MMSI 601366500 · Call sign ZS 2525
Not yet on Master's MateUSIBA, a South African service vessel, measures 31 metres on deck. She's built with a 11-metre beam and a 6.2 m draft. She's on record as MMSI 601366500, call sign ZS 2525. Sign USIBA up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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 USIBA on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.