IMG_3653.CR2: 30D, EF 400mm 1:5.6L @ 1/6400, f/5.6, 400 ISO

IMG_3653.CR2: 30D, EF 400mm 1:5.6L @ 1/6400, f/5.6, 400 ISO

One of the two Sikorsky S‑76 helicopter air ambulances stationed in Ottawa.