The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Passenger (Inspected)
NEW THUNDERBIRD
U.S. Official No. 644048
Not yet on Master's Mate
Type
Passenger (Inspected)
Flag
USA
Length
18.3 m
Beam
5.8 m
Draft
2.4 m
First reported
Jun 2026
AIS reports
1
NEW THUNDERBIRD, a passenger boat registered in the United States, measures 18.3 metres on deck. She's built with a 5.8 m beam and a 2.4 m draft. Her registration reads U.S. official number 644048. NEW THUNDERBIRD can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard NEW THUNDERBIRD safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.