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.
Passenger
IRVING JOHNSON
MMSI 369725000 · Call sign WDB3153
Not yet on Master's MateType
Passenger
Flag
USALength
33 m
Beam
6 m
Draft
3.2 m
Call sign
WDB3153
Official No.
1136215
Hull ID
FOQ1401JB002
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
88
IRVING JOHNSON is an American 33-metre passenger ferry. She has a beam of 6 m and a draft of 3.2 m. Officially she's MMSI 369725000, call sign WDB3153. IRVING JOHNSON carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard IRVING JOHNSON 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
Live AIS position · Jun 9, 2026 15:41 UTC
Position
33.7360° N, 118.2778° W
Status
Moored
Speed
0.0 kn
Course
360°
Destination
SAIL TRAINING
ETA
01-01 00:00 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put IRVING JOHNSON 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 IRVING JOHNSON and switch it all on
Free to join · nothing to install to start · cancel anytime
About IRVING JOHNSON
What kind of vessel is IRVING JOHNSON?
IRVING JOHNSON is a Passenger flagged to United States of America.
Where was IRVING JOHNSON last seen?
IRVING JOHNSON was last reported in off Southern California in Jun 2026 on public AIS.
What is IRVING JOHNSON's MMSI?
IRVING JOHNSON's MMSI is 369725000. Call sign WDB3153.
How big is IRVING JOHNSON?
IRVING JOHNSON is about 33 m long, 6 m on the beam, drawing 3.2 m.
Is IRVING JOHNSON on the Master's Mate Safety Initiative Network?
Not yet. If IRVING JOHNSON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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