The River Queen is a river ship. No mention is made of the names of the captain or any of the crew.
The River Queen traveled the Erinin River from Tar Valon to Medo and back. The Queen carried the Amyrlin Siuan Sanche and her party to Medo, where they then traveled to Fal Dara in Shienar. After meeting with Rand al'Thor, the Amyrlin's party returned to Medo and sailed back to Tar Valon with Egwene al'Vere and Nynaeve al'Meara.