MMSI 366742340 · Call sign WCX8956
Not yet on Master's MateSHIRLEY M is an American working fishing vessel, 13.7 metres on deck. Her hull carries a 4.6 m beam and a draft measuring 1.5 metres. On AIS she appears as MMSI 366742340, call sign WCX8956. Sign SHIRLEY M up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put SHIRLEY M on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.