MMSI 366971870 · Call sign WDB9219
Not yet on Master's MateOn the American registry, Bill Elmer is a 54.9-metre utility boat. She's built with a 15.8-metre beam and a 3.4-metre draft. Find her under MMSI 366971870, call sign WDB9219. Put Bill Elmer on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put Bill Elmer on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.