MMSI 366724000 · Call sign WDH4310
Not yet on Master's MateMICHAEL CROMBIE MCCALL flies the American flag — a 33.9-metre utility vessel. She's built with a 7.3 m beam and a 3.3-metre draft. On AIS she shows as MMSI 366724000, call sign WDH4310, IMO 9670690. Working vessels like MICHAEL CROMBIE MCCALL are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
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 MICHAEL CROMBIE MCCALL on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.