Squadron History

No. 4 (Operations) Squadron
Royal Canadian Air Force
RCAF Dartmouth May 1925 - 1927

Formed at Dartmouth, Nova Scotia on 1 April 1925, the squadron was employed on civil government air operations. It flew Curtiss HS-2L and Vickers Varuna aircraft on customs preventative patrols on the East Coast until transferred to the non-military Directorate of Civil Air Operations on 1 July 1927; its service designation then lapsed.