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.
Fishing Tender
Chisik Island
MMSI 366919670 · Call sign WDM4421
Not yet on Master's MateType
Fishing Tender
Flag
USALength
25.1 m
Beam
8.1 m
Draft
2.7 m
Call sign
WDM4421
IMO
7100483
Official No.
260202
AIS reports
2
Chisik Island, an offshore fishing boat sailing under the American flag, measures 25.1 metres on deck. Chisik Island has 8.1 metres in the beam and a 2.7-metre draft. She's listed under MMSI 366919670, call sign WDM4421, IMO 7100483. Put Chisik Island 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 captains
Know where the fleet is. Get Chisik Island home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Chisik Island 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 captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Chisik Island on the map. It hands you the full bridge:
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.
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.
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 Chisik Island and switch it all on
Free to join · nothing to install to start · cancel anytime
About Chisik Island
What kind of vessel is Chisik Island?
Chisik Island is a Fishing Tender flagged to United States of America.
What is Chisik Island's MMSI?
Chisik Island's MMSI is 366919670. Call sign WDM4421. IMO 7100483.
How big is Chisik Island?
Chisik Island is about 25.1 m long, 8.1 m on the beam, drawing 2.7 m.
Is Chisik Island on the Master's Mate Safety Initiative Network?
Not yet. If Chisik Island is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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