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.
Unclassified
TIGER IV
U.S. Official No. 980340
Not yet on Master's MateType
Unclassified
Flag
USALength
11 m
Beam
4 m
Draft
2.4 m
First reported
Jun 2026
AIS reports
1
TIGER IV is an American craft — 11 metres overall. She's built with a beam of 4 m and a 2.4 m draft. Look for U.S. official number 980340. TIGER IV is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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Is TIGER IV your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
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Wherever TIGER IV roams, you're never out there alone.
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Joining the Safety Initiative Network doesn't just put TIGER IV on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim TIGER IV and switch it all on
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About TIGER IV
What kind of vessel is TIGER IV?
TIGER IV is a Unclassified flagged to United States of America.
What is TIGER IV's U.S. Official No.?
TIGER IV's U.S. Official No. is 980340.
How big is TIGER IV?
TIGER IV is about 11 m long, 4 m on the beam, drawing 2.4 m.
Is TIGER IV on the Master's Mate Safety Initiative Network?
Not yet. If TIGER IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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