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.
High-speed Craft
ISABEL L
MMSI 367471080 · Call sign WDF6141
Not yet on Master's MateType
High-speed Craft
Flag
USALength
28 m
Beam
6 m
Draft
2 m
Call sign
WDF6141
Official No.
643724
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
79
ISABEL L, a passenger ferry sailing under the American flag, measures 28 metres on deck. Her hull carries a beam of 6 m and a draft of 2 m. Her papers read MMSI 367471080, call sign WDF6141. Put ISABEL L 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 passenger & charter operators
Keep every soul aboard ISABEL L safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
34.1342° N, 119.3144° W
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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ISABEL L on the map. It hands you the full bridge:
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.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 ISABEL L and switch it all on
Free to join · nothing to install to start · cancel anytime
About ISABEL L
What kind of vessel is ISABEL L?
ISABEL L is a High-speed Craft flagged to United States of America.
Where was ISABEL L last seen?
ISABEL L was last reported in off Southern California in Jun 2026 on public AIS.
What is ISABEL L's MMSI?
ISABEL L's MMSI is 367471080. Call sign WDF6141.
How big is ISABEL L?
ISABEL L is about 28 m long, 6 m on the beam, drawing 2 m.
Is ISABEL L on the Master's Mate Safety Initiative Network?
Not yet. If ISABEL L is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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