Tanker · Portugal · last seen 52°N 4°E · Jun 2026 · MMSI 255917301 · Call sign CQ2930
Not yet on Master's MateA Portuguese tanker, RS ONZA measures 104 metres. She carries a 19-metre beam and a 6.2 m draft. On AIS she appears as MMSI 255917301, call sign CQ2930, IMO 1015674. It's free to add RS ONZA to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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
Joining the Safety Initiative Network doesn't just put RS ONZA on the map. It hands you the full bridge:
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