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Tug
S_ANNA
MMSI 525016149 · Call sign YBTA
Not yet on Master's MateType
Tug
Flag
IDNLength
28 m
Beam
8 m
Draft
4.2 m
Call sign
YBTA
IMO
8732415
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
S_ANNA is a harbour tug under the Indonesian flag, 28 metres LOA. Her hull carries a beam of 8 m and a draft of 4.2 m. She's on record as MMSI 525016149, call sign YBTA, IMO 8732415. Join S_ANNA to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Built for boats that work — like S_ANNA.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 9, 2026 14:35 UTC
Position
1.9541° S, 105.1277° E
Status
Under way (engine)
Speed
0.0 kn
Course
265°
Destination
MUNTOK
ETA
07-14 09:00 UTC
Wherever S_ANNA roams, 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 S_ANNA 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.
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About S_ANNA
What kind of vessel is S_ANNA?
S_ANNA is a Tug flagged to Indonesia.
Where was S_ANNA last seen?
S_ANNA was last reported in around 2°S 105°E in Jun 2026 on public AIS.
What is S_ANNA's MMSI?
S_ANNA's MMSI is 525016149. Call sign YBTA. IMO 8732415.
How big is S_ANNA?
S_ANNA is about 28 m long, 8 m on the beam, drawing 4.2 m.
Is S_ANNA on the Master's Mate Safety Initiative Network?
Not yet. If S_ANNA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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