MMSI 244393997 · Call sign PH8598
Not yet on Master's MateBONA SPES 4, a Dutch work boat, measures 17 metres on deck. Her hull carries a beam of 5 m and a draft measuring 1 metres. She's on record as MMSI 244393997, call sign PH8598. BONA SPES 4 is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
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 BONA SPES 4 on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.