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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.
Offshore Supply Vessel

Coral

MMSI 367521570 · Call sign WDP5243

Not yet on Master's Mate
Type
Offshore Supply Vessel
Flag
USAUSA
Length
59 m
Beam
12.1 m
Draft
4.3 m
Call sign
WDP5243
IMO
9657674
Official No.
1238515
AIS reports
5

Coral flies the American flag — a 59-metre utility boat. She carries a beam measuring 12.1 metres and a 4.3-metre draft. On the registers she's MMSI 367521570, call sign WDP5243, IMO 9657674. There's a place for Coral 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 Coral.

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

Wherever Coral 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 working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Coral 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 Coral and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Coral

What kind of vessel is Coral?
Coral is a Offshore Supply Vessel flagged to United States of America.
What is Coral's MMSI?
Coral's MMSI is 367521570. Call sign WDP5243. IMO 9657674.
How big is Coral?
Coral is about 59 m long, 12.1 m on the beam, drawing 4.3 m.
Is Coral on the Master's Mate Safety Initiative Network?
Not yet. If Coral is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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