MMSI 367016480 · Call sign WDC3929
Not yet on Master's MateOn the American registry, THELMA PARKER II is a 39.9-metre workboat. She's built with a beam measuring 10.7 metres and a 2.7 m draft. Officially she's MMSI 367016480, call sign WDC3929. THELMA PARKER II 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 THELMA PARKER II on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.