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 21
MMSI 368090680 · Call sign WDK8082
Not yet on Master's MateType
Towing Vessel
Flag
USALength
23 m
Beam
10.2 m
Draft
3.5 m
Call sign
WDK8082
Official No.
1294283
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
16
On the American registry, TIGER 21 is a 23-metre working vessel. Below, she has a beam measuring 10.2 metres and a draft measuring 3.5 metres. On AIS she shows as MMSI 368090680, call sign WDK8082. Put TIGER 21 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working boats
Built for boats that work — like TIGER 21.
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
Last known position · Jun 3, 2026
Position
21.2570° N, 158.0698° W
Working the Hawaiian Islands? You're never out there alone.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TIGER 21 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 21 and switch it all on
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About TIGER 21
What kind of vessel is TIGER 21?
TIGER 21 is a Towing Vessel flagged to United States of America.
Where was TIGER 21 last seen?
TIGER 21 was last reported in the Hawaiian Islands in Jun 2026 on public AIS.
What is TIGER 21's MMSI?
TIGER 21's MMSI is 368090680. Call sign WDK8082.
How big is TIGER 21?
TIGER 21 is about 23 m long, 10.2 m on the beam, drawing 3.5 m.
Is TIGER 21 on the Master's Mate Safety Initiative Network?
Not yet. If TIGER 21 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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