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.

Industrial Vessel

DERRICK 72

MMSI 368055940 · Call sign WDK4509

Not yet on Master's Mate

Type

Industrial Vessel

Flag

USA

Length

45.7 m

Beam

14.6 m

Draft

2.4 m

Call sign

WDK4509

Official No.

1283453

AIS reports

DERRICK 72, a commercial ship listed on the the United States registry, measures 45.7 metres on deck. She has 14.6 metres in the beam and a draft measuring 2.4 metres. On AIS she shows as MMSI 368055940, call sign WDK4509. Bring DERRICK 72 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card · for commercial operators

Eyes on DERRICK 72, 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 72 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 72 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 72 and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About DERRICK 72

What kind of vessel is DERRICK 72?

DERRICK 72 is a Industrial Vessel flagged to United States of America.

What is DERRICK 72's MMSI?

DERRICK 72's MMSI is 368055940. Call sign WDK4509.

How big is DERRICK 72?

DERRICK 72 is about 45.7 m long, 14.6 m on the beam, drawing 2.4 m.

Is DERRICK 72 on the Master's Mate Safety Initiative Network?

Not yet. If DERRICK 72 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).