Sign up free Dashboard Log out
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

VANSEE

MMSI 366748340 · Call sign WBU4839

Not yet on Master's Mate
Type
Commercial Fishing Vessel
Flag
USAUSA
Length
23 m
Beam
5.5 m
Draft
2.6 m
Call sign
WBU4839
Official No.
210906
AIS reports
1

An American fishing boat, VANSEE measures 23 metres. She has a 5.5-metre beam and a draft of 2.6 m. On AIS she appears as MMSI 366748340, call sign WBU4839. VANSEE is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

Free forever · No credit card · for working captains

Know where the fleet is. Get VANSEE 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 VANSEE 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 VANSEE 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 VANSEE and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About VANSEE

What kind of vessel is VANSEE?
VANSEE is a Commercial Fishing Vessel flagged to United States of America.
What is VANSEE's MMSI?
VANSEE's MMSI is 366748340. Call sign WBU4839.
How big is VANSEE?
VANSEE is about 23 m long, 5.5 m on the beam, drawing 2.6 m.
Is VANSEE on the Master's Mate Safety Initiative Network?
Not yet. If VANSEE 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.