MMSI 366677510 · Call sign WCR6893
Not yet on Master's MateSPARE TIME flies the American flag — a craft. Look for MMSI 366677510, call sign WCR6893. There's a place for SPARE TIME on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put SPARE TIME on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.