MMSI 367038830 · Call sign WDN4704
Not yet on Master's MateViolet Hour is an American 12.8-metre family boat. Violet Hour has 4.2 metres in the beam and a 2.7-metre draft. On the registers she's MMSI 367038830, call sign WDN4704. Violet Hour is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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 Violet Hour on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.