He has been nominated for an Emmy Award five times for his work on Star Trek, winning in 2001 for his score for the Star Trek: Voyager series finale, "Endgame" . In addition, he won (or shared) eight ASCAP Awards for his music, all in the Top TV Series category. His name appeared on a crew manifest in the Voyager episode "Projections" . Some of Chattaway's TNG and DS9 scores were released as part of the Star Trek: The Next Generation Collection, Volume One and the Star Trek: Deep Space Nine Collection.