sentences:  In most respects, the Lancer's flight performance is equal or slightly inferior to that of the popular Cessna 150, an airplane that uses a single O-200 engine rather than two.Some flight schools initially viewed the Lancer's marginal single-engine performance favorably, as students trained in a Lancer found other twin-engine types comparatively easy to fly.However, sales were very limited; production began in 1963 and ended later in the same year with only 25 to 36 aircraft built.