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.
Towing
GERONIMO
MMSI 368126190 · Call sign WDL3906
Not yet on Master's MateType
Towing
Flag
USALength
39 m
Beam
11 m
Draft
5 m
Call sign
WDL3906
IMO
9903188
Official No.
1300646
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
An American utility boat, GERONIMO measures 39 metres. GERONIMO has 11 metres in the beam and a 5-metre draft. Officially she's MMSI 368126190, call sign WDL3906, IMO 9903188. It's free to add GERONIMO to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like GERONIMO.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 07:52 UTC
Position
33.7156° N, 118.2546° W
Status
Under way (engine)
Speed
10.4 kn
Course
283°
Destination
SF SB
ETA
06-11 12:00 UTC
Working 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GERONIMO on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 GERONIMO and switch it all on
Free to join · nothing to install to start · cancel anytime
About GERONIMO
What kind of vessel is GERONIMO?
GERONIMO is a Towing flagged to United States of America.
Where was GERONIMO last seen?
GERONIMO was last reported in off Southern California in Jun 2026 on public AIS.
What is GERONIMO's MMSI?
GERONIMO's MMSI is 368126190. Call sign WDL3906. IMO 9903188.
How big is GERONIMO?
GERONIMO is about 39 m long, 11 m on the beam, drawing 5 m.
Is GERONIMO on the Master's Mate Safety Initiative Network?
Not yet. If GERONIMO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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