No call had come in; the boat had been spotted by the first mate.
Economist(Oct 20, 2016)
There was a merchant ship, and a first mate in love with the captain’s daughter.
Khaled Hosseini, A Thousand Splendid Suns(2007)
Catrell, the first mate, motioned for me to follow him.
Washington Post(Oct 27, 2016)