| gptkbp:instanceOf | gptkb:aircraft 
 | 
                        
                            
                                | gptkbp:basedOn | gptkb:Boeing_747-200 
 | 
                        
                            
                                | gptkbp:callsign | gptkb:Air_Force_One_(when_President_is_aboard) 
 | 
                        
                            
                                | gptkbp:countryOfOrigin | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:crew | up to 112 
 | 
                        
                            
                                | gptkbp:firstFlight | June 1973 
 | 
                        
                            
                                | gptkbp:height | 63 ft 5 in (19.33 m) 
 | 
                        
                            
                                | gptkbp:introduced | 1974 
 | 
                        
                            
                                | gptkbp:length | 231 ft 4 in (70.66 m) 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Boeing 
 | 
                        
                            
                                | gptkbp:maximumSpeed | 602 mph (969 km/h) 
 | 
                        
                            
                                | gptkbp:maxTakeoffWeight | 800,000 lb (362,874 kg) 
 | 
                        
                            
                                | gptkbp:nickname | gptkb:Nightwatch 
 | 
                        
                            
                                | gptkbp:numberBuilt | 4 
 | 
                        
                            
                                | gptkbp:operatedBy | gptkb:United_States_Air_Force 
 | 
                        
                            
                                | gptkbp:powerplant | 4 × General Electric CF6-50E2 turbofan engines 
 | 
                        
                            
                                | gptkbp:primaryUser | gptkb:United_States_Fleet_Forces_Command 
 | 
                        
                            
                                | gptkbp:range | 7,820 mi (12,590 km) 
 | 
                        
                            
                                | gptkbp:role | gptkb:airborne_command_post 
 | 
                        
                            
                                | gptkbp:serviceCeiling | 45,000 ft (13,716 m) 
 | 
                        
                            
                                | gptkbp:status | in service 
 | 
                        
                            
                                | gptkbp:successor | Survivable Airborne Operations Center (planned) 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:continuity_of_government National Emergency Airborne Command Post
 nuclear war command and control
 
 | 
                        
                            
                                | gptkbp:wingspan | 195 ft 8 in (59.74 m) 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:NATO_aircraft 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Boeing E-4B 
 |