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.
Industrial Vessel
P/V San Francisco
MMSI 366798310 · Call sign WDA3425
Not yet on Master's MateType
Industrial Vessel
Flag
USALength
29.4 m
Beam
8.6 m
Draft
4 m
Call sign
WDA3425
IMO
9245469
Official No.
1105895
AIS reports
1
P/V San Francisco is an American commercial vessel, 29.4 metres from stem to stern. She carries 8.6 metres in the beam and a 4-metre draft. Find her under MMSI 366798310, call sign WDA3425, IMO 9245469. There's a place for P/V San Francisco on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for commercial operators
Eyes on P/V San Francisco, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 19:18 UTC
Position
37.7347° N, 122.3348° W
Status
Under way (engine)
Speed
11.9 kn
Course
153°
Transiting 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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put P/V San Francisco on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 P/V San Francisco and switch it all on
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About P/V San Francisco
What kind of vessel is P/V San Francisco?
P/V San Francisco is a Industrial Vessel flagged to United States of America.
Where was P/V San Francisco last seen?
P/V San Francisco was last reported in San Francisco Bay on public AIS.
What is P/V San Francisco's MMSI?
P/V San Francisco's MMSI is 366798310. Call sign WDA3425. IMO 9245469.
How big is P/V San Francisco?
P/V San Francisco is about 29.4 m long, 8.6 m on the beam, drawing 4 m.
Is P/V San Francisco on the Master's Mate Safety Initiative Network?
Not yet. If P/V San Francisco is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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