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first officer

American  
first officer British  

noun

  1. another name for first mate

  2. the member of an aircraft crew who is second in command to the captain

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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At that point, Jameson comes past Marseille out the door away from the first officer, who tells her to “put him in.”

From Los Angeles Times Jun. 20, 2026

On the flight deck were Captain Sumeet Sabharwal, a pilot with decades of experience, and his younger colleague, first officer Clive Kunder.

From BBC Jun. 10, 2026

The captain and his first officer were taken into police custody in early October before returning to sea.

From Barron's Feb. 23, 2026

The animation showed what Sam Lilley, the first officer of American Airlines Flight 5342, likely saw, the National Transportation Safety Board believes.

From The Wall Street Journal Feb. 14, 2026

The first officer must have thought long and hard before making that comment.

From "Outliers" by Malcolm Gladwell

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