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
SAILDRONE SUPPORT 1
MMSI 338365894
Not yet on Master's MateType
High-speed Craft
Flag
USALength
9 m
Beam
4 m
Draft
2 m
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
21
SAILDRONE SUPPORT 1 is a ferry listed on the the United States registry, 9 metres overall. She's built with a beam of 4 m and a 2-metre draft. On AIS she appears as MMSI 338365894. Bring SAILDRONE SUPPORT 1 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SAILDRONE SUPPORT 1 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 3, 2026
Position
37.7804° N, 122.3076° W
Sailing San Francisco Bay? 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 SAILDRONE SUPPORT 1 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 SAILDRONE SUPPORT 1 and switch it all on
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About SAILDRONE SUPPORT 1
What kind of vessel is SAILDRONE SUPPORT 1?
SAILDRONE SUPPORT 1 is a High-speed Craft flagged to United States of America.
Where was SAILDRONE SUPPORT 1 last seen?
SAILDRONE SUPPORT 1 was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is SAILDRONE SUPPORT 1's MMSI?
SAILDRONE SUPPORT 1's MMSI is 338365894.
How big is SAILDRONE SUPPORT 1?
SAILDRONE SUPPORT 1 is about 9 m long, 4 m on the beam, drawing 2 m.
Is SAILDRONE SUPPORT 1 on the Master's Mate Safety Initiative Network?
Not yet. If SAILDRONE SUPPORT 1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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