MMSI 538072312 · Call sign V7A6987
Not yet on Master's MateTENACIOUS is a Marshall Islands 40-metre private vessel. She has 9 metres in the beam and a draft measuring 25 metres. On AIS she shows as MMSI 538072312, call sign V7A6987. There's a place for TENACIOUS on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put TENACIOUS on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.