Northrop Aircraft aircraft modelsChoose a model to review its registered fleet, specifications, and aircraft currently offered for sale.F-5A — 3 registeredF-5B — 4 registeredF-89J — 1 registeredT-38A — 31 registeredC-125 — 12 registeredF-5E — 29 registeredT-38B — 1 registeredNF-5B — 1 registeredAT-38B — 1 registeredDelta 1D — 1 registered