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.
Tug
DIAMOND COAST
MMSI 367367390 · Call sign WDK5428
Not yet on Master's MateType
Tug
Flag
USALength
26 m
Beam
10 m
Draft
3.4 m
Call sign
WDK5428
Official No.
607968
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
Out of the United States, DIAMOND COAST is a 26-metre tugboat. She's built with a 10-metre beam and a 3.4 m draft. She broadcasts as MMSI 367367390, call sign WDK5428. There's a place for DIAMOND COAST on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like DIAMOND COAST.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 15:02 UTC
Position
39.2714° N, 76.5816° W
Status
Pushing ahead
Speed
0.1 kn
Course
172°
Destination
BALTIMORE
Working Chesapeake Bay? 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put DIAMOND COAST on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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 DIAMOND COAST and switch it all on
Free to join · nothing to install to start · cancel anytime
About DIAMOND COAST
What kind of vessel is DIAMOND COAST?
DIAMOND COAST is a Tug flagged to United States of America.
Where was DIAMOND COAST last seen?
DIAMOND COAST was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is DIAMOND COAST's MMSI?
DIAMOND COAST's MMSI is 367367390. Call sign WDK5428.
How big is DIAMOND COAST?
DIAMOND COAST is about 26 m long, 10 m on the beam, drawing 3.4 m.
Is DIAMOND COAST on the Master's Mate Safety Initiative Network?
Not yet. If DIAMOND COAST is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.