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.
Pleasure Craft
DEFIANT
MMSI 338525147 · Call sign DEFIANT
Not yet on Master's MateType
Pleasure Craft
Flag
USALength
19 m
Beam
6 m
Call sign
DEFIANT
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
On the American registry, DEFIANT is a 19-metre recreational vessel. Her hull carries a 6-metre beam. On the registers she's MMSI 338525147, call sign DEFIANT. Put DEFIANT 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 recreational captains
Keep DEFIANT looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 06:47 UTC
Position
33.7236° N, 118.2807° W
Status
Moored
Speed
0.0 kn
Course
290°
Destination
LOS ANGELES
Cruising 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put DEFIANT 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim DEFIANT and switch it all on
Free to join · nothing to install to start · cancel anytime
About DEFIANT
What kind of vessel is DEFIANT?
DEFIANT is a Pleasure Craft flagged to United States of America.
Where was DEFIANT last seen?
DEFIANT was last reported in off Southern California in Jun 2026 on public AIS.
What is DEFIANT's MMSI?
DEFIANT's MMSI is 338525147. Call sign DEFIANT.
How big is DEFIANT?
DEFIANT is about 19 m long, 6 m on the beam.
Is DEFIANT on the Master's Mate Safety Initiative Network?
Not yet. If DEFIANT is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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