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.
Tug
CHIEF
MMSI 366764740 · Call sign WCZ2047
Not yet on Master's MateType
Tug
Flag
USALength
34 m
Beam
12 m
Draft
4.6 m
Call sign
WCZ2047
IMO
9188582
Official No.
1063755
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
CHIEF, an American tugboat, measures 34 metres on deck. CHIEF has a 12 m beam and a 4.6 m draft. On AIS she shows as MMSI 366764740, call sign WCZ2047, IMO 9188582. CHIEF is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Built for boats that work — like CHIEF.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 06:29 UTC
Position
47.5894° N, 122.3499° W
Status
Moored
Speed
0.0 kn
Course
266°
Destination
SEATTLE
ETA
12-09 15:33 UTC
Working the Salish Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put CHIEF 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 CHIEF and switch it all on
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About CHIEF
What kind of vessel is CHIEF?
CHIEF is a Tug flagged to United States of America.
Where was CHIEF last seen?
CHIEF was last reported in the Salish Sea in Jun 2026 on public AIS.
What is CHIEF's MMSI?
CHIEF's MMSI is 366764740. Call sign WCZ2047. IMO 9188582.
How big is CHIEF?
CHIEF is about 34 m long, 12 m on the beam, drawing 4.6 m.
Is CHIEF on the Master's Mate Safety Initiative Network?
Not yet. If CHIEF is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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