MMSI 244572000 · Call sign PC5428
Not yet on Master's MateHA4 TINA, a Dutch working fishing vessel, measures 23 metres on deck. She has a beam of 5 m and a draft measuring 1.3 metres. On AIS she shows as MMSI 244572000, call sign PC5428. HA4 TINA belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put HA4 TINA on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.