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
Ace High
MMSI 367540460 · Call sign WDG4820
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
11.2 m
Beam
3.3 m
Draft
1.7 m
Call sign
WDG4820
Official No.
252466
AIS reports
1
Registered in the United States, Ace High is an 11.2-metre offshore fishing boat. She carries a beam of 3.3 m and a 1.7 m draft. She broadcasts as MMSI 367540460, call sign WDG4820. Claim Ace High free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working captains
Know where the fleet is. Get Ace High 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 Ace High 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 Ace High 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 Ace High and switch it all on
Free to join · nothing to install to start · cancel anytime
About Ace High
What kind of vessel is Ace High?
Ace High is a Commercial Fishing Vessel flagged to United States of America.
What is Ace High's MMSI?
Ace High's MMSI is 367540460. Call sign WDG4820.
How big is Ace High?
Ace High is about 11.2 m long, 3.3 m on the beam, drawing 1.7 m.
Is Ace High on the Master's Mate Safety Initiative Network?
Not yet. If Ace High is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.