The Christavia Mk I is a Canadian two-seats in tandem homebuilt aircraft designed by Ron Mason.

Designed for missionary flying in Africa, the aircraft's name means "Christ-in-Aviation".

[1] The Christavia is a single engine, high wing, conventional landing gear-equipped aircraft.

The acceptable power range is 65 to 100 hp (48 to 75 kW) and the standard powerplant used is the 65 hp (48 kW) Continental A65 four stroke four cylinder horizontally opposed piston aircraft engine.

[1] In January 2016 forty-two examples of the Christavia series of aircraft were registered with Transport Canada and sixty-one in the United States with the FAA.