Alexrey
What you are looking at is:-
Initial Officer Training
Basic Flying Training
Advanced Flying Training
Operational Conversion Unit
These will take at least three years possibly four
Then there are Survival Courses
Escape and Evasion Courses
Then you have to accept that there are other duties that take up your attention which have nothing to do with flying but are concerned with the Welfare of the Personnel who help to keep the aircraft and the Station Operational