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.
Sailing
EXY JOHNSON
MMSI 366886630 · Call sign WDB3395
Not yet on Master's MateType
Sailing
Flag
USALength
37 m
Beam
8 m
Draft
4 m
Call sign
WDB3395
Official No.
1136203
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
EXY JOHNSON is an American sailing boat — 37 metres overall. Below, she has 8 metres in the beam and a draft of 4 m. Her registration reads MMSI 366886630, call sign WDB3395. Put EXY JOHNSON 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 cruisers
Sleep easy on the hook aboard EXY JOHNSON.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 12:14 UTC
Position
33.7366° N, 118.2779° W
Status
Moored
Speed
0.1 kn
Course
10°
Destination
LA
ETA
05-12 21:00 UTC
Sailing off Southern California? 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 cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put EXY JOHNSON on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Claim EXY JOHNSON and switch it all on
Free to join · nothing to install to start · cancel anytime
About EXY JOHNSON
What kind of vessel is EXY JOHNSON?
EXY JOHNSON is a Sailing flagged to United States of America.
Where was EXY JOHNSON last seen?
EXY JOHNSON was last reported in off Southern California in Jun 2026 on public AIS.
What is EXY JOHNSON's MMSI?
EXY JOHNSON's MMSI is 366886630. Call sign WDB3395.
How big is EXY JOHNSON?
EXY JOHNSON is about 37 m long, 8 m on the beam, drawing 4 m.
Is EXY JOHNSON on the Master's Mate Safety Initiative Network?
Not yet. If EXY JOHNSON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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