MMSI 367001520 · Call sign WYR4227
Not yet on Master's MateOn the American registry, ARLENE is a 17.6-metre service vessel. ARLENE has a 7.2 m beam and a 2.5 m draft. Officially she's MMSI 367001520, call sign WYR4227. ARLENE earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
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 ARLENE on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.