MMSI 211510910 · Call sign DA7440
Not yet on Master's MateBUNKER SERVICE 4, a tanker under the German flag, measures 39 metres on deck. Her hull carries 7 metres in the beam. She broadcasts as MMSI 211510910, call sign DA7440. Add BUNKER SERVICE 4 to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
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 BUNKER SERVICE 4 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.