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.
Commercial Fishing Vessel
4th Watch
MMSI 367387940 · Call sign WDE7023
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
11.2 m
Beam
4.1 m
Draft
1.6 m
Call sign
WDE7023
Official No.
1214458
Hull ID
HHM36031A808
AIS reports
1
4th Watch is an American working fishing vessel — 11.2 metres overall. Her hull carries a 4.1-metre beam and a draft measuring 1.6 metres. On the registers she's MMSI 367387940, call sign WDE7023. 4th Watch is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working captains
Know where the fleet is. Get 4th Watch 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 4th Watch 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 4th Watch 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 4th Watch and switch it all on
Free to join · nothing to install to start · cancel anytime
About 4th Watch
What kind of vessel is 4th Watch?
4th Watch is a Commercial Fishing Vessel flagged to United States of America.
What is 4th Watch's MMSI?
4th Watch's MMSI is 367387940. Call sign WDE7023.
How big is 4th Watch?
4th Watch is about 11.2 m long, 4.1 m on the beam, drawing 1.6 m.
Is 4th Watch on the Master's Mate Safety Initiative Network?
Not yet. If 4th Watch is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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