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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

GUYANA HERO

MMSI 366828000 · Call sign WDSQ

Not yet on Master's Mate
Type
Offshore Supply Vessel
Flag
USAUSA
Length
84.9 m
Beam
18.3 m
Draft
7.9 m
Call sign
WDSQ
IMO
9530046
Official No.
647298
AIS reports
3

GUYANA HERO is an American working craft — 84.9 metres overall. Her hull carries a beam measuring 18.3 metres and a draft of 7.9 m. Officially she's MMSI 366828000, call sign WDSQ, IMO 9530046. GUYANA HERO 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 working boats

Built for boats that work — like GUYANA HERO.

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 GUYANA HERO 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 GUYANA HERO 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 GUYANA HERO and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About GUYANA HERO

What kind of vessel is GUYANA HERO?
GUYANA HERO is a Offshore Supply Vessel flagged to United States of America.
What is GUYANA HERO's MMSI?
GUYANA HERO's MMSI is 366828000. Call sign WDSQ. IMO 9530046.
How big is GUYANA HERO?
GUYANA HERO is about 84.9 m long, 18.3 m on the beam, drawing 7.9 m.
Is GUYANA HERO on the Master's Mate Safety Initiative Network?
Not yet. If GUYANA HERO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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