MMSI 368436210 · Call sign WDQ5613
Not yet on Master's MateOn the American registry, HARMLESS ERROR is an 8-metre pleasure craft. She's built with a 2.6 m beam and a 1.6 m draft. Find her under MMSI 368436210, call sign WDQ5613. Put HARMLESS ERROR on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
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 HARMLESS ERROR on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.