Originally Posted By: Hpasp
High flying targets (T/T)
Epsilon > 00-30

Low flying targets (Gorka, Fi)
Epsilon <= 00-30

Fi -> against helicopters
Gorka -> all other low targets

Jamming targets (N)
N -> no range information


N method also belongs to Low flying targets .

All the above methods are refered on how the computer see the target in the elevation plane.

Also there is the Aid tracking mode (semiautomatic mode) which can be used in Fi method and in N method .