MMSI 367045380 · Call sign WDC5713
Not yet on Master's MateHeidi Sue, a fishing craft listed on the the United States registry, measures 18.2 metres on deck. Below, she has a 7.9 m beam and a draft measuring 2.5 metres. She broadcasts as MMSI 367045380, call sign WDC5713. Working boats like Heidi Sue spend long hours offshore — the free Master's Mate Safety Initiative Network puts a distress mesh and a watching fleet within reach.
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 Heidi Sue on the map. It hands you the full bridge:
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