The aircraft's avionics were more sophisticated, crucially including a radar (initially the Emerson Electric AN/APQ-153) (the F-5A and B had no radar).
Avionika zrakoplova bila je sofisticiranija u odnosu na prethodnika te je uključivala i radar (u početku Emerson Electric AN/APQ-153) kojeg F-5A i B nisu imali.