That looks good plan. But ummmmm is there somewhere a Gnat mod for SF2? I got a book which tells all planes that Finnish airforce ever had. So here is some more info:
De Havilland D.H 100 Vampire Mk.52, 6 planes 1954-1965
De Havilland D.H.115 Vampire trainer Mk.55, 9 planes 1955-1965
Folland Gnat Mk.1, 13 planes 1958-1972
Fouga CM 170 Magister, 80 planes 1958-1988
IL-28, 4 planes 1960-1981
Douglas DC-3/ C-47/ C-53, 9 planes 1960-1984
MiG-15UTI, 4 planes 1962-1977
MiG-21F-13, 22 planes 1963-1986 FAF was able to operate this aircraft type technically independent only 1968-, without russian engineers
MiG.21U and UM 2 planes 1965-1981
Saab 35 Draken 48 planes 1972-2000
MiG-21Bis 26 planes 1978-1998
Here is list of the main planes of that time