According to the media , the AIDC IDF trainer concept apparently involved the removal of the fire control radar and combat systems with the retention of rear - seat flight controls .
The AIDC IDF could be used as a lead - in fighter trainer .
According to the media , the AIDC IDF trainer concept apparently involved the removal of the fire control radar and combat systems with the retention of rear - seat flight controls , so that the IDF could be used as a lead - in fighter trainer .