Although Wikipedia isn't exactly the most scientific and reliable source in the world, it's sufficient for most "everyday" purposes, and in the article about CT-114 Tutor it states that these aircraft were 9.75m (or 32ft) long, while Yours is around 14m (or about 46ft) long, meaning it's horribly mis-scaled.
(
https://en.wikipedia.org/wiki/Canadair_CT-114_Tutor )
Additionaly, I'd say that the way You drawn the engine intakes makes them look just like some flat panel lines on the fuselage instead of something geometrically extending (and having shape worth shading) from the fuselage.