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.

Towing Vessel

Tiger 5

MMSI 367017630 · Call sign WDC3998

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

26.2 m

Beam

10.4 m

Draft

3.5 m

Call sign

WDC3998

IMO

9097587

Official No.

1166594

AIS reports

Registered in the United States, Tiger 5 is a 26.2-metre utility boat. Tiger 5 has a 10.4 m beam and a 3.5-metre draft. Her registration reads MMSI 367017630, call sign WDC3998, IMO 9097587. Tiger 5 earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.

Free forever · No credit card · for working boats

Built for boats that work — like Tiger 5.

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 Tiger 5 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 Tiger 5 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 Tiger 5 and switch it all on

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

Claim free → unlock everything

About Tiger 5

What kind of vessel is Tiger 5?

Tiger 5 is a Towing Vessel flagged to United States of America.

What is Tiger 5's MMSI?

Tiger 5's MMSI is 367017630. Call sign WDC3998. IMO 9097587.

How big is Tiger 5?

Tiger 5 is about 26.2 m long, 10.4 m on the beam, drawing 3.5 m.

Is Tiger 5 on the Master's Mate Safety Initiative Network?

Not yet. If Tiger 5 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).