MMSI 368363150 · Call sign WDP5405
Not yet on Master's MateSERGEANT is an American tugboat, measuring 15 metres. She carries a 13-metre beam and a 2.5 m draft. She's listed under MMSI 368363150, call sign WDP5405. SERGEANT belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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 SERGEANT on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.