List of World War I aces credited with 5 victories

The American qualification of five victories eventually became the standard, even though other air services had previously used differing figures.

[1] While "ace" status was most often won by fighter pilots, bomber and reconnaissance crews, and observers in two-seater aircraft such as the Bristol F.2b ("Bristol Fighter"), also destroyed enemy aircraft.

[2] The few aces among combat aviators have historically accounted for the majority of air-to-air victories in military history.

[3] Loss of records by mischance and the passage of time complicates reconstructing the actual count for given aces.

[4] Aces are listed after verifying the date and location of combat, and the foe vanquished, for every victory accredited by an aviator's home air service using their own aerial victory standards.