Once the Wolseley Viper-powered model became plentiful many more units re-equipped, until by the end of the war the type was employed by 21 British Empire squadrons as well as two U.S. units.
Once the Wolseley Viper-powered model became plentiful, many more units were re-equipped with the type. By the end of the war, the S.E.5a was employed by a total of 21 British Empire squadrons as well as two U.S. units.