MMSI 525011054 · Call sign SSD
Not yet on Master's MatePATRA TUNDA 4201 flies the Indonesian flag — a tug. Below, she has a draft measuring 4 metres. She broadcasts as MMSI 525011054, call sign SSD, IMO 9160140. There's a place for PATRA TUNDA 4201 on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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
Joining the Safety Initiative Network doesn't just put PATRA TUNDA 4201 on the map. It hands you the full bridge:
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