MMSI 368322220 · Call sign WDN8935
Not yet on Master's MateApex is a leisure boat wearing American colours, measuring 16 metres. She's built with a beam of 8.3 m and a 2.4 m draft. On AIS she appears as MMSI 368322220, call sign WDN8935. Join Apex to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put Apex on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.