| gptkbp:instanceOf | gptkb:aircraft gptkb:bomber
 
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                                | gptkbp:armament | 13 × .50 in machine guns 
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                                | gptkbp:bombLoad | up to 8,000 lb 
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                                | gptkbp:category | four-engined heavy bomber 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
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                                | gptkbp:crew | 10 
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                                | gptkbp:displayedAt | gptkb:National_Museum_of_the_United_States_Air_Force gptkb:Museum_of_Flight,_Seattle
 gptkb:Imperial_War_Museum_Duxford
 gptkb:Smithsonian_National_Air_and_Space_Museum
 
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                                | gptkbp:engineType | Wright R-1820 Cyclone radial engines 
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                                | gptkbp:firstFlight | July 28, 1935 
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                                | gptkbp:height | 5.82 m 
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                                | gptkbp:introduced | 1938 
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                                | gptkbp:length | 22.66 m 
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                                | gptkbp:manufacturer | gptkb:Boeing 
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                                | gptkbp:maximumSpeed | 287 mph 
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                                | gptkbp:nickname | gptkb:Flying_Fortress 
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                                | gptkbp:notableMission | gptkb:Memphis_Belle gptkb:Schweinfurt–Regensburg_mission
 
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                                | gptkbp:notableVariant | gptkb:B-17F gptkb:B-17G
 B-17E
 
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                                | gptkbp:numberBuilt | 12,731 
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                                | gptkbp:numberOfEngines | 4 
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                                | gptkbp:predecessor | gptkb:Boeing_Model_299 
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                                | gptkbp:primaryUser | gptkb:United_States_Army_Air_Forces 
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                                | gptkbp:range | 2,000 miles 
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                                | gptkbp:retired | 1968 
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                                | gptkbp:role | gptkb:bomber 
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                                | gptkbp:serviceCeiling | 35,600 ft 
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                                | gptkbp:successor | gptkb:aircraft 
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                                | gptkbp:survived | less than 50 airframes 
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                                | gptkbp:usedBy | gptkb:Royal_Air_Force gptkb:United_States_Coast_Guard
 gptkb:United_States_Navy
 gptkb:Brazilian_Air_Force
 gptkb:Free_French_Air_Force
 gptkb:Republic_of_China_Air_Force
 gptkb:Soviet_Air_Force
 
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                                | gptkbp:usedFor | search and rescue reconnaissance
 firefighting (postwar conversion)
 
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                                | gptkbp:usedInConflict | gptkb:World_War_II 
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                                | gptkbp:wingspan | 31.62 m 
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                                | gptkbp:bfsParent | gptkb:Evacuation_of_General_Douglas_MacArthur_from_the_Philippines 
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                                | gptkbp:bfsLayer | 7 
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                                | https://www.w3.org/2000/01/rdf-schema#label | B-17 bomber 
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