What kind of vessel is Derrick 73?
Derrick 73 is a Freight Barge flagged to United States of America.
What is Derrick 73's MMSI?
Derrick 73's MMSI is 368363230. Call sign WDP5415.
How big is Derrick 73?
Derrick 73 is about 33.5 m long, 12.2 m on the beam, drawing 2.3 m.
Is Derrick 73 on the Master's Mate Safety Initiative Network?
Not yet. If Derrick 73 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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