MMSI 477847300 · Call sign SSD
Not yet on Master's MateWHAMPOA is a Hong Kong working tug — 30 metres overall. She carries 12 metres in the beam and a 5.7-metre draft. Find her under MMSI 477847300, call sign SSD, IMO 9600516. WHAMPOA 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 WHAMPOA on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.