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.
Search & Rescue
FIREBOAT DEFIANCE
MMSI 338438943 · Call sign DEFIANC
Not yet on Master's MateType
Search & Rescue
Flag
USALength
16 m
Beam
5 m
Draft
1 m
Call sign
DEFIANC
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
83
An American vessel, FIREBOAT DEFIANCE measures 16 metres. She carries a beam measuring 5 metres and a 1-metre draft. Her registration reads MMSI 338438943, call sign DEFIANC. The Master's Mate Safety Initiative Network welcomes FIREBOAT DEFIANCE — free to join, cruiser-run, and always on watch.
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Is FIREBOAT DEFIANCE your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 20:41 UTC
Position
47.2723° N, 122.4424° W
Status
Under way (engine)
Speed
18.3 kn
Course
140°
Destination
TACOMA
Crossing the Salish Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put FIREBOAT DEFIANCE 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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.
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 FIREBOAT DEFIANCE and switch it all on
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About FIREBOAT DEFIANCE
What kind of vessel is FIREBOAT DEFIANCE?
FIREBOAT DEFIANCE is a Search & Rescue flagged to United States of America.
Where was FIREBOAT DEFIANCE last seen?
FIREBOAT DEFIANCE was last reported in the Salish Sea in Jun 2026 on public AIS.
What is FIREBOAT DEFIANCE's MMSI?
FIREBOAT DEFIANCE's MMSI is 338438943. Call sign DEFIANC.
How big is FIREBOAT DEFIANCE?
FIREBOAT DEFIANCE is about 16 m long, 5 m on the beam, drawing 1 m.
Is FIREBOAT DEFIANCE on the Master's Mate Safety Initiative Network?
Not yet. If FIREBOAT DEFIANCE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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