Part may pertain-to an aircraft.Logical formLearned from39 sentences. An aircraft may be sold.Logical formLearned from39 sentences. A piece may pertain-to an aircraft.Logical formLearned from38 sentences. An aircraft may be produced.Logical formLearned from38 sentences. A display can be constituted-of-or-filled-with aircraft.Logical formLearned from38 sentences. Some aircrafts can be in a fleet.Logical formLearned from38 sentences. Aircrafts can be winged.Logical formLearned from38 sentences. An aircraft can be supersonic.Logical formLearned from38 sentences. Aircrafts may be equipped with (surveillance systems).Logical formLearned from38 sentences. An aircraft may undergo (operating costs).Logical formLearned from38 sentences. Aircrafts can be forty-three.Logical formLearned from38 sentences. Airlines may replace an aircraft by models.Logical formLearned from38 sentences. Aircraft may undergo a generation.Logical formLearned from38 sentences. A value may pertain-to an aircraft.Logical formLearned from38 sentences. A civilian aircraft may undergo a downing.Logical formLearned from38 sentences.