MMSI 636019973 · Call sign D5XB2
Not yet on Master's MateKATJA OLDENDORFF, a merchant vessel under Liberian registration, measures 229 metres on deck. She carries a 32 m beam and a 12 m draft. On AIS she shows as MMSI 636019973, call sign D5XB2, IMO 9867554. KATJA OLDENDORFF can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
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 KATJA OLDENDORFF on the map. It hands you the full bridge:
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