Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Ihe ndị bụ isi nke ụgbọ elu ahụ sitere na mbido 1965, site na Northrop n'ime ụlọ N-300. N-300 n'onwe ya sitere na F-5E, ma nwee fuselage toro ogologo, obere mgbatị mgbọrọgwụ na-eduga (LERX), na turbojets GE15-J1A1 dị ike karị, nke ruru 9,000 lbf (40 kN) nke ọ bụla. A na-ebuli nku ahụ elu iji mee ka ogbunigwe ahụ dịkwuo mma. The N-300 n'ihu ghọrọ ndị P-530 Cobra, nke na-eji 13,000 lbf (58 kN) GE15-J1A5 engines, na a nnọọ obere.25 bypass ruru na-eduga na utu aha "leaky turbojet". The bypass n'ụzọ dị irè bụ naanị a jụrụ iyi maka n'azụ nke engine, ikwe engine bay na-wuru nke fechaa, dị ọnụ ala karịa ihe. The P-530 si nku planform na imi ngalaba yiri F-5, na a trapezoidal udi kpụrụ site a kpochapụwo nke 20 ° na quarter-ụda akara, na ihe unswept trailing onu, ma bụ ihe karịrị okpukpu abụọ ebe, na 400 sq ft (37 m2) ka megide 186 sq ft (17.3 m2) nke F-5E. N'oge mbụ, a na-etinye ha n'ubu, ma jiri nwayọọ nwayọọ na-ewepụ ha n'etiti. Ihe ọhụrụ kachasị dị iche bụ LERXs nke na-abanye n'ime fuselage n'okpuru ebe a na-akwọ ụgbọelu. Ha na-eme ka ị na-agagharị n'akụkụ nke mwakpo karịrị 50 °, site n'inye ihe dị ka 50% ọzọ. Mgbatị ndị ahụ na-ejidekwa ikuku n'okpuru ha n'ebe dị elu nke mwakpo, na-eme ka ikuku na-abanye n'ime engines. Ihe yiri isi agwọ na-eduga n'ịnakwere aha otutu "Cobra", nke a na-ejikarị eme ihe maka YF-17.  Ajụjụ: Olee otú ụgbọelu si malite?
Northrop oru ngo N-300