The aircraft has been manufactured in three major standards; seven Development Aircraft (DA), seven production standard Instrumented Production Aircraft (IPA) for further system development and a continuing number of Series Production Aircraft.
Pesawat diproduksi dalam tiga standar utama , Tujuh Development Aircraft (DA), Tujuh produksi standart Instrumented Production Aircraft (IPA) untuk pengembangan lebih lanjut dan Seri Pesawat Produksi.