How to say “Who's steering while the captain talks to the pilot?” in Japanese

In Japanese

船長(せんちょう)が水先人(みずさきにん)と話(はな)してる間(あいだ)、誰(だれ)が舵(かじ)を取(と)ってるの？

Senchō ga mizusakinin to hanashiteru aida, dare ga kaji o totteru no?