N6540C De Havilland Canada DHC-1 Chipmunk 22 Private Arlington Municipal (AWO / KAWO), USA - Washington Dave Welch - 07/2002
N6540C De Havilland Canada DHC-1 Chipmunk 22 Private Arlington Municipal (AWO / KAWO), USA - Washington Ian M Macdonald - 07/2001
N6540C De Havilland Canada DHC-1 Chipmunk 22 Private Whidbey Island NAS (NUW / KNUW), USA - Washington Ian M Macdonald - 08/2002