| gptkbp:instanceOf | gptkb:aircraft 
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                                | gptkbp:aircraftType | gptkb:aircraft 
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                                | gptkbp:armament | gptkb:AIM-120_AMRAAM gptkb:AIM-9_Sidewinder
 internal weapons bay
 
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                                | gptkbp:competitor | gptkb:Lockheed_YF-22 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
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                                | gptkbp:crew | 1 
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                                | gptkbp:displayedAt | gptkb:National_Museum_of_the_United_States_Air_Force gptkb:Western_Museum_of_Flight
 
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                                | gptkbp:engine | gptkb:General_Electric_YF120 gptkb:Pratt_&_Whitney_YF119
 
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                                | gptkbp:engineType | turbofan 
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                                | gptkbp:firstFlight | gptkb:Edwards_Air_Force_Base 1990-08-27
 
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                                | gptkbp:firstPrototypeSerialNumber | 87-0800 
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                                | gptkbp:height | 4.2 m 
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                                | gptkbp:introducedIn | 1990 
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                                | gptkbp:length | 20.6 m 
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                                | gptkbp:manufacturer | gptkb:Northrop gptkb:McDonnell_Douglas
 
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                                | gptkbp:maximumSpeed | Mach 2.2 
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                                | gptkbp:maxTakeoffWeight | 29,484 kg 
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                                | gptkbp:nickname | gptkb:Black_Widow_II gptkb:Gray_Ghost
 
 | 
                        
                            
                                | gptkbp:notableFeature | stealth technology supercruise capability
 diamond-shaped wing
 
 | 
                        
                            
                                | gptkbp:numberBuilt | 2 
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                                | gptkbp:primaryUser | gptkb:United_States_Air_Force 
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                                | gptkbp:program | gptkb:Advanced_Tactical_Fighter 
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                                | gptkbp:projectOutcome | not selected for production 
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                                | gptkbp:purpose | gptkb:Advanced_Tactical_Fighter_competition 
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                                | gptkbp:retired | 1991 
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                                | gptkbp:role | stealth fighter 
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                                | gptkbp:secondPrototypeSerialNumber | 87-0801 
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                                | gptkbp:status | gptkb:prototype 
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                                | gptkbp:successor | F-22 Raptor 
 | 
                        
                            
                                | gptkbp:tailConfiguration | V-tail 
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                                | gptkbp:testPiloted | gptkb:Jim_Sandberg gptkb:Paul_Metz
 
 | 
                        
                            
                                | gptkbp:wingspan | 13.3 m 
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                                | gptkbp:bfsParent | gptkb:Western_Museum_of_Flight 
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                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Northrop YF-23 
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