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

Tampa Seahorse

MMSI 367040110 · Call sign WDC5373

Not yet on Master's Mate

Type

Offshore Supply Vessel

Flag

USA

Length

44.7 m

Beam

11.6 m

Draft

3.7 m

Call sign

WDC5373

IMO

8009947

Official No.

638867

AIS reports

Tampa Seahorse is an American 44.7-metre service vessel. Tampa Seahorse has a 11.6-metre beam and a 3.7 m draft. On AIS she appears as MMSI 367040110, call sign WDC5373, IMO 8009947. Tampa Seahorse 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 Tampa Seahorse.

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 Tampa Seahorse 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 Tampa Seahorse 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 Tampa Seahorse and switch it all on

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

Claim free → unlock everything

About Tampa Seahorse

What kind of vessel is Tampa Seahorse?

Tampa Seahorse is a Offshore Supply Vessel flagged to United States of America.

What is Tampa Seahorse's MMSI?

Tampa Seahorse's MMSI is 367040110. Call sign WDC5373. IMO 8009947.

How big is Tampa Seahorse?

Tampa Seahorse is about 44.7 m long, 11.6 m on the beam, drawing 3.7 m.

Is Tampa Seahorse on the Master's Mate Safety Initiative Network?

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