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.
Tug
TIOGA
MMSI 368431330 · Call sign WDQ5057
Not yet on Master's MateType
Tug
Flag
USALength
30 m
Beam
12 m
Draft
4.2 m
Call sign
WDQ5057
IMO
9122734
Official No.
1021169
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
TIOGA is a harbour tug sailing under the American flag, 30 metres long. She has a 12-metre beam and a draft of 4.2 m. On the registers she's MMSI 368431330, call sign WDQ5057, IMO 9122734. Bring TIOGA aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like TIOGA.
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 11:36 UTC
Position
32.6961° N, 117.1520° W
Status
Under way (engine)
Speed
0.0 kn
Course
302°
Destination
SAN DIEGO
ETA
09-16 01:00 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.
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Joining the Safety Initiative Network doesn't just put TIOGA 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 TIOGA and switch it all on
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About TIOGA
What kind of vessel is TIOGA?
TIOGA is a Tug flagged to United States of America.
Where was TIOGA last seen?
TIOGA was last reported in off Southern California in Jun 2026 on public AIS.
What is TIOGA's MMSI?
TIOGA's MMSI is 368431330. Call sign WDQ5057. IMO 9122734.
How big is TIOGA?
TIOGA is about 30 m long, 12 m on the beam, drawing 4.2 m.
Is TIOGA on the Master's Mate Safety Initiative Network?
Not yet. If TIOGA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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