U.S. Official No. 1097688
Not yet on Master's MateFLAT OUT is a passenger vessel flying the flag of the United States, 9.8 metres in length. FLAT OUT has 3.8 metres in the beam and a 2 m draft. Look for U.S. official number 1097688. Join FLAT OUT to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put FLAT OUT on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.