The Zenair Tri-Z CH 300 is a three-seat Canadian homebuilt light aircraft.

A single-engined low-winged monoplane, the CH 300 first flew in 1977, with several hundred kits sold.

[1] Like the CH 200, it is a low-winged monoplane of all-metal construction with a fixed nosewheel undercarriage, but is larger and more powerful, and is fitted with a rear bench seat capable of accommodating a third adult or two children, and is fitted with a forward sliding canopy.

[2] One CH 300, modified with extra fuel tanks and piloted by Robin "Red" Morris, made a non-stop trans-Canada flight between Vancouver International Airport and Halifax International Airport on 1–2 July 1978, covering the 2,759 mile (4,440 km) in 22 hours, 44 mins, setting three FAI Class C-1c point-to-point speed records.

[5][6] Data from Jane's All The World's Aircraft 1982-83[2]General characteristics Performance