MMSI 367042380 · Call sign WDC5521
Not yet on Master's MateMiss Alyssa is an American 13.1-metre ferry vessel. She has a 4.3 m beam and a draft of 2.1 m. On AIS she shows as MMSI 367042380, call sign WDC5521. Sign Miss Alyssa up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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 Miss Alyssa on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.